Quad ESL 57's fully restored in black Photo 583572 US Audio Mart
The ESL-57 was Quad's first ever electrostatic loudspeaker. Introduced in 1957, it is still popular today, retaining value as a classic. However, the '57 was always a little fragile and most around today, with a good forty years use under their belt, are barely working. One Thing provide a unique rebuild service for this loudspeaker: they.
Quad ESL 57 Black pair with all new panels from Quads Unlimited. Photo 241054 Canuck Audio Mart
Quad ESL-57 Review Loudspeakers / By John Browning This legendary electrostatic still has a magical quality to it fifty-seven years after development began. In comparison to other loudspeakers of the time, the ESL-57 provided excellent clarity because to its mix of superb sound quality and attractive appearance.
Used Quad ESL 57 Floorstanding speakers for Sale
The Acoustical Manufacturing Company's Quad ESL-57 was the world's first production full-range electrostatic speaker. It debuted in 1957 when hi-fi speakers were big boxes and used moving-coil drivers, so the ESL-57's flat-panel, downright minimalist design not only looked like a radical advance, its thin-film diaphragm's low-distortion and lightning-fast transient response sounded.
Quad ESL 57 speakers. Rebuilt Photo 1377387 US Audio Mart
Quad ESL 57 Speaker Review Of 19576 Classic Electrostat Quad ESL 57 Speaker Review [Retro] Equipment Reviews, Speakers 1994 Let's talk about the Quad ESL57. I don't recall the exact year, perhaps around 1994, when I first encountered the legendary Quad ESL57. This was in a day before the internet had infiltrated all our homes.
Quad ESL 57 Quad ESL 57 Serviced by ESL labs in Roermond N… Flickr
Description: In 1957, Peter Walker's U.K.-based Acoustical Manufacturing Company announced production of the world's first full-range electrostatic speaker. It was called the Quad Electrostatic Loudspeaker and sold for £52 pounds. The ESL was designed for monophonic reproduction but later modified to improve its dispersion for stereo.
Quad ESL 57 speakers. Rebuilt Photo 1377387 US Audio Mart
Quad ESL-57: The Original Electrostatic Speaker Bob Ankosko | Aug 13, 2020 The Quad Electrostatic Loudspeaker (a.k.a. ESL-57), revered by critics the world over as one of the most natural sounding speakers ever built, may well be the most beloved speaker of all time.
QUAD ESL57 Photo 1726543 Aussie Audio Mart
In the Quad ESL-57 (common, erroneous nomenclature; the factory only referred to it as "the Quad Electrostatic Loudspeaker"), the speaker utilizes a step-up transformer to couple output of an amplifier to the plates. Unlike many ESLs, the QUAD is not a "one-way" design, but has a tweeter panel surrounded by woofer panels on its left and right.
My setup Quad ESL 57 audiophile
Quad ESL 57 Floorstanding Speakers DESCRIPTION electrostatic loudspeaker Next 10 Showing 1-10 of 35 [Apr 02, 2020] audionerd Strength: There is an alluring sound of the speaker because of the dipole effect; however, the goodness ends there. Weakness: There are some inherent weaknesses in electrostats.
QUAD ESL 57 Photo 1036369 Canuck Audio Mart
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Quad ESL 57 speakers. Rebuilt Photo 1377390 Aussie Audio Mart
The Quad ESL-57 is a dipole speaker without an enclosure. Challenging for the amplifier The Quad ESL-57 is no easy task for an amplifier. Firstly, it is woefully inefficient: the speaker has a sensitivity of 83 dB at 2.83 volts. Impedance fluctuates between 150 ohms at the lowest frequencies and 1.8 ohms at 20 kHz.
Quad ESL57 with stands (read whole ad) Photo 2623708 Canuck Audio Mart
With the Quad ESL-57s, the conversation always turns back to their endearing sound. "The ESL-57 is a full-range speaker with sizable low-frequency panels that put out quite a bit of bass," Zorrilla observes. "It's surprising. It has a narrow sweet spot (with two speakers playing) but sounds incredibly realistic.
QUAD ESL57 Photo 1726547 Aussie Audio Mart
Since Peter Walker launched the his first Quad ESL in the mid 50`s of last century, the ESL57 is one of the mostly appreciated speaker ever. The QUAD ESL became synonymous with the phrase "for the closest approach to the original sound" QUAD Musikwiedergabe delivers refurbished ESL57`s worldwide.
Quad ESL57 electrostatic loudspeaker Hifi, Loudspeaker, Esl
Quad ESL 57 Electrostatic Loudspeaker System (3 reviews) Description Awarded greatest HiFi product of all time by HiFi News in 2000; the Quad ESL delivers some of the most natural, open-sounding mid-band (especially on vocals) you're ever likely to hear. Specifications Type: 2 way, 3 driver loudspeaker system Frequency Response: 50Hz to 10kHz
Quad ESL 57 speakers. Rebuilt Photo 1377387 US Audio Mart
The original Quad is a full-range electrostatic loudspeaker which uses the well-known push-pull grid geometry, but with an important new wrinkle: constant-Q or constant-charge operation. This means that a constant charge is maintained on the diaphragm, usually by using a high-resistivity coating.
Quad ESL 57 For Sale UK Audio Mart
TAS Legacy: Quad ESL-57 Loudspeaker BLOG by Paul Seydor Nov 24, 2017 A A A Since the mid-Forties Peter Walker had believed that the electrostatic principle would be, as he once put it with typical understatement, "a nice way of doing it."
Quad ESL 57 speakers. Rebuilt Photo 1377387 US Audio Mart
The ESL was the world´s first full-range electrostatic loudspeaker. In the 25 years of its production, 60,000 Quads were sold. The design was radical, incorporating panels sandwiching an ultra-thin sheet of PET film. They are 31 inches tall, 35.5 inches wide and10.5 inches wide at the bottom where the transformer and power supply are located.