Speakers repair parts shop
Thousands of speaker edges in stock
La boutique du haut-parleur is a site specializing in the sale of quality equipment and accessories to maintain and repair your speakers. A site that wants to be clear, precise and detailed with good advice to inform you effectively.
The choice of quality
We are uncompromising on the quality of our products. Most of the surrounds available on this site have been designed and manufactured according to the specifications we have defined. These thousands of edgess are adaptable to most brands of speakers. We are constantly working to enrich our range.
The spare parts in stock
Edges, cones, spiders, voice coils, core covers, braids, connectors, special glues, acoustic fabrics etc. All material is in stock in France for fast shipping to France, Belgium, Switzerland, and other European countries.
Fight against waste
Repairing a faulty loudspeaker rather than buying a new loudspeaker is an environmentally friendly gesture that reuses over 99% of the resources that were used to build it. Repair is the best way to reuse materials already removed from the wild, while saving money. More
If you have any questions, do not hesitate to contact an expert technician.
Reasons to repair your speakers
My speakers are old is it worth repairing them?
Your speaker speakers may be 30, 40 years or older, it is not a reason for you to separate because you will not find the same quality and reliability. The vintage speakers were built to last. Although technology has changed little since then, quality has fallen sharply. Read more.
The new speakers you buy today are built with low-cost speakers and are not designed to last. This is called scheduled obsolescence, as for TVs, refrigerators or cars ... Apart from a few rare exceptions, the current speakers are manufactured in Asia with only worries, economy and immediate profitability. Everything is calculated at the most fair to the detriment of quality and reliability. The Asian speakers have a life expectancy of about five years before having to replace them, because they can not even be repaired. The essential for manufacturers, and unfortunately for some customers, is that they have a look that please! More details
Repair : an ecological way
Repairing a defective speaker can reuse 99.5% of the resources that were used to build it. Repair is the best way to reuse materials already removed from the wild. All the details
Loudspeakers the most important link in a HiFi system
What is a good speaker? A good speaker is a speaker who is always listened to with the same pleasure. No matter what age or characteristics, it's the emotion it gives you that counts.
First, let's get acquainted with a Hi-Fi speaker.
Many confuse loudspeaker and speaker, but it is not the same thing.
An enclosure is a generally wooden case containing one or more speakers and a frequency separating filter. There are several types of speakers, the most often encountered are bass-reflex speakers and closed speakers.
Our ear theoretically hears sounds between 20 and 20,000 hertz. This is called the audio frequencies. Thess audio frequencies are arbitrarily divided in three parts each reproduced by specialized loudspeakers.
The bass frequencies reproduced by the boomer, the mid frequencies reproduced by the medium and the high frequencies reproduced by the tweeter.
In a 3-way speaker you will find a boomer, a medium, and a tweeter.
In a 2-way speaker, there will be a boomer that will also act as a medium and a tweeter. In a speaker equipped with a single speaker, this speaker is called wideband, or coax if the speaker is equipped with a tweeter built into the base of its membrane.
To finish the tour of the owner, there is also an electronic circuit, the filter separator frequencies that divides the low, mid and high frequencies to send them to their respective speakers.
2 way speaker
2-way speaker equipped with a boomer-medium and a tweeter.
2-way speakers represent the majority of speakers. They allow to have a very good sound result, without being too complex or too bulky.
3 way speaker
Celestion Ditton 22 Vintage 3-Way Speaker equipped with a boomer, a midrange and a tweeter. The 3-way speakers are larger because of the larger size of the boomer. These speakers provide more bass, but the focus of their filter is more complex.
Boomer, or woofer, is the speaker responsible for reproducing the low frequencies, bass sounds, it's the biggest speaker.
It's the boomer that breaks down first.
If you put a boomer on a table and plug it in, you will not hear much because the boomer needs a enclosure to work. Depending on the enclosure in which it is installed, the result will be more or less good. This explains that you can not install any speaker in any enclosure, based only on its shape or dimensions, for it to work well. It is the role of the loudspeaker to provide a load adapted to each loudspeaker.
The choice of replacement speaker performs on specific technical criteria.
What is the best replacement boomer for your speakers?
Midrange is the speaker responsible for reproducing the mid frequencies between low frequencies and high frequencies. It is found in 3-way speakers.
There are different kinds of midrange, some are made from a domed membrane, like tweeters. These are midrange dome.
Midrange dome speakers, as shown on the pic, can be opened or closed at back, ie the speaker has a bulkhead that isolates the speaker from the pressure exerted by the boomer.
The midrange speaker has a great importance in faithful reproduction of music and voice, because it reproduces the frequencies in a band of sounds where the human ear is the most sensitive, between 500 Hz to 5000 Hz.
It should even be considered the speaker's most important speaker, the boomer being there to bring extra bass and the tweeter to provide extra treble for clarity of sound.
Tweeter is the speaker responsible for reproducing the high frequencies. It's the tweeter that gives precision to the sound. Its absence is sorely lacking because it gives the impression of a dull sound without relief, as if we listened through a veil.
There are cone tweeters, but over time they have been gradually replaced by the more efficient dome tweeters. The new neodymium tweeters have excellent sound quality in a reduced size and weight.
A tweeter is able to reproduce frequencies far beyond what the ear perceives. However even if the ear does not directly perceive these high frequencies, they participate to reproduce harmonics that make the richness of sound.
Let's take an example. The same musical note played on a piano or a guitar has exactly the same frequency, however our ear is able to discern whether it is a piano or a guitar.
It's the harmonics generated by the tweeter that make all the difference.
What is the best alternative tweeter for your speakers?
As the name suggests, the sealed enclosure is closed. The sealed enclosure uses only the front wave of the loudspeaker, the back wave remains locked, voluntarily isolated in the enclosure.
This is the simplest enclosure to build. The result in the reproduction of low frequencies will be proportional to the size of the boomer, and the volume of the speaker.
In summary, in a closed enclosure, the bigger the woofer (from 20 cm in diameter), the larger the speaker is, the better the result in the bass sounds.
The bass reflex enclosure is not completely closed, it has an opening, the vent, which can be in different forms, but is usually cylindrical. The vent may be located at the front, rear or even sometimes under the enclosure. In this category there are also the speakers equipped with a passive speaker that use the same principle of recovery of part of the back wave.
Most manufacturers use tbass reflex because it has a higher performance than the closed speaker. Indeed the rear wave of the speaker is partly reused by the vent. A similar result, a bass-reflex speaker has a size smaller than a closed speaker. However, it is more difficult to develop because it requires a precise calculation of several parameters, mainly the volume of air contained in the acoustic enclosure and in the vent.
The loudspeaker used must imperatively have characteristics compatible with these volumes of air. If you replace the original speaker with a randomly selected speaker, or only with its dimensions, there is very little chance that this marriage speaker / speaker works well. The likely result will be a loss of bass, or poor bass.
To select the speaker that will be well tuned to the speaker, you must master at least four technical parameters called Thièle & Small. These settings vary on each speaker. There are thousands of possibilities, that's why there are not two identical speakers. The detailed explanation of these T & S parameters goes beyond the scope of this site. So let us help you.
Contact us and we will tell you which loudspeaker is best suited to your needs.
The passive crossover frequency filter is an electronic card integrated into the speaker that separates the low, mid and high frequencies and sends them to their respective speakers. In the most advanced models, the filter also serves as an equalizer capable of balancing the levels of the various speakers of the speaker, as well as correcting certain defects of the speakers.
There are two-way, three-way crossovers speaker, or even more, and subwoofer crossovers speaker.
Each crossovers is different and must be adapted to the speakers it feeds.
As for the speakers, there are simple or more sophisticated crossovers. The difference is mainly on the more or less clear separation of frequencies, a parameter called attenuation. This attenuation is 6 dB per octave for less selective, it is usually 12 dB per octave, and can be up to 24 dB per octave, or more in some cases. The crossovers sometimes have protections for the tweeter, either by fuse or by electronic circuit breaker. The crossovers is the "heart" of the speaker its quality greatly affects the sound result. A filter is made based on 3 kinds of components: capacitors, inductors, resistors. In normal use, inductors and resistors are not prone to breakdowns, but some capacitors age badly and need to be changed. Capacitors of "audiophile" quality bring greater transparency to the sound.
The whole truth about speaker cables
Speaker wiring is an important part
whose choice directly affects the performance of your installation. The subject is vast and often tackled on the canvas, we will quickly try to unravel the truth of the false.
Let's start with the nonsense bullshit that can be read on some site a priori deemed serious.The main lie is that more expensive speaker wires and plugs produce better sound than standard, midrange products. One often reads that one should not hesitate to put about 10% of total price of the installation in the cabling. Some will direct you to such cable (usually very expensive) to listen to this kind of music, others will advise you such brand of cable (usually very expensive) to agree with such mark speaker ... Just like for the high Speakers, some will tell you that the cable works best after a certain break-in time ... Others will tell you that the speaker cable has a "sense of use" spotted by an arrow. One side to the speaker, one side to the amp. Yes yes, I read it !
As if the electrons circulated better in one direction than the other!
On the other hand it can be read that 2 x 1.5mm² electrical cable is more than enough for 30 meters lengths, that the 2 x 2.5mm² section is reserved for the power sound system .... Apparently those there have never seen sound equipment!
The truth is simpler, it follows immutable physical laws. The conductivity of a cable is measured by the law of ohm learned at school (for those who went there) I remind for others: U = RI
- The longer a wire is, the lower the intensity of the current passing through it so the value of the electrical resistance of the wire is large.
- The more a wire has a large section, the greater the intensity of the current flowing through it is large so the value of the resistance of this wire is low.
In other words, the section of the cable must be calculated according to its length, it is a simple concrete question of resistance of the cable.
Let's take a simple example of a speaker with an average impedance of 6 ohms. (See article below)
Imagine that a speaker cable has a resistance of 2 ohms, which corresponds to a length of a few meters of cable of small section, connected between the amp and the enclosure with son frayed ends and oxidized, which is often the case.
That would be close to 1/3 of the power that would go unnecessarily in heat in the cable and in addition it would make fall the damping factor of the amp, and consequently it would increase the rate of distortion.
It would be a shame to lose all the benefit of a good audio installation by using cables of a poor quality or section. That would be saving badly placed savings.
Which wire to choose and which section?
No need to put a fortune in the wires, you just have to choose what will be useful.
The wire must have a minimum resistance, for this it will be copper. The wire should not oxidize otherwise its resistance will increase. It will therefore be made of OFC deoxygenated copper. The wire must be easy to use and connect. It will therefore be OFC multi-strand flexible copper.
Note in passing that the multi-stranded copper has an additional advantage over single-stranded copper of the same section. The developed surface of all the strands is much greater than the developed surface of the single strand, which has a favorable influence on the high frequencies, thanks to the skin effect.
Brief explanation: High frequencies are scattered on the periphery of a conductor. The larger the developed peripheral area, the more favorable it will be to high frequencies.
So that the overall resistance of the wire is small compared to the impedance of the speakers will not hesitate to use a section of 2 x 2.5mm² for lengths of 5 to 7 meters and a section of 4 mm² for lengths up to at 15 meters. Do not be afraid to put euros where they will be really useful. If the electrons do not know the mark of the wire, they love to circulate in wire of strong section!
The ideal wire will be equipped at each end with terminals with lugs. These terminations will remove the contact resistances that can be observed with oxidized and frayed wires. No more short circuits and false contacts due to small strands.
The wire must obviously be marked with a mark or a color in order to properly connect the equipment in phase. Black on black and red on red. In the case where the wires are connected in phase opposition, you would not remove the hardware, but you would notice a severe loss of bass
Keep in mind that a good OFC copper wire with fine wires of a 2.5mm² to 4mm² section of medium range with good quality lugs on the amp and speaker side will give you complete satisfaction without breaking the bank. Your ears will not regret every euro spent! But nothing prevents snobs or gullible people from spending more....
Speaker impedance, a notion not easy to understand.
Do not confuse resistance and impedance, although both values are expressed in Ohms (Symbol: Ω). The value of a resistor (Symbol: R) is fixed while the value of an impedance (Symbol: Z) varies depending on the frequency.
What is impedance?
The impedance of a loudspeaker measures the opposition of its voice coil to the passage of a sinusoidal alternating current. The impedance varies according to the frequency, it can vary continuously from 3 ohms to 30 ohms for a 4 ohm speaker as for an 8 ohm speaker.
It is commonly used to speak of loudspeaker of "4 ohms" or "8 ohms". This simplistic measure does not reflect the actual operating situation of the speakers. Indeed the impedance of a speaker is measured at the frequency of 1000 Hz. But this frequency corresponds to the medium band, but for a boomer as for a tweeter that operate in different frequency bands, the measurement will be wrong . Often there is little difference between a loudspeaker called "4 ohms" and a speaker called "8 ohms". It is more interesting to consider the minimum impedance, which is more useful in the case where several speakers are connected to the same amp.
In illustration the impedance curve of this speaker Cabasse 17M18 of "8 ohms" which one measures a real impedance as
- 30 ohms at 50 Hz
- 10 ohms at 100 Hz
- 6 ohms at 200 Hz
- 9 ohms at 1000 Hz
- 16 ohms at 4000 Hz
- 35 ohms at 20 000 Hz
Influence of speaker impedance on amplifier:
Contrary to many people think, there is no "4 ohms" or "8 ohms" amplifier, most Hi-Fi amps accept impedances between 2 ohms and 30 ohms. The amp automatically adjusts to speaker impedance. Just remember that the amp must not operate at a low impedance because a low impedance is forcing the amp, its power is heating up. If 2 pairs of speakers are connected to the amp, it is better to use "8 ohm" speakers.
The use of "4 ohm" and "8 ohm" speakers has two direct consequences on:
- The output power
Output power of an amplifier is directly related to the speaker impedance of the speakers connected to it. The lower the impedance, the more the amplifier outputs watts, conversely, the higher the impedance, the less the amplifier goes out of power.
One might think that 4-ohm speakers are preferable. The problem is that there is a counterpart to this apparent increase in power.
- The sound quality
With a load impedance of 4 ohms, the damping factor of the amp is lower, and therefore the distortion is stronger. Conversely with a load of 8 ohms, the damping factor is stronger and therefore the distortion is lower. The sound quality is better.
At the time when the amps were less powerful than today, the manufacturers favored the speakers of 4 ohms in order to have more apparent power. Nowadays amps are quite powerful enough for a home Hi-Fi installation, hence the interest of using 8 ohm speakers, in order to gain quality.
Power of speakers
Here is another important chapter that is not always well understood because there is a lot of interest in the issue.
- "My speaker is 40 watts and you recommend me a 100 watt speaker."
- Yes and it's not a problem at all, quite the contrary!
A loudspeaker is a passive component, it does not make any power, it only transforms into sound the electrical power that the amp sends to it. If you send 40 watts into a 100-watt speaker, it will always be 40 watts, no more.
The power indicated by the loudspeaker manufacturer is the maximum power the loudspeaker can receive without damage. If you send him less power he will only work better. Who can do the least!
Take the comparison with a car. If a car is capable of driving at 240 km / h it can just as well run at 120 km / h. At this speed the motor will force less, wear less, consume less. It's the same for the speaker. A speaker more powerful than the original one will heat less, it will distort less in a word it will work better.
Speaker power distribution
In a loudspeaker with multiple speakers, the speaker power is distributed among all the speakers but not in the same way.
It is generally considered that there is in the music a percentage of:
65% of bass sounds
25% of medium sounds
10% of high-frequancies sounds
Obviously this average distribution depends strongly on the style of music listened to.
Take for example a 3-way 100 watt loudspeaker, according to our calculation
- Boomer will receive 65 watts,
- Midrange will receive 25 watts
- Tweeter will receive only 10 watts.
Contrary to popular belief, in a 100-watt loudspeaker, you do not need every speaker to support 100 watts. In the case of the tweeter, 10 watts are enough.
But nothing prevents you from selecting a more powerful speaker. On the contrary.
The most important is sensibility
High volume use
Hight power can destroy a loudspeaker if you push too hard the volume, but there is a parameter as important as the power and which is however never indicated, it is the duration of use.
This duration of use is the maximum time during which a loudspeaker can operate at its rated power without burning.
To inflate the numbers, some manufacturers announce the power that the speaker is able to support for a millisecond! What's the point ?
It's rare to listen to just a millisecond of music!
In operation a speaker transforms part of the current from the amplifier into music, which is normal, but it also transforms a large part of this current into heat, which is much more embarrassing. The more you turn up the volume, the more you push the watts, the more the speaker heats. The speaker is intended to dissipate this heat to a certain extent. Beyond this limit, the speaker accumulates more and more heat until its voice coil burns.
If you operate a loud speaker for five minutes and then lower the sound, the speaker coil will not have time to heat up. If you run the same speaker for one hour, the coil will heat up, but then it will have time to cool down. If you operate the loudspeaker all night long, the heat will accumulate more and more, it will not be able to evacuate and when the heat will reach 150 ° to 200 ° in the heart of the speaker, the coil will burn. This is the first cause of early death in loudspeakers.
The loudspeakers used in clubs are equipped with cooling systems in order to be able to work thoroughly and continuously without burning.