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home audio layout description
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Introduce home audio distribution
Introduction
Mainly two-channel home stereo Hi-Fi system and multi-channel AV system, the former is what we often say 2.0 or 2.0 powered speakers Passive speakers and amplifier combination; the latter is the home theater sound system, and is generally 5.1 channel, 7.1 channel speaker in recent years, however, is endless, which to some extent from the 7.1-channel sound card appear. And have appeared in the 4.1 channel.
Home audio sound effects related to many factors, such as room size, room shape, speaker of the display layout and more. A sound system in the same case, we can not change the size and shape of the room, only through the audio layout to improve the acoustics. In order to get better sound, home audio layout is very important.
Two-channel sound system
2.0 Speakers
For 2.0 speaker is – \"triangle\" pendulum method has been very mature.
First of all, between the two speakers to maintain a certain distance. Typically, this value is probably between the 1m-2m.
The speaker and the wall distance is best at least 30cm. This is because many speakers in the box with holes down the back speakers at work when it is discharged through the air. Especially high-power output, if too close to the wall, the impact of air to the rear wall easily, this will cause the bass muddy.
To face the speaker towards the listener. This means that it should form a certain angle with the desktop, rather than parallel to the relationship. As for the distance between the speaker and you, too practical to consider the practical issues.
2.1 Speakers
That pursuit is definitely Hi-Fi 2.0 speakers, which is mentioned before the two-channel Hi-F system. At present, there are a lot of on the market, or a common or ordinary consumers use 2.1 speakers. The placing of these speakers also pay attention to the requirements of 2.0 speakers but no less complex.
In general, you can put it on the computer desk below the subwoofer, and two satellite speakers on the computer desk just need the top left and right enough.
Multichannel audio systems
4.1 Speakers
In order to bring better sound field surround effects, there have been 4.1-channel speaker. Its basic composition is evolved from the 2.1, but the name change, the four satellite speakers are divided into front, rear two. In place, it s two front speakers and subwoofer with 2.1 speakers placed no difference. The two rear speakers are generally required on your left and right rear two positions, and the best axis aligned with you. Height of the best with your ears at the same horizontal plane. If not, then ask them to both the vertical axis of the speaker plane can be the best point to your ears, and most do not exceed the distance of 1.5m.
5.1 Speakers
With the increasing popularity of home theater, 5.1 channel and 7.1 channel speaker s attention is also increasing. But certainly not a good thing to have good sound effects, compared to the previous, the 5.1-channel speaker placed much more complex.
■ placing the subwoofer
Because the human ear is not sensitive to the direction for the bass, so it can be placed in the corner. But this time, we must note two points:
A subwoofer is definitely not easy to form on the resonance of the object. If so, when the subwoofer work, the object also followed shock, a great impact on quality;
Second, the subwoofer does not matter must be close to the rear wall. This is because many of the subwoofer is designed after the inverter. The phase inversion towards the hole, if not a certain distance, not to play bass on a. Therefore, at least some distance away from the wall.
■ front speakers
It is best with ear angle of 45 degrees -60 degrees, where the distance from the speaker about the listener s position, that monitors the distance from the listener decide. In general, the front speakers can be placed in parallel for the listener or the same place as the 2.0 system, but no matter how placed, highly to be as identical as possible.
■ Center Speaker
The center speaker is only one principle – must be put in place in front, left and right speaker is the perpendicular bisector line. Although it does not matter from front to back, but still good to try to moderate.
■ Surround speakers
And the front speakers should be placed face to face or with the human ear into a 60 degree angle display, and it is best to hang in the rear and above the head 60 cm -90 cm.
In short, a good 5.1 positioning system, positioning should be clear, there is no fault. Like a bullet across the sky, there should be a very complete change in the position of feeling, without feeling or feeling is not clear, you need to adjust your speaker location. The voice dialogue should be sent from home, feeling the speaker in front of you. Low frequency, the 5.1 system the emphasis is on shock, large dynamic scenes should have a good contrast effect. The more high-quality 5.1 system, you should be bass eloquent and magnificent.
7.1 Speakers
For the 7.1 speakers, the more it is based on the 5.1-channel has been further improved, an increase of two surround speakers, it reached number four, namely: front left, right, left rear, right Surround. Therefore, it is also based on the location of placing a 5.1-channel speaker changes.
For the subwoofer and the front, center speaker, 7.1 channel system with 5.1-channel system is almost the same.
Four surround speakers placed, the principle is the same, that is, the surround speakers to the formation of the human ear 60 degree angle, and preferably higher than when you are sitting at the head of more than 60-90cm.
Where change is that the surround speakers placed in your left front, left rear, right front, right side after the position to be placed face to face manner, that is, four speakers are facing you. Also, ensure that both the left and right speakers, two speakers were in the same straight line.
There is, left, right, two surround speakers, and you should be at the computer screen with vertical straight line, and with a pair of rear surround speakers at a same plane, were hung on both sides of the wall (you can also on the bracket).
Classification and role of the speaker magnet
Magnet is to provide energy product the size of the foundation. Now the popular car audio market with the ferrite magnets and
magnet generally NdFeB magnet:
Ferrite magnet: is the most common magnet, which is formed by the sintering of iron oxide; As a result of the purity of the different
magnetic field strength of different sizes, due to the strength of a magnetic Y20 to Y35 of the hierarchy, the general The table is
based on the magnetic strength of magnet to distinguish, Y20 level of the lowest, Y35 highest. The disadvantage is that a larger
body, fragile, and low coercivity is relatively easy to demagnetization.
NdFeB magnet: iron is added in the rare element neodymium, boron and other elements made of cast high coercivity of the magnet,
because of its high coercivity, resulting in easy magnetization or demagnetization, requires special charge magnetic machine to
magnetization. It has small size, the characteristics of high magnetic field strength, but influenced by temperature because of its
relatively large, in general, to over 75 ℃, the magnetic field strength with increasing temperature, decreased significantly. Now the
market has started to heat NdFeB magnets is high temperature and magnetic field strength for the decline in R & D out of the
product.
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.
What is the audio cable dielectric bias (DBS) systems
Compass is the best description of daily life, how the material is affected by the example of the external environment, the role of
Earth s magnetic field caused by the Earth magnetic compass pointer.
DBS systems using very similar principles to the molecular wire with DBS electronic insulator orderly arrangement of the magnetic field,
car component speaker
a 48V or 72V DBS battery packs through the cable in a separate DBS internal and external conductors connected to form a strong
and stable the magnetic field.
Static disorder of the insulator will cause non-linear time difference, most of the time due to poor signal transmission have different
outdoorspeaker
delay, because the different frequency and amplitude of the electrical signal transmission time difference and not due to
synchronization.
Magnetization state will eliminate most of these signal distortion, are polarized (organized order) of the insulator can eliminate
outdoor garden speaker
virtually all distortion generated due to the time difference.
Become smoother clearer sound, like the black background from the very quiet in general, express the unexpected details and
dynamic contrast.
car audio who pay the homogeneous pattern
CMMB, high-definition digital screen, navigation, electronic dog, Bluetooth hands-free features such as these … … have now become a
hot trend now, and car audio and video standard for many years, few car audio manufacturers in the product, what is the new action.
If you remove the logo in a variety of products, but also the confusion, the same face, Which is which is difficult to identify the
product. Either from the appearance or function of user interface, very few businesses can be refreshing, impressive. Disorderly market
conditions and the homogenization of competition, price war, so the industry into a pool of stagnant water. Was directed at the
upstream industry chain solution providers as product homogeneity should bear part of the responsibility, it was also said Chinese
manufacturers lack the spirit of innovation, due to quick success, Who is the culprit? Who should bear responsibility? Solution providers
and manufacturers have their own word
Car Audio homogeneous pattern in the end Who will pay?
Dispute: what the vendor solution providers over?
As we all know, the chip is the core part of car audio, so when the market is the same interface UI and operating functions of the
time, some companies face the same external chatter and criticism, began to target the source of car audio and video – solution
providers , some industry professionals are also analyzed, car audio and video of the homogeneous situation, solution providers should
be held to not shirk the responsibility.
The face of accusations, a well-known person in charge of the program s very angry, so he is responding: “The people who say these
words are fart! I think this logic is simply not valid. Manufacturers to take from us the same program to do it, do out of the can is not
the same quality, stability is not the same, why some people do well, some people doing a good job of it? quality well, that is the
difference ah manufacturers of program s customers factory, the factory needs to do are based on the program, we are listening to
the factory s baton in walking, manufacturers need to have their own ideas.
Solutions company to support the daily operating cost of a big operation, earn hundreds of dollars a chip before the profits of the
manufacturers to sell a machine more money than we had to go, they do not support solution provider solution providers do not give
money also press This allows solution providers to work? no cost difference, but let us, then who will pay that price? I can not bear, if
I went out to you so what are the benefits? “
It is understood that there is a program with hundreds of people behind the company to maintain a large research teams, often have
a strong need for funds to support the daily number of items you want while maintaining parallel to the normal operation of financial,
human and material resources had all place in time. Solutions company, usually based on customer demand to develop new products,
but business customers an excuse to bad old program s reimbursement arrears are also many phenomena. Funds were not in place on
time, can only delay the project, the program s day more and more tough.
Words: fierce competition to give a certain homogenization of living space, in the face of homogenization of competition, both solution
providers or vendors, enterprises must find ways to break through the blockade of the Red Sea, out of the difference of the line, to
open the road ahead of the blue ocean. Because a broken boat, no matter how repair can not drive that piece of the Red Sea.
Beware of them tricky car audio conversion
In the car, we may not care about how the car stereo, but in actual use in the importance of car audio will appear. Imagine if a
person is driving down the road at high speed, continuous road will make you feel fall asleep, if not this time with some music, I am
afraid of is very easy to sleep.
But in addition to the super fans, do not expect someone from the perspective of sound to choose their own driving seat. If in the
course of that sound effect is not satisfactory, then rely on the modification to solve the problem.
audio equipment is used in automotive electronics, and its development is closely related to the development of automobile industry.
Car audio market is divided into two parts; one original equipment market, it is the car manufacturers in the automotive production
process on the use of a brand of car audio products as its standard configuration: two complementary retail market, refers to the
surface end consumer retail market, mainly special car audio shop.
In order to enable consumers to spend the least money to choose a most suitable for your car stereo, according to some relevant
information, summed up the following issues that need attention:
To prevent the transfer package, remember to request an invoice
With the steady development of China s auto market, many of the relevant product market has also been a rapid development. With
the development will make a profit, and with profit, it will also follow up on fake and shoddy products, car audio market naturally no
exception. Many Chinese and foreign brands in China is rapidly upgrading this piece of the market, followed by well-known brands will
have a lot of counterfeit products appear. Because the line of vehicles involved in car audio problems, so do not be sloppy, be sure to
prevent sticking on fake and shoddy products. But the general appearance of counterfeit products from difficult to distinguish the
difference between genuine and counterfeit is the inherent quality and performance. In fact, to ensure the quality, nor is it a very
difficult thing. Be sure to install the audio to the factory authorized regular shop, remember to request an invoice. And counterfeit
products are generally less than seismic, hand pat the host may appear to stop playback or re its reading of the phenomenon.
Do not be confused by the appearance of
Individual businesses in order to seek higher profits will use the expertise of consumers fewer weaknesses to recommend some
consumers create beautiful, but more expensive the product is actually produced pretty much the effect is not necessarily a good
product, it touches on some of the appearance The product looks very simple with very good results, and center console with good
power. So buy audio products, we should focus on its internal.
According to their need to select equipment
Car audio is divided into three categories, namely, display type, game type and practical.
Among these three categories, display type is used to display products and can not enjoy music. Game type the name suggests, is
used to participate in the competition, the use of the equipment are the best, expensive, not suitable for normal consumer use. Is
the practical needs of ordinary consumers, consumers according to their economic situation and the type of music preferences to
choose.
Choose formal professional installation shop
Choose professional installation shop in addition to the regular quality assurance, but also can guarantee safety. Installing car audio
related to the car line problem, if no adverse consequences for technical assurance. Ranging from repeated maintenance, resulting in
economic losses, while in a circuit of fire, endanger the safety of occupants. How the modified sound effects, a large part depend on
scheduling. If not enough professional installation shop, scheduling is not in place, even brand-name products, also will not send a
good sound. Regular store can be an excellent installation service.
enjoy the Jeep Commander audio conversion audio-visual evaluation
Test vehicle: Beijing JEEP Commander
Sound System: Pioneer PIONEER Japan
System Configuration
Host: DEX-P90RS (set)
Before the sound field: PRS-D4200F push TS-C171PRS (a pair of active crossover)
After the sound field: PRS-D4200F push TS-C131PRS (one pair)
Bass System: PRS-D1200M push S-W257D4 (two)
Modified in the car audio industry, known as a hatchback sedan better than the discussion of change in sound theory and construction
point of view, indeed justified, hatchback car audio converted to acoustic and bass parts of the former in the same space , so the bass
anyway, leaving modifications and equipment installation technicians handy. The evaluation of the Beijing Jeep Commander, but also
because a large space, sound effects more than the average hatchback advantage of Japan s leading car audio expert Mr. Jin Wen
comment after listening to the car, but also for its craftsmanship, tuning levels are There are excellent reviews, and firmly believe that
Japan participate in the annual Pioneer car audio competition can enter the top three.
System 4.5
This car is a pioneer in China s system configuration 2008 DEMO CAR basic configuration of a template, from the P90 host, to PRS
Series PRS amplifier and speaker unit has a suffix can be seen, the whole system is Reference System-level hi-fi . Pioneer DEX-P90RS, is
the world s first choice for car audio competition level game host, you can 4-way active crossover, and a professional 31-band EQ
equalizer. The main pioneers of the sound field with PRS Series Class D amplifier, small size, light weight, become popular in Japan. SW
series bass system is a 12-inch dual voice coil speaker system closed.
With the P90 high and low two-way active crossover driving enthusiast speaker Pioneer TS-C171PRS, tenor all the way closed. Before
the sound field with the latest ICE POWER technology pioneer amplifier, D class amplifier driver before the sound field may not be
accepted by many leading audio enthusiasts, but will exceed your expectations on the JEEP.
5 minutes car ride modification
Modification in the car ride is the biggest highlight of the instrument panel. The instrument panel and now see no difference between
the original car, in fact, is through major changes. The host bits in the instrument panel has been connected to the air conditioning
control bits of the original ABS plastic accessories, storage boxes will be removed, all mahogany pattern re-processed to fit the two
hosts P90 and 6850 fixed installation and is completely original vehicle configuration , process has been very beautiful, even more
gratifying is that the original car s steering wheel remote control car is also in the same sample can be used.
Modification is the original door style, bass steel plate fixed to the motherboard, but only in the door of the exterior parts, the increase
in the vanguard of LOGO, details of the process has been very fine.
Modified trunk 4.5
Modified trunk modification in the country are fine in class, the conversion does not take up space, refined and elegant appearance. As
the Pioneer SW Series bass is thin bass, amplifier, bass, and other accessories are on the floor, not the space. Trim all stuck with each
other and did not use a screw. Decorative glass sheet at the power amplifier and bass, respectively, decorated with blue and white
LED lights.
Most innovative in the bottom on both sides of the strip, decorated with blue light, a change in the appearance of dull, so that the
whole car full of vitality. As a number of blocks composed of different pieces of molding, the gap between each other more obvious,
while the spare tire so that the average owner can not access it difficult to accept.
Noise damping 4.5
Noise damping of the whole car done Jeep, tap the shell, a very strong and appears to have strong rigidity. Large sound pressure level
in the car playing the track, but this car will have very good damping effect of the subjective feelings, no loose parts of the
resonance, but also did not make the sound muddy aftershocks. With “LOW FREQUENCY” to detect low-frequency resonance, and no
noise.
Sound 4
Pioneer strengths because the host is, after the class is considered sound system sound is not ideal, but the value from the Pioneer
30 million civil fever two channel audio systems, the Pioneer s sound quality in car audio performance should be low are put in that
kind. JEEP voice in voice and high-frequency performance of remarkable. Performance lies in the intensity of low-frequency, low
frequency moderate amount of sense, dive less impressive.
In the sound field set-ups, P90 system can adjust the precision is to the extreme bass sound field can be formed with the positioning
of the former front, restored accurate sound field. Moderate frequency of the dive, which is the orientation of the speaker s own
style.
Tone 4
Jeep in the performance of the Concerto for piano and violin sound when shown can be used to describe gorgeous. Mozart s “Piano
Concerto” under the main piano melody, such as silk thread pull-out violin accompaniment, the piano and violin wood flavor of pine
scent is always very place. Mute the
double bass and bassoon am like a low voice, this is because the performance impact on low-frequency bass voices in the sound.
News 4
Dynamic stress and impact strength of the contrast. In the low frequency part, SW series good performance impact, the vehicle
system in smaller volume, low-frequency performance to highlight the performance of large volume, but the sound volume over time is
mixed. Mid-range speakers in the rated power up to 150W per channel amplifier to drive, and acting freely. In the symphony, the
wooden pipe band performance is better than the performance of brass band, piano performance relatively more pleasant.
Balance of 4.5
Volume in the middle under the balance of the whole band doing well, but in the case of large volume but showed weak treble, bass
and more phenomena. In the “Need Fashao Die” in the first three, the performance of female intimate nature, but the music of drums
on the relative composition slightly. However, the performance in a small volume, the system performed better balance, “Hotel
California” and BASS guitar sounds and drum sounds in the instrument panel lined up perfectly.
Overall Comments 4
Jeep s sound system as a whole conversion, as Pioneer Demo Car is concerned, not the kind of American-style exaggeration and wild,
it belongs to the Japanese refined and details, such as the dashboard, luggage. The quality of performance, the complexity of the
regulation from P90RS point of view, the longer, more able to demonstrate its skill. The system tuning in stereo sound field can be
said that to an extreme, the sound quality on the overall performance, Subvert Japanese speakers can sound a general fallacy.
Tianyu SX4 impact Pioneer audio conversion evaluation
Test vehicle: Changan Suzuki Tianyu
Sound System: Pioneer PIONEER Japan
System Configuration
audio: Pioneer DEX-P90RS + Pioneer AVH-P6850DVD
Before the sound field: Pioneer PRS-D4100F active frequency drive TS-C171PRS
Rear sound field: Pioneer PRS-D4100F bridge drive TS-131PRS
Bass System: PRS-D1100M push TS-W12PRS
Modified in the car audio industry, known as a hatchback sedan better than the discussion of change in sound theory and construction
point of view, indeed justified, hatchback car audio converted to acoustic and bass parts of the former in the same space , so the bass
anyway, leaving modifications and equipment installation technicians handy. The evaluation of the 2007 Pioneer Sound of the main
push fever Demo Car, modified by the Urumqi riders technicians spend two weeks converted.
System 4
This car is a pioneer in China s system configuration 2007 DEMO CAR some kind of version of a basic configuration, the host from P90
to PRS Series PRS amplifier and speaker unit has a suffix can be seen, the whole system is Reference System-grade fever stereo.
Pioneer DEX-P90RS, is the world s first choice for car audio competition level game host, you can 4-way active crossover, and achieve
professional-grade 31-band EQ equalizer. The main pioneers of the sound field with the FD class PRS series amplifiers, bass system is a
12-inch dual voice coil speaker system closed.
With the P90 high and low two-way active crossover driving enthusiast speaker Pioneer TS-C171PRS, tenor all the way closed. Before
the sound field with the latest ICE POWER technology pioneer amplifier, D class amplifier driver before the sound field may not be
accepted by many leading audio enthusiasts, sound, rigid performance of the slightest mistake.
4 modified car ride
Modification in the car ride is the biggest highlight of the instrument panel. The host bits in the instrument panel has been connected
to the air exit of the original ABS plastic parts, mold all over again to fit two hosts P90 and 6850 installed and fixed. Far appears to be
the original vehicle configuration process has been very beautiful, even more gratifying is that the original car s steering wheel remote
control car is also in the same sample can be used.
Door modification is fixed in the bass on the motherboard plate, while the grid is fixed on the door of the exterior parts, details of the
process done a good job, but the prominent one than the original car, looks a bit awkward.
Modified 3.5 trunk
Modified trunk modification in the country are fine in class, it can be said that this region of Xinjiang is more advanced, amplifier, bass
and other parts of the support pieces, decorative pieces are all stuck with each other and did not use a screw. Plexiglass sheet with all
the words of CNC machine tools Carve PIONEER, and decorated with blue LED lights.
As a number of blocks composed of different pieces of molding, the gap between each other more obvious that these gaps in a long
time after each other and loose and loose with noise problems, and spare tire so that the average owner can not be accessed difficult
to accept.
Noise damping 4.5
The whole car done by the day of noise words, tapping the housing, no Japanese-made cars and some cars that consistently empty,
feeling very strong and appears to have strong rigidity. Large sound pressure level in the car playing the track, but this car will have
very good damping effect of the subjective feelings, no loose parts of the resonance, but also did not make the sound muddy
aftershocks.
Sound 4
Pioneer strengths because the host is, after the class is considered sound system sound is not ideal, but the value from the Pioneer
30 million civil fever two channel audio systems, the Pioneer s sound quality in car audio performance should be low are put in that
kind. Day language of sound in the human voice and high-frequency performance of remarkable. Lies in the intensity of low-frequency
performance, but the vehicle, the low-frequency biased hypertrophy.
Although the sound field can be formed with the positioning of the former front, restored accurate sound field, but the amount of
low frequency and ultra-low-frequency part of the sense of dragging its feet, the sound quality is compromised, which is a relationship
speaker cabinet volume. Closed box has a natural advantage, ultra-low frequency to be better, but in a small car in an enclosed
environment, but also prone to excessive low-frequency phenomenon.
Tone 4
Day language in the performance of the Concerto for piano and violin sound when shown can be used to describe gorgeous. Mozart s
“Piano Concerto” under the main piano melody, such as silk thread pull-out violin accompaniment, the piano and violin wood flavor of
pine scent is always very place. Mute the
hear double bass and bassoon am like a low voice, this is because the performance impact on low-frequency bass voices in the sound.
4.5 sound field
P90RS can be said that the most powerful car audio hi-fi host, it is equipped with a decoder, can be time-aligned, and the regulation
of crossover network, in the sound field of conditioning, it can at the listening position on the left or Right channel speaker level to
17cm to the overall delay, so long as the function of P90RS understanding of the true sound field reproduction can be done. Day
language in the sound field in the height, width and depth are doing quite well. However, in the case of large volume, low-frequency
tail due to a slight deformation of the sound field.
Dynamic 3.5
Dynamic stress and impact strength of the contrast. In the low frequency part, TS-W12PRS good performance impact, the vehicle
system in smaller volume, low-frequency performance to highlight the performance of large volume, but the sound volume over time is
mixed. Mid-range speakers in the rated power up to 150W per channel amplifier to drive, and acting freely. In the symphony, the
wooden pipe band performance is better than the performance of brass band, piano performance relatively more pleasant.
Equilibrium 4
Volume in the middle under the balance of the whole band doing well, but in the case of large volume but showed weak treble, bass
and more phenomena. In the “Need Fashao Die” in the first three, the performance of female intimate nature, but the music of drums
on the relative composition too. However, the performance in a small volume, the system performed better balance, “Hotel California”
and BASS guitar sounds and drum sounds in the instrument panel lined up perfectly.
Overall Comments 4
Day language of the sound system s overall conversion, as the Pioneer Demo Car is concerned, not the kind of American-style
exaggeration and wild, it belongs to the Japanese refined and details, such as the dashboard. The quality of performance, the
complexity of the regulation from P90RS point of view, the longer, more able to demonstrate its skill. The sound system was tuned
many of the potential to be tapped, the aging speaker had suggested a month or two, then the system re-tuning.
of China is car audio market status foreign brands to expand their market the growth of own brands tenacious
The rapid development of China s automobile industry, automotive parts, components industries also will be high growth, but we have
to face a harsh reality: the Chinese market nearly 30 million car audio market share, 80% -90% of the profits to be foreign companies
away, and processing enterprises in China only get 10% or less of the profits. As China s living standards improve, people s material life
pro audio
are increasingly high requirements, car audio equipment from the pursuit of higher car is essential for modern people to car devices.
As the status quo as China s auto industry, China s car audio industry, lack of independent brands, resulting in the cylinder to maximize
profits, part of the car audio industry for foreign companies carved up. Of course, agents of foreign brands in the process, the agents
also acquired considerable part of the technology, the formation of a group of excellent technical team and marketing team, the
car coaxial speaker
market began to operate independently.
China s domestic brands is on the rise, a strong brand in the foreign occupation under the strong resistance and tenacious growth,
also won one of their own land. Currently in its own brand, Freeway, ultra sound, magnificent, Bo plans, Wan Hua, etc., have
developed a considerable mastery of technology, has won praise, but also by the domestic auto s approval, the rise of China s
automotive industry is a new audio race, the existing market system is being slowly broken.
China s car audio brands also experienced the development for quite some time. The new century, the development of China s
car amplifier
booming auto industry, car audio market through OEM to brand everywhere, for a time, foreign car audio brands in the country, but
stole the show, also pocketed the water. Many so-called domestic brands do not have their own production lines, research
technology, human resources, marketing, and roasted them through other means, fried named head. These so-called brands upset
the already chaotic market car audio, car audio to the adverse effects brought great, that the mention of the domestic brands, dealer
was accused of complaining.
Tenacious growth in own brands, promising, we must see that our car audio industry still lacks the soul and the flagship company.
Domestic car audio market is a lack of integrity, business ethics, marketing guidelines and standards for the industry, low quality, lack of
human resources, market competition, no market view, no view of the industry, and the low level.