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Quad ESL 57 Main / Stereo Speakers
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These Quad ESL speakers are full-frequency range, electrostatic loudspeakers. They feature ultra-thin PET film, coated with a conductive paste and subjected to high voltage. A...Read more
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One Thing restored Quad ESL 57's a fabulous Ebay deal
After my 14 month old grandson decided to push over one of my Quad 57's it stopped working.
I saw on Ebay a pair of One Thing 57's "collect only" I believe as a...Read more
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Best reproduction of acoustic music I have ever heard.
If your favourite fix is thumping dance music, then these speakers are definitely not for you. However, if your taste veers towards music played on traditional instruments and...Read more
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Product Information
These Quad ESL speakers are full-frequency range, electrostatic loudspeakers. They feature ultra-thin PET film, coated with a conductive paste and subjected to high voltage. Adjusting the charge on the stators of the Quad ESL 57 main speakers results in the movement of the PET film and provokes sound reproduction. With a combination of two bass panels and one treble panel, the sound reproduced by these stereo speakers encompasses the full range. Thus, the frequency response of the two-way Quad ESL speakers ranges from 45 Hz to 18 kHz, covering most of the audible range of sound frequencies. The characteristic features of the Quad ESL 57 main speakers include its sonic transparency and minimal distortion. Furthermore, the speakers minimise the resonances of the room. These stereo speakers are used to best effect in large rooms. Furthermore, they have moderate power-handling capabilities and demonstrate moderate bass extension. The radiating surfaces on the Quad ESL speakers have minimal mass, so they store minimal energy for subsequent release. This translates into heightened musical transparency for the speakers.

Product Identifiers
BrandQuad
ModelESL 57

Key Features
Speaker TypeMain / Stereo Speakers
Construction2-Way

Technical Details
Frequency Response45 Hz - 18 kHz
Impedance30 ohm
Sensitivity93 dB

eBay product ID: EPID114137332
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Quad ESL 57 Main / Stereo Speakers
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One Thing restored Quad ESL 57's a fabulous Ebay deal

 | Yes, I would recommend this product to a friend.
Created: 09/01/13
After my 14 month old grandson decided to push over one of my Quad 57's it stopped working.
I saw on Ebay a pair of One Thing 57's "collect only" I believe as a result that they went for far less than they otherwise could have done. They were £736 so not that inexpensive (£1500 from One Thing).

I drove to the far side of East Anglia

It was worth the 300 mile return drive,they were in immaculate condition, I left them on overnight to charge the caps etc. The One Thing 57's came with "Rupert" stands which are about 10" high & £250 on their own: The speakers sound incredible, treble clear, sharp but not digital brittle "valve" clear/clean: Incisive voluminous mids: low low expansive bass 35hz (test CD) not bad for 57's, with a natural bloom, the whole system is now even more phase coherent, I have a Chesky CD test disc, which s well produced it shows there is more height & width than before included is a test that I used to use setting up multiple speaker car sound systems.


Using this test on my system. A group of musicians enter a chapel from a door on left, walk along an aisle playing Elizabethan instruments, they then walk 3 times around the microphone at which point your head is placed; you can actually hear them walk around around your head, first time I ever heard it work with stereo ie 2 speakers, I played it for my son John jnr, I was standing o/s the lounge door and I could hear the musicians process along the room eerie!


Above all the system has a synergistic feel in that the sum is greater than the individual components: I have tried all sorts of music chamber, female vocal & orchestral it even made a good attempt at the Bach toccata & fugue in D minor. I have run out of superlatives thankfully not LP's









John
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Best reproduction of acoustic music I have ever heard.

 | Yes, I would recommend this product to a friend.
Created: 15/01/14
If your favourite fix is thumping dance music, then these speakers are definitely not for you. However, if your taste veers towards music played on traditional instruments and vocal music, then you will be delighted by these astonishing speakers. They simply are the best for uncoloured reproduction, spacious imaging and easy engagement with the musicians. The sound you hear is totally realistic and revealing of the performance, and the chain of electronics from microphones to amplifier. For the latter reasons there is every point in using valve technology, and the best DAC, or indeed using old fashioned records. Yes, the scratches will be reproduced perfectly!

If like me, the quality of the sound you put into your ears is important for your enjoyment, then you will be able to accept the down-side of these beautiful speakers. They have a very narrow sweet-spot. Only room for two sitting close! Also, the room in which you lounge, should be large. The speakers must be permitted to radiate sound at the back, and thus need to be placed well forward from the wall. Imagine an equilateral triangle of speakers and yourself all placed three feet back from the walls, and you will get an idea of the required topology. Naturally you will also need plenty of sound absorbing furnishings, cushions and so forth to reduce unwelcome reflections and for coziness too. Let's call this the perfect music room!
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Best speakers in the world for £500 - simples

 | Yes, I would recommend this product to a friend.
Created: 05/01/13
After years of spending 1000's on HiFi, and after several house moves in which it all went on Ebay (Linn / Naim / AE1 / KT88 valve amps / Mirage floorstanders) I went for an aged Quad system, 33 / 303 / FM3 and ESL57's. It's superb and looks great, there's no point upgrading, it works, it is amazingly musical. These go louder and deeper than I expected, despite their reviews. Don't use them with big transistor amps however, you'll blow the lot up.

The best loudspeakers in the world for around £500 - doesn't get better than that.
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A truly timeless classic becoming much sought after despite their age

 | Yes, I would recommend this product to a friend.
Created: 08/08/12
I had a pair some years ago ,they have a mesmorizing transparency of sound with an unrivalled midrange ,they are not for bass freaks but with classical and jazz trio and the like they are fantastic, they are rated at 40 watt and can be over driven and can arc actually causing visible sparks .A Quad 405 has limiters in circuit in use with these but sensible use should cause no problem,s as with 63,s make sure they have had a recent service to avoid a large bill Quad have an excellent service department despite this being a 45 year old design they can be repaired. These are more transparent than the 63,s which I have ,however the 57,s are critical on listening position but when you sit dead centre the imagery is amazing, a beautiful musical speaker and a great investment when a good pair is located.
4 of 4 people found this review helpful.
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The Finest Hi-Fi Product of all Time

 | Yes, I would recommend this product to a friend.
Created: 22/10/12
I've owned 3 sets of these speakers over the years and always come back to them in the end. Partnered with a valve amp (quad 2's) and a good source they are truly unbeatable. I have had Martin Logans, Usher Dancers and currently use an all Meridian system and nothing compares to a well set up pair of 57's. You need space front and back, at least 1m behind them. The listening position is critical and the best sound and placement of musicians is likely to only be experienced by one listener in the sweet spot. When buying don't be fooled by "all original", and sequential serial numbers. By the cheapest pair you can find, working or not, and have them FULLY rebuilt by One Thing Audio; anything else is an absolute waste of money. I have never heard a pair of "orginals" sound anywhere near as good as a rebuilt pair and I have heard a lot of them. You'll pay £1200+ for the rebuild and stands but the sound is amazing. Don't believe what people say about the base they haven't heard a rebuilt pair.
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