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Car audio installation dimensions and mounting techniques
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pro audio – China Manufacturer
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The vast majority of cars on the stereo installed in the dashboard or the location of the sub-dashboard, while the narrow space within the dashboard, the volume of car audio console is bound to be limited on a common mounting holes standard size, called the DIN (German Industrial Standard) size. The standard DIN size 178 mm × 50 mm × 153 mm (length × width × depth). Some more advanced car audio console with multi-disc CD audio system, mounting hole size of 178 mm × 100 mm × 153 mm, also known as 2 times the DIN size, more common in the Japanese machine. Individual brands of car audio console is a non-standard size, can only specify to install certain types of car audio. Therefore, the purchase of car audio, must pay attention to the audio host size and the instrument panel mounting hole size whether adaptation.
Car audio installation in addition to the instrument panel mounting hole size, more importantly, the entire sound system installation, especially the speakers and mechanical installation techniques. Because the pros and cons of the sound of a car, not only with the sound quality of relations, also has a direct relationship with the sound installation techniques.
How to match the car stereo amplifier and speakers
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car component speaker – China Manufacturer
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car audio between various devices need to be chosen to match in order to get the best results.
In car audio power amplifier and speakers, for example, the two only do impedance matching and power matching, match the operating frequency in order to ensure the safe operation of equipment and to fully exploit the maximum potential.
Impedance matching
Aside the boring theoretical knowledge, the simplest explanation is that the power amplifier can withstand a certain range of the impedance of the speaker. Only connected to the amplifier on the speaker impedance in this range, the power amplifier can be safe and to provide the best power output!
Can withstand different types of power amplifier impedance is different. For example: Alpine MRV series amplifier rated impedance of 4 ohms (4 ohms per channel) of MRD series amplifier rated impedance is 2 ohms.
Power matching
Conducting power matching, we must first figure out is usually a nominal power of the two indicators: the maximum power and continuous power (RMS).
There are many brands of power amplifiers and speakers get used to the maximum power to judge the equipment the pros and cons. In fact, this is very scientific method of evaluation. The nominal maximum power without considering the distortion of the case, the device is in a very short time (usually only a few milliseconds), physical damage or electrical damage when the power value.
Continuous output power (RMS) in the case of non-distortion, can be sustained stable power. This is the only value in order to truly reflect the work status of the equipment.
Usually a lot of people may lead to the speaker coil burned the main factors caused by the power amplifier speaker large. Therefore, equipment with customary speaker power amplifier. This is a very common misunderstanding!
In fact, the amplifier\\ s continuous output power value is less than the continuous output power of the speaker was most likely to lead to the destruction of the speaker. Because of continuous output power of 200W if the amplifier\\ s continuous output power of 100W speakers. When the system is connected, adjust the volume knob, the output power of about 100W power amplifier has been in the state of full load operation. While the speaker, there are a lot of headroom, once the user continue to raise the volume when output power exceeds the power amplifier\\ s continuous output power value, which is the distortion of the moment began to This distortion is called \"clipping\", known as the \"speaker killer\" in the professional audio industry. This distortion of the signal, even if the power is very small electrical signals that can produce similar DC, easily be able to burn the speaker coil! For a continuous output power of 200W speakers, 150W signal distortion rate of 50 percent of the more frightening than the 300W signal without distortion.
\"Cushion\" in the field of professional audio, keep the power amplifier is an important factor in the system with. Practices to ensure continuous output power of the bass power amplifier to the speaker for more than 2 times the output power! In car audio, car electricity is extremely limited, every 1W of power are valuable, so to ensure the continuous output power of the power amplifier\\ s continuous output power is slightly greater than the speaker is the best option. Do not let the continuous power a small amp continuous output power to drive speakers. Doing so as a last resort to control the volume to prevent clipping distortion appears!
Frequency matching
The power amplifier is usually divided into full-band amplifier and bass dedicated amp. Dedicated bass amplifier in the signal frequency is below 250Hz for assurance distortion is less than 1%. Frequencies exceeding 250Hz, distortion sharply higher output power suddenly reduced. So do not try to promote the midrange and tweeter using a dedicated bass amplifier.
Full-band power amplifier is usually a class AB amplifier design, the power loss is relatively large. So to filter out low frequency signals, and promote high-frequency speaker will be the best choice to save power, ensure the sound quality.
Once you master the above equipment with the principles, basically to ensure that the speakers and power amplifier for security reasons and can restore the voice of pure distortion.
transparent delicate and full of elasticity DB S6A-6C speaker evaluation set
The field of car audio SQ and SPL have been the difference between two styles, after years of car culture influenced not only the
two styles did not really integrated, but tend to split, each owner had modified the car stereo was no exception after labeled for SQ
or is listening to SPL, the general budget of the system is not high in order to fight the perfect balance between SQ and SPL, the
effect most of them are neither fish nor fowl, of course, cost a lot to build the temple level modified car is no longer in this column,
for the ordinary car owners, SQ and SPL really become the owner of a dilemma a tangle?
SQ or SPL, the dilemma does not have to tangle
Create the root of this dilemma is sound brand style differences, we often have so-called American style, European style and Japanese
style of the points, because Japanese has always been focusing on functionality and circuit integration, style preference is not obvious,
but the U.S. Department of the brand in Europe different-brand differences in style, creating the field of car audio SQ and SPL of the
other.
European audio brand focus naturally restore the sound, sound equipment, pure and strong performance, analytical ability, sound fine,
rich colors, giving intimacy, like Tanner, fresh waves of these brands has been sought after by the majority of car audio enthusiasts, so
, European brand topped the SQ mark. The American brand is focusing on power reserves, transient response replay feature is a
good, strong pace that is suitable for playback of music, its power, dynamic, acoustic-electric conversion rate, and ability to follow
sound state, transient Well, like these old JBL is its behalf, the United States have been labeled as SPL brand mark.
Many owners have been in the pursuit of their perfect sound system to restore the sound quality both have dynamic effects of shock,
but the limit between the brand style, their own into a dilemma. In fact, a system should take into account the SQ and SPL is not
difficult, although many brands of equipment is only good at one aspect, but as long as they listen carefully to identify, can be difficult
to find a good balance between the two devices, such as the new U.S. DB out of S6A-6C 6.5-inch component speaker, is a reduction
that is good quality but also a burst of vigorous dynamic speaker.
Strive to sound transparent and delicate
U.S. audio brand of equipment in large and dynamic performance control with extraordinary performance on both the U.S. DB is no
exception. DB s subwoofer is either K1 or the K5 series family, the owners of certain of its majestic listening to the dynamic memories,
DB S-Series component speaker in the performance of this style is also very prominent bass sound unit strong and powerful, transient
reflecting excellent sound with flexibility and tension, is very suitable for listening to rock music, jazz class equipment.
The audition S6A-6C 6.5-inch package that is a new S series, this speaker according to the official introduction is in order to balance
quality and the development of dynamic and specifically, to my usual habit of listening to music, the sound is too arguing stand, bass is
too strong a stand, especially the kind of people to climb in your ears and singing, roaring sound of the bass in the chest exploding
effect, could not hold it five minutes running for the door, personal feeling fine, transparent, natural sound to make people listen to
the desire.
And S5-6C package, the new release of S6A-6C tweeter change is relatively large, S5 treble using aluminum dome tweeter, treble
bright and resilient performance, the performance of jazz rock music in a very prominent; and S6A-6C is used silk dome tweeter, the
pursuit of natural facial effects, classical music and people trying to sound a breakthrough performance, such a high-pitched soft and
hard material change evident S6A- 6C a breakthrough in performance style.
S6A-6C woofer cone and S5 series, or the use of the natural, delicate cone, spray coating TSD moisture, natural sound, the sound
output is very average, to restore the true, with the new silk dome tweeter, the entire package restore the sound more consistent
style. Set of speakers to create a sound field becomes very transparent in the audition room to listen, the sound field is very open,
transparent, natural sound, people will not have nests in a small house the feeling of listening to music, listening for a long time does
not make ears feel tired. Sounds like the beginning of the ear, the European system of transparent horn, delicate sense of hearing
immediately have a natural, carefully taste, DB unique American brand that sense of speed and control is still sound very Naiting.
Excellent acoustic performance
For any speaker, the materials and data is a basic, practical sense of hearing is the decision of whether the consumer can receive the
deciding factor. Although DB S6A-6C features have a certain understanding, but in the actual test or amazing listening experience.
Test equipment is put to use Japanese Alpine 9887 CD, one Taiwan and USA DB A7 four-way amplifier push S6-A6C, low pick up did
not open. Into an “eagle select” select “Hotel California” to see how the acoustic performance, live atmosphere to restore the Hotel
California is not difficult for the expensive equipment, but for some low-end equipment, but the difficulty is, tambourine, guitar,
applause, cheers and other on-site 零零 overall total to the sounds of which are listed, many systems can be restored, the lack of
natural delicate sense of hearing, to restore the sound is flat out, presence is very poor, but the S6- A6C out the effect of restoring
the true delicate, due to low speaker did not open, set aside the amount of low-frequency sense is not that the sound field
performance is very good, real people have a space to restore the feeling of exposure to the scene; this effect in Zhao s ” Riverboat
“in the performance of the more prominent, the drums beating his chest after the Zhao deep voice sounded close at hand but do not
force your ears, from the performance of girls doing the singing was very good, strong sense of hierarchy.
Equipment for the SQ is to create a space is not difficult, the difficulty is to restore the slightest ability to complete the details now, if
we can restore this delicate, precise details of the entire sound field reproduction can only be guaranteed, DB S6A-6C in this regard
was very good.
SQ speaker system featuring a high cost
From the sound quality is, S6-A6C2 Road, 6.5-inch component speaker system is very suitable for the former SQ sound field speakers
to use, transparent and delicate speakers in the car a small space to create a good sound effect than the IF solid, rigid texture
speaker is much easier, the election of the sound field speaker featuring the former, the entire system sound effects only the basic
guarantee. In addition, S6A-6C installation is very easy to install without a mold treble to the A pillar, just buy the bracket to the A
pillar on the line, the tweeter can do 360-degree adjustment. Midrange unit is installed to the front door to the original car speaker
position, but to note is cut to cover the original car horn, the horn loaded, or else the sound on the inside cover, seriously affected
the sound.
As for the system with the host can choose Alpine sound warm host, DB A3 80.4 push S6A-6C package featuring front speaker sound
field, 2 A5 1200.1 mono amp pushing 2 K1 12-inch bass is sufficient, both to ensure that large dynamic sound, the sound quality is
also very prominent, it is worth a try.
U.S. DB S6 A6C currently not listed, the retail price is not known, but according to inside information that is 2,000 early price, the
price of this effect, the cost is very high, S6 A6C is highly recommended a set of speakers .
car audio installation of the three techniques
Pros and cons of a car stereo, not only with the sound quality of their relationship with sound is directly related to the installation of
technology. Why is so important it was installed, we can consider three aspects.
First, the security
Universal design on the market of car audio is difficult to fully comply with the norms of the depot, the actual installation process must
be in the original cable car line in the peeling, the mutual interference between the wires frequently, not only affects the sound
quality, will be buried wire is not strong The following safety hazards. If the re-alignment when the wires exit from the hot air, hot
water pipe close, in the case of hot summer weather, spontaneous combustion can occur; increased audio power, but no
corresponding increase in generator power supply capacity into account, with the appropriate capacitor system, using the appropriate
power supply lines, and the conversion-time workers with limited errors will increase the risk to the vehicle ignition. These cases range
from repeated maintenance, resulting in economic losses, while in a circuit fire, endanger the safety of occupants.
Second, the appearance
Often need to modify the door or A pillar on the installation of new openings on the horn, so the car interior must have been some
changes. If the changes over the place is very rough or inconsistent with the style of the car, I believe it is for the owners of the
most brutal things, who can not tolerate being ruined their car countenance.
Third, the sound quality
Industry have a saying: auto acoustics are not bought, but out of the installation design, installation and commissioning of the design
can be seen in the importance of sound installation. Right that s right, the installation of different positions, each speaker will bring a
different listening experience. Many friends have told me this question, the car horn is equivalent to home audio speakers, home
speakers placed in different locations, the effect of listening at home is not much difference, why the location of the car horn is
different from what the effect would be completely different ?
Is actually very simple, first, far less than the home space, interior space, the impact of changes in speaker position much more
sensitive. Second, the speaker does not mean the family car speakers. Family is already a finished speaker, but the car horn and there
is no cabinet to match, strictly speaking, a sound can not be regarded as finished. You can see some of the manufacturers are often
their own families speaker box structure as a selling point, you know how much the box affect on sound quality. In other words,
speakers in the car with the installation process is to establish a process with a box. Also to be considered within the limited space in
the car, with a large box, it is not possible. This requires local conditions to the dashboard, doors, partitions and other parts around
after the organically combined with the speaker, the speaker form a structure similar to the principle of superposition of sound waves
to eliminate the phenomenon. Therefore, high-class car audio speakers are installed to go through various tests before down. So say
the same host, several speakers, a few wires, construction workers installed a different design, the effect would be completely
different. After modification, finally, for tuning, so that all audio equipment, the effect of head play. Tuning also pay attention to, in
general high, medium and low areas are not to exceed the standard limit, such as less than treble to 500HZ, Alto area to 4000HZ
about, if not meet this standard will generate noise.
In fact, if not special, modified for different models, condition has targeted option recommendations. In general, the first dashboard
speaker is installed incorrectly, the results are affected, it will also play a damaging role of the speaker. The usual way is to install in the
post-stress field platform installed on both sides of the door light sound field, surround effect this will have to give car owners to fully
enjoy the fun sound.
Jiang Sheng modified not to much to win
With the increased pace of life that many people every day, “live” time in the car, or even to much more than the house, therefore, a
good modern car, in addition to sit comfortably, the car is not that sweet, sweet music seems to be called is a good car. To have a
pleasant sweet music, the appropriate course the car audio system, how to choose the right car to their own sound it?
For a car audio beginners can be described as cautious and careful, first find out what your car stereo in the end lack of “tone” and
then choose the most important music is based on personal preferences to choose equipment. If you like lyrical music, it is not
necessary to install the large equipment. Basically, I listen on the appropriate plus one suite with a unit and then be able to meet the
low-frequency unit is sufficient. If the player itself is rock music lovers, and often have a shock effect, high-power digital amplifier and
high-power large-diameter subwoofer is indispensable.
Good car audio, definitely not a simple amplifier to a car safety, plus a few medium and small speakers can. Carpenter is not much more
to the U.S., the more is the winner. If some of the equipment, not a good design, installation, commissioning, more even the best
equipment, not able to sing good music, on the contrary, improper installation, the playback of music, like a caged crow respective
barking, can only spend money by selling to the crime.
Good car audio design, in addition to matching a good audio equipment, the sound field layout is a decisive factor. In this regard, the
speaker position, tone rate level should fully take into account, making the car sound field coverage be expanded to cater to the full.
In addition to the sound field, speakers and other playback equipment, but also inside the environment quiet enough to be able to
make these devices into full play. In this regard, shock-absorbing panels for the automotive installation is necessary so that the driving
engine, the friction caused by the body and wind noise, being passed inside, can be effectively isolated from the shock-absorbing
panels. In addition, a stable power supply is the last to be taken into account. Ensure that the supply voltage source will not be
affected by instability.
Car audio assembly process should pay particular attention to the following: First, treble tenor also point to as close as possible is also
very important, too far away or if it points to a serious deviation would be a serious off frequency of the phenomenon, the store has
extensive experience in the modified The technician will be for you to consider these issues. In addition, the door should be added
within a shock-absorbing panels to prevent resonance caused by self-suppression effect. Low speaker may choose a large wooden box
should do, is more than most backward box (with the kind of hole) and closed box, the same unit will be very different style of box
differences, how to choose?
Can be divided into two steps: 1, unit selection, fast songs slow songs + select the most appropriate unit you think! 2, the selected
unit by unit within the requirements and then pick speakers! Wire should not ignore the important, complex theories do not talk
about, that straightforward: poor signal transmission wire will power consumed in the process of which (like Shagou water
“infiltration”), resulting in no active rate!
The economic and practical step by step car audio players may wish to purchase equipment, this method can not at once that wallet
bleeding, and can be assembled to good equipment. However, this method, the first player to plan a good investment plan, listing the
purchase list, based on urgency has to arrange the purchase of components. This gradually acquired, the last car purchase can be that
good equipment to get the highest audio experience while upgrading the fun each time.
Entertainment is nest Bora car audio conversion evaluation
Bora car audio entertainment nest modified evaluation
The tests in Beijing, Shun saw called “Bird s Nest” Beijing 2008 Olympic Games on the main floor, giant boxy shape of the nest and
water cube swimming pool, roadside walls and inside the busy construction site, let me The first visual experience of the 2008 Beijing
Olympic Games atmosphere. Atmosphere affect the mood, in this century works, you will not have to daydream thousands of free,
sitting, Mr. Mak Bora car, also can not help but turn up the volume large, so that the ears with the music to feel the charm of the
Olympic Games.
Polaris slogan is the driver of the car, Mr. Michael bought a Bora, the first thing is to upgrade the sound system for audio and video:
Alpine 9861 Alpine with the host processor 701 of the Music Manager, after the class part of the equipment used in all to the blessing,
T18004 drive front and back doors of the T162S suit, T1000bd drive two parallel T112D4 dual voice coil bass; the installation of two
front seat head restraints SONY seven inches display, and the middle rear seat handrails installed SONY game console PS2; in the
luggage compartment of the back cover is also fitted with a 14-inch screen and a pair of HPC3206 Coaxial speakers, outings, made in
the field with sound, the whole car can not only listen to music fever you can also experience the charm of avant-garde game.
Bora car audio entertainment nest modified evaluation
Security (4 points)
Whether traveling in the car or trunk, are fully demonstrate sound atmosphere. But in terms of security, do very much in place,
whether it is insurance, installation of equipment protection, each item is done very carefully.
Bass in the trunk protection is still somewhat inadequate, although the original blessing is to protect the frame, but if you want to
place the items, there may be material impact to the bass cone.
Conversion process (4.5)
Traces of the first audio upgrade in the sound field was the dissent, in the A pillar mounted tweeter crossover point to the use of B-
pillar approach, while the subwoofer is very clever modification, good bass mounted on the mold after the door on the plus to fu
characteristics of the protection grid. Installed in the rear treble treble the original location of the rear door, in front of the bass and
the same treatment. In the trunk, Bora black leather for the modification to the tone, the configuration under a blue light, Lou word
plexiglass plate, which is used in many car audio modifications of the basic color. Two 25-farad capacitor in both sides of the face,
power amplifier installed in the floor, at first glance there may be a heat amplifier poor phenomenon, but the two ends of the amplifier
heat sink, also installed two rows of three fans reached a certain temperature, the fan starts automatically.
PS2 s install location selection can be described as clever, but in practical applications to connect more trouble, but heat is not good,
can cause overheating problems.
Sound (4.5)
To the sound of blessing can be said that a representative of the United States, large dynamic, powerful bass, rock and jazz
performances mesmerizing. I think the sound quality Polaris vehicles and it is very match, dynamic and responsive. Sound is not the
kind of European-brand moist and juicy fine, sound amplifier has no shortage of rough outline, the intensity of feeling full.
Sound (4 points)
Adjust Bora sound technician can be modified to interpret more fully the characteristics of a blessing to equipment, the sound
characteristics of the United States had intended to go no modification and no exaggeration to emphasize. “Jazz King” in the strong
sense of rhythm, bass and electric guitar ensemble, easy melody, music, the intensity of the tension in the bass and treble on the
density of easy interpretation. The snare drums, cymbals and drum pedal tone, has just the right exaggerated, especially drum drum
pedal, dive and intensity of feeling is very much in place.
“Just Like Your Tenderness” in Tsai s voice slightly crisp fresh feeling, but a more melancholy tone of voice is bright and will be due to
slightly too much emphasis.
The overall balance (3.5 points)
With the medium volume (90dB or so) to listen to the bass performance of the intensity of feeling just right. Magnus Paganini “Fourth
Symphony” of the cello s open strings with little penetration, the music section in the band a bit thin, but in terms of the
characteristics of equipment and understandable. Large volume of about 95dB spin when the car in such a compartment in the
dashboard thoroughly bass reproduction, completely unable to feel the bass from the back pass over. Midrange and treble
performance over time to be more balanced medium volume, which may be characterized by the sound of American power; but small
volume, the overall balance to lose some, but the bass still feel very much in place.
Details of the regeneration capacity (4 points)
Details of the regeneration of the car s performance in the Polaris has a very outstanding performance, volume and frequency from
the two level, Bora is a rare life-like performance. Drum skin from the drumstick drum beat sound to the drum skin vibrations on the
finish, are very clear, the bass seems syllable can be clearly seen from the drumstick beating drum skin site. “Hair girl” in the female
slightly lifted, so the performance of the dental was very prominent, and the details of regeneration is very realistic, but this time you
can see the micro-flaw Alto.
Knot as force (3.5 points)
Polaris force can be said as the knot is the last choice, although people do not like the sound of the lip has a very good home stereo
as physical sense, but basically on the actual match. Polaris uses the B-pillar tweeter crossover point the way, as the diamond anyway,
home audio, in a small environment with a good knot like edge. Polaris uses two frequency of T162S, also applied the Alpine s 701
managers, but results like force to achieve the best performance yet.
Sound field performance (4 points)
High-fidelity sound field in the car s regenerative capacity requirements, such as recording the same instrument platform will truly play
environment to restore it. “Hotel California” in the tonic guitar, bass, drums and singers have performed in the position of instruments
on stage, the sound field is very suitable height, the instruments are to restore the true ranking. The depth of the sound field with
excellent bass performance because more is to perfect, but the former has left more crowded with the audio and video compression
sound field sense.
Dynamic Contrast (4 points)
Huang Dawei s “Time” in the Dragon one, in the overture has a very beautiful string group played, voice and instrument performance
down to a small volume from loud performance of all-fiber micro-reproduction. Ingmar “Ulaanbaatar night” in the Mongolian steppe
people, the dynamic contrast in the treble won the favor.
Sense of space (4 points)
Enriched with magnificent treble and bass, the ability to imagine the spatial representation, together with the back door of the
speaker of the sound field also has a supporting role, a sense of space in the performance of choral music in the poetry class can easily
experience, but because there is compression sound field phenomenon, also affect the overall sense of space.
Car can also be a nest of entertainment
Mr. Mak Bora is a typical music front, rear entertainment, car audio conversion, particularly interesting is the trunk lid is opened, this car
can serve as a picnic at the outdoor sound use, can also become a virtual war fighting platform. In fact, although the car is a
transport, but also can take advantage of the entertainment of the nest. This car audio conversion, it can be said is Beijing Houhai
paradise shaking it slowly onto your car.
Car audio conversion charm, that is, your favorite music in the most appropriate mode of expression, the use of this blessing to the
Polaris sound system, a whole can be said perfect, although some of the sound field and tenor slightly controversial, But overall,
fundamental, can be described as top conversion.
small car World Audio conversion of the Swift articles
We usually say is different from the audio conversion modification, retrofit projects it contains nothing more than the host, power
amplifier and loudspeaker products, replacement, modification, compared with the vehicle performance is not very complicated, but it
also has a significant difference with the performance of local modifications. Audio conversion requires a clear understanding of the
owners converted the demand for technicians, and according to the owner of demand given the price reasonable, elegant solution to
the configuration, and then through his years of experience in various parts of the sound installation, tuning, positioning, until finally
meet the owner requirements, from this perspective, the audio conversion but one thing is not so easy.
Today, we want to introduce this car Swift, after two times modified, and finally to the owner the satisfaction, but this is just the
beginning, with increasing levels of car owners enjoy, audio conversion of knowledge over time, further improvement configuration is
the way to improve the sound.
Owners introduced
I personally very interested in music since childhood, it used to playing audio equipment at home, then busy with work, and more time
outside together, had worked with a car, a good layout of the car stereo and let me in can enjoy music outside. We can say that the
impulse to buy a car from my pursuit of music.
Although the model was not laid down, but I have begun to turn sound up everywhere. Converted from Auto City to shop, a full run
dozens, Everywhere will be some of their own ideas, and an acceptable price range, told the store, so they gave me a set of
conversion program. Although the program more, also a large choice of surface, but from which I also found some problems, many
stores have a certain lack of knowledge of audio conversion, they can be regarded as first-class assembly technology, but in the tuning
and positioning, is the absolute outsider, which makes me feel a bit disappointed. But later, through the show, I know several very
powerful audio conversion shop, communicate with them, I not only have increased the understanding, and eventually established a
conversion program.
Personally, I prefer to rock, after the first modification, in effect, has reached my request, but talk to a few friends in the same
modifications to the audio out to play a few times that, in addition to the pursuit of audio conversion effect, the layout whether
beautiful or not is to examine the conditions of professional audio conversion. After a lapse of two months, I conducted the first 2
modification, the main purpose of the modification is to change the layout of the vehicle s appearance on the extent of the box after
one week to build, now looks more professional. Recently modified with the preferences of friends contacts, I made my third step of
the conversion plan —- to increase the number of bass speakers. At present the effect of bass has been unable to get my ears
satisfied, I intend in the next phase, focusing on the bass to make an effort to get my car stereo sounds more shocking, more
strength.
Equipment introduced
Host: Pioneer DEH-P1Y
Pioneer s DEH-P1Y is a major host, using a single large knob with smart controls to facilitate neat, new blue OEL display can produce
more clear than previous generations, more beautiful lightning blue. DEH-P1Y all the blue light button is also used to make panels more
personal, more coordinated exterior color, the operation more convenient.
Amplifier: to blessing 400.4 a, 360.2 a.
Crawford s most famous product is the amplifier and subwoofer, like Swift amplifier used in these two belong to the blessing, although
entry-level amplifier, but its performance or even higher than some of the brand s top products. One for the Road 400.4 amplifier,
pushed forward treble speakers, 360.2 for the loop amplifier, push the two bass.
Bass: Fu-P2 series to two 10-inch bass. It reflects the rock was the most direct playback components.
Vehicle noise: American energy.
Large noise is present on the market to the more popular silver brands, which can effectively minimize noise inside the state.
Effect introduced
Host a full-featured, easy to operate, is the owner in order to preserve the original car host, the host will be placed into the new
center console lower, affecting the appearance. Bass sound simple and honest, when people play rock music to enjoy while in the full
sense of the “metal” taste, and to the blessing of expertise is the bass player rock, the effect of correction than the other brand bass,
no noise. Blessing to the same amplifier when playing rock provide strong support for the bass.
There are two shortcomings: insufficient number of bass, power is too small; vehicle noise effect remains to be further improved.
Highlights modified
Swift car configuration contains the original car steering wheel audio controls, the replacement can not be used after the new host,
the owner in order to keep the control key functions, specially made to order one from the factory side of the receiver, but the
receiver is a new product, change the line during the installation, no information can refer to, can only be modified by trial and error
with the technician, just a few minutes to install on the small box, change the line in it took a full 2 ??days 2 nights time.
purchase and installation of car audio Raiders (2)
3 Always check the tightness of the tape
speaker can not be ignored. It is very easy to cover fouling grid, where they make the speaker volume fouling reduction. Listening to
music a good idea to check the tightness of the tape, a pen should be loose and tight; tight will make a way to use rewind to relax. If
you do not use tape or shut down a long time, it is best to tape out a long time may lead to pressure pulley deformation.
4 Slow disk changer less
Winter is the car audio laser head high incidence of damage, because the climate is dry, prone to static electricity. Listing is best not
to touch with bare hands, do not take the middle, slowly into them, try not to frequent changer, plug tray as far as possible to light.
5 Do not suddenly put maximum volume
Sound in the use of which put the volume to maximum to avoid a sudden, this speaker coil will burn, the amplifier will be affected, will
increase the amplitude of a sudden burning power amplifier.
When you audio from the above purchase, installation to maintenance to have a full understanding, is not a lot of heart at ease? Of
course, in the specific implementation process but also to analyze specific issues, the only way you can really have a satisfactory audio
equipment, so boring road trip becomes a romantic picturesque and colorful.
Mined to be alert to five
Audio conversion, modified cars becoming very important part. Visited the capital a number of auto upholstery shop, almost regardless
of size can provide audio conversion service, cheap or easy way to figure that many people will just find a store “changed to a”, the
result of stereo equipment out of they are not “good.” Where does the problem, may wish to listen to professionals advise:
1 and shoddy equipment installed
There are many fake brand-name audio equipment on the market, there are many domestic brand-name stereo equipment, not only
did not pass the technical evaluation, home country does not conform to quality standards. Technical indicators such equipment is
very low, the quality is poor, and some machines have power noise, background noise when playing music, this is the poor signal to
noise ratio is poor due to the circuit, but also a security risk .
There are some owners to install a sound at a lower price, installed equipment looks a lot, but basically are inferior products. This
equipment is generally not technical indicators, and some do not place of origin and manufacturers, some posing as the United States,
Japan, brand-name products. Combined use of these products sound system, there must be some noise, but also music signal
distortion. Moreover, poor frequency response of these products, there will be music playing defect, it is impossible to complete
performance of the music out, in particular, active subwoofer is installed so that the overall musical chaos, and even ambiguous. Good
sound quality should be high, medium and bass level is very clear, like a pool of crystal clear water.
How to identify counterfeit audio equipment do? 1 package to see whether there is a detailed description, origin, manufacturer, size,
etc.; 2 distribution without authorization; 3. The key is whether the issue of quality equipment to meet the target; 4 combined into
how the sound system.
(2) Installation of equipment is low-end products
Although brand-name products, but each brand has a low, medium and high grade equipment, usually the price is very cheap low-end
equipment, such as: low-grade single-disc CD player plus two low-grade speakers, the price was one thousand yuan, see up brand-
name products are very easy to accept, but this is often the easy loophole where some businesses. Customers only see the brand,
does not know is low-end products, do not know a mismatch between the equipment, especially the low-end speakers and some did
not even treble head, usually used to support low-power drives, and power small, high sensitivity, large open volume will have little
distortion, to support a good quality CD player is difficult to show it, mainly the treble performance is even worse, hoarse harsh, the
bass control is poor, sometimes. ” shooting “, the sound is sent to” flutter, flutter, “the. Therefore, consumers must be integrated
when the sound of the indicators examined.
3 mismatch between the installed equipment
Than brand-name equipment will be able to produce good results, there is an installation of the equipment is brand-name customers,
speakers installed twelve, including three bass and three amplifiers. Volume is not open, but also noise, low-speaker design size
calculations have errors, the most important is the equipment with the unreasonable, nor when to use equipment, poor installation
and debugging techniques. It is for these reasons, resulting in overall system did not play a role. After a re-match and after installation,
although the basic use of the original equipment, sound effects, but a new look.
A good sound system configuration, not just a simple mix, but the main thing is to give full play to the role of each equipment, mining
equipment potential. Some people believe that using the same brand of equipment like, the way here to talk about, what is the
“fever”? Instead of using the best equipment is the “fever”, is to use some good quality equipment, but the price is not necessarily
expensive, with the reasonable, professional installation, careful debugging, so that equipment to play the best effect, more than
equipment their own values, even compared with brand-name equipment, effects, this is the “fever.”
4 poor installation techniques and processes
Car audio is a semi-finished products, the need for highly trained staff of professional car audio installation, in order to ensure sound
quality. Some shops use untrained staff, general equipment installation just simply connected, the sound field positioning error, phase
error, the installation does not install the amplifier insurance, will fire. Installation fast, do not follow the standard process execution,
the use of wire is poor, rough work, the consequences are poor sound quality, high failure rate, equipment life is short. The
consequence is caused by freeloaders cut corners when installing.
5 poor debugging technology
General officers in the car audio industry, lower educational level, car audio less theoretical knowledge to install car audio generally
considered to be a simple matter, it is not true, in order to install a good sound system, he should have a comprehensive the quality
and theory, with car circuit, electrical theory, acoustics, installation technical process, music theory and so on. As the saying goes:
“experts listen to the doorway, listening to lively outsiders”, some people think that sound loud, bass heavy is good, really good sound
is not distorted when the volume is large, and the transparent layered sound good, solid bass without bulk. Some people even install
equipment can not read instructions, do not use the equipment, never heard a symphony and other real instrument sounds, how to
calibrate the sound? How to listen to where the problem lies? How to make a good sound system effect, which requires the
debugger is the audio enthusiast, the sound system will adjust when tuning to the best condition. Therefore, installation of sound
system debugging is an important part of the last.
chopper small scale Platinum Core and spider jing common interpretation of the DJ genre
The Platinum Core DJ s owners prefer to listen to the type of songs, because the original car s audio system completely unable to
meet their music needs, so the car will be open to the M-Zone, Wenzhou audio conversion. In the audition room to listen to various
types of audio equipment, the decision to choose the TRC.60C as a former American spider jing sound field, low word for spider jing
Stealth-13, two. amplifier was Carlisle s BT720 and BM610, the host is still the original car CD player. Of course, in order to have a
good listening environment, but also added a large can sound products.
Front speaker sound field TRC.60C set, tweeter inverted triangle located at the membrane installed, the bass unit installed in the front
door of the original car speaker position. Silk dome tweeter with ventilation hole motor structure design, smooth surface, the
appearance of a low-key unobtrusive, easy to install. Woofer speaker is 6.5 inches, using woven fiber / paper cone material
synthesized silver, bullet dust cap design, improved version of the CONEX stand, advanced 12oz pure iron magnet, butyl rubber edge,
are so The woofer sound very accurate. The rated power of 200W, sensitivity to 91dB, frequency response range of 40-20kHz.
Amplifier for the front sound field Carlisle s BT720, warm bright sound of this amplifier is the personality style. BT720, to give a solid
sense of design, the color black was very stable. In the case of 2x2ohm rated power can reach 240W, signal to noise ratio greater
than 95dB.
Subwoofer for the spider jing s Stealth-13, which is the U.S. subsidiary of a thin spider jing-type subwoofer, the depth is only 2 inches,
has a “light horse” in the title, a diameter of 13.25 inches, than the traditional 12-inch ultra- diameter slightly larger bass, but the
unique expertise, this subwoofer will be concentrated to the installation depth of 2 inches. From an aesthetic point of view, the
subwoofer STEALTH-13 is a nice brushed aluminum a spinning cone. This tapered style is very attractive, STEALTH-13 is marked with
a laser etched, the process is perfect. After etching, anodizing and it s clear coating durability and good-looking. Cone is finished gloss
powdercoat paint is spider jing (Soundstream) classic “titanium gray” color. Subwoofer STEALTH-13 is rated at 200W. Subwoofer
amplifier for Carlisle s BM610, its rated power in 1x4ohm case of 530W, can be a good drive two subwoofer spider jing.
Configuration
Host: The original car CD
Before the sound field: spider jing TRC.60C
PA: Carlisle BT720
Carlisle BM610
Subwoofer: spider jing Stealth-13 (two)
Converter: Magic Cube X2.4
Noise: Noise can be a large
Hangsheng car audio system instrumentation and ground-breaking project in Henan Hebi
`April 13, former vice minister of Ministry of Supervision, the former head of the central inspection teams left with Bi, former deputy secretary of Henan Provincial Commission for Discipline Inspection and Supervision Department of the original director Chu Ip-cheung,
power pro audio
secretary Guo Yingguang Hebi City, Mayor Ding Wei, Hang Sheng Group Hong Yang as the president Hangsheng Hebi Automotive Industrial Park groundbreaking. Hebi Daily reporter Li Guoqing taken the morning of April 13, Hangsheng Hebi automotive electronics industrial park project groundbreaking ceremony in Hebi City, Henan Province, north of National Economic and Technological Development Zone Industrial Park held a grand.
active loudspeaker
Hangsheng Hebi automotive electronics industrial park project by the Air Group and Tian Hai Sheng Group co-investment. Hang Sheng Group is the leader in automotive electronics, days Shipping Group is the largest connector research and production base and emerging automotive electronics production base,
loudspeaker box
the two sides work together to enhance the development zone for the automotive electronics industry level, to build the country s major car electronics industry, will play a positive role in promoting. The total investment of 1 billion main construction contents annual output of 3,000,000 sets of automobile instrument, 200 million sets of car audio systems, including a construction area of ??150 acres, with a total investment of 500 million yuan, is expected to be completed before the end of production. After the completion of all projects, the annual output value will exceed 30 billion yuan.