My setup Quad ESL 57 audiophile
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.
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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
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 ESL 57 speakers. Rebuilt Photo 1377390 Aussie 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 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.
Quad ESL 57's fully restored in black Photo 583572 US Audio Mart
The Quad Electrostatic Loudspeaker (ESL) is the world's first production full-range electrostatic loudspeaker, launched in 1957 by Quad Electroacoustics, then known as the Acoustical Manufacturing Co. Ltd. [1] The speaker is shaped somewhat like a home electric radiator curved slightly on the vertical axis.
Quad ESL57 electrostatic loudspeaker Hifi, Loudspeaker, Esl
QUAD produced approximately 55,000 of the original electrostatic from 1957 to 1985. It was the world's first full-range electrostatic speaker. Overall the design is quite reliable contrary to what has been claimed.
Quad ESL57 with stands (read whole ad) Photo 2623708 Canuck Audio Mart
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 speakers. Rebuilt Photo 1377387 US Audio Mart
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
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 ESL 57 speakers. Rebuilt Photo 1377387 US Audio Mart
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QUAD ESL57 Photo 1726543 Aussie Audio Mart
The speaker (later dubbed the ESL-57) weighed in at around 16kg and measured 800x875x267mm (hwd). Frequency response was a claimed 45Hz- 18kHz while dispersion was said to be approximately 70ยฐ in the horizontal plane and 15ยฐ in the vertical. Mains consumption was given at 6W.
Quad ESL 57 speakers. Rebuilt Photo 1377387 US Audio Mart
The Quad ESL-57 thin diaphragm provides low sound distortion. The unit is highly directional, especially in the treble range, so they must be angled inward. The up-side to that is when they are at an angle, a "sweet spot" is formed where you can locate the soundstage easily by the tones.
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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 Quad ESL 57 Serviced by ESL labs in Roermond Nโฆ Flickr
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 Photo 1036369 Canuck 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.