Quad esl 57 user manual

They are widely admired for their clarity and precision, but known to be difficult speakers. Quad esl63 full range electrostatic doublet fred loudspeaker description, service, diagnose, repair, schematic circuit diagram, owner instruction manual, am fm tuner, cd player, preamplifier, power amplifier, speaker. The notes in this section are for the guidance of the engineer who has some experience of carrying out repairs to these speakers together with the necessary proper materials for the repair. This is story of marc schutte and his rebuild of this famous quad speakers. Below you will found our manuals on the quad esl57. I retain the ml clx aniversarydescenti combo and a couple of pairs of esl 57s.

The quad electrostatic loudspeaker esl is the worlds first production fullrange electrostatic loudspeaker, launched in 1957 by quad electroacoustics, then known as the acoustical manufacturing co. Many audiophiles have tried other products with the esl 57 and came to even better results than with quad s own stuff. Check out what dover said about adding sequerra ribbons. My longtime portland friend mike spurlock owned a set of the classic quad esl57s, and these were some of the first speakers i measured. We have 1 quad esl 57 manual available for free pdf download. Quad esl 57 manual electrostatic loudspeaker system. For both of these links i am indebted to the most thorough and indispensable of esl57 sites online. Quads loudspeakers do not reproduce very deep bass and will not play at aurally traumatizing volume levels, and. Quad esl63 electrostatic speaker service diagnose repair. Quad esl 57 electrostatic loudspeakers, serial nos. The quad electrostatic speaker consists of five components. Service supplement manual quad esl 57 service supplement manual 11 pages. Log in to store this reply to your account for future reference, and to remove the live user verification test.

Conductive coating the wire electrostatic loudspeaker page. This time no tweaks or mods but a simple refurbishment of a 1960s pair of quad esl57 electrostatic speakers following the quad instruction manual and. Enter the letters you see in the image without spaces. Wayne picquet is the man behind quads unlimited and his attention to detail both cosmetically and sonically in his restoration of these classic speakers have earned him a position of unparalleled respect in the. Batman, the wiring is not colourcoded what can you do. Ive recently bought a pair of quad 57s and hope to get them up and running at the weekend. I had the quad esl for about 2 years and was quite pleased.

Teti 3 comments recently i bought these great speakers and luckily obtained precious original user. Resistance not too high, typically below approx 1010 ohmsqa notable exception is quad esl 57. Address flashback sales 23 highfields crowle scunthorpe dn17 4np united kingdom. To purchase esl 57 spares or accessories, please contact the company via their website or visit an authorised retailer. A quad esl in good fettle is an extraordinary speaker, for my particular favoured genres i. View online manual for quad esl 57 service other or simply click download button to examine the quad esl 57 service guidelines offline on your desktop or laptop computer. Vena ii play wireless streaming integrated amplifier more information artera solus all in one solution more information era1 planar headphones more information slideslideslide. Resistance not too low, typically above 108 to limit change migration. The failed ht units had also been replaced by quad in. In 1959 the esl57 was licensed to the german braun company and sold in germany as braun le1. The quad esl 57 has a peak of more than 50 ohms in the bass. User manuals, guides and specifications for your quad esl 57 service other.

Quad esl 57 electrostatic dispatch time we dispatch within 3 days, mondayfriday postage and packaging we use royal mail 2nd class from penzance on the majority of items 92% of parcels arrived within 34 days excluding weekends we use an independent courier. To start viewing messages, select the forum that you want to visit from the selection below. View and download quad esl 57 service supplement manual online. Yes, the quad 57s dreaded head in vise hf range 1 foot lateral sweet spot. Quad esl 57 electrostatic loudspeakers, serial nos sound great and grilles are in good condition. Quad esl 57 service manuals and user guides, other. The modern line started with the esl63, then was followed by the 988, then the 2805, and then the 2812. Though the esl is often referred to as the esl 57 or esl57, 57 was never officially part of that first models name. Database contains 3 quad esl 57 service manuals available for free online viewing or downloading in pdf.

Sales tax will be charged if the unit is shipped to sold to within new york state, or if you pick it up at the store. Even though in the pictures these german built quads look a lot like the pair i have, they are not. Quad esl 57 manual electrostatic loudspeaker system hifi. Sds audio labs modern quad electrostatic loudspeaker info. The speaker is shaped somewhat like a home electric radiator curved slightly on the vertical axis. Quad electrostatic loudspeaker this loudspeaker is fundamentally different from other loudspeakers and it is essential that these instructions be followed if proper performance is to be obtained. Download the quad esl57 manuals for free hifi manuals. The above words are the property of khz consulting and are not to be copied. The original quad amps and alternative products are discussed here. Because i decided to buy old quad esl 57 and rebuild it, i was surfing on the net and look at the various web pages. Quads solution was to cover an area of about 2 inches by 2 inches around this rivet with a thick plastic shield, to. Ive got a quad 303 i can use, but naturally id like to try out the 57s with other amps ive got access.

Era1 the era1 headphones utilise the latest in planner technology to. Quad esl 57 service supplement manual pdf download. Teti 3 comments recently i bought these great speakers and luckily obtained precious original user manual from the previous and only owner. If this is your first visit, be sure to check out the faq by clicking the link above. August 2012 visit to hdtt studer aria quad esl 57 emotive audio symposium acoustics. To give you an example, lets try a 200 watt ss amp, which does 400 watts into 4 ohms. It is tragic that after all of these decades no diyer have found a way to banish it for good. The beatnik on wayne picquets restored quad esl 57 dagogo. Service manuals, owners manuals, schematics, diagrams, datasheets, brochures online for free download and free to your amplifier, receiver, tape, cd, tuner, turntable and recorder. Actually, he had not just two, but four esl57s, and built the famed stacked quad array. This website is not affiliated with or sponsored by quad. Quad international audio group stroller user manual 12 pages. Amps not to use with quad esl 57 2 channel hifi wigwam.

All material below is from an old quad service manual. Despite certain qualities about the esl63 speakers which you will probably like, quad equipment is not designed primarily for audiophiles, but for seriousmusic call that classical listeners who play records more for musical enjoyment than for the sound. Service manuals, owners manuals, schematics, diagrams. One of finest ls around, better stage compared to my 802d. Here are two interesting downloads on stacking quads. After 500 were produced, the design was modified to accommodate the appearance of stereo records. The acoustical manufacturing companys quad esl57 was the worlds first production fullrange electrostatic speaker. Farrimond, electronics today international, 1975 quad esl mods and stacking c. Having new old stock treble panels would make this repair easier but the bass panel dust covers were split and one panel was possibly damaged. A certain amount of skill is required in this operation. See sam telligs article about arcicis quad stand in the january 1987 issue.

I made this to convey the way that the esls handle the bass on this track. All material below is from an old quad service manual, and is not intended to be highly informational to the novice refurbisher. This point in particular must receive attention before any attempt is made to use the loudspeaker. I had a pair years ago, which i drove with quad iis long gone. It began what i call the modern quad electrostatic loudspeakers. Quad electrostatic loudspeaker this loudspeaker is fundamentally different from other loudspeakers and it is essential that these instructions be. Low added mass unfortunately it is very difficult to find a coating which satisfies all those conditions, so often compromises are not possible to avoid. Quad violated this rule on the esl57 bass panel, and the statortodiaphragm gap is very small at this particular point and the panel is predisposed to arc there. In the 25 years of its production, 60,000 quads were sold. Martin logan clx with and without descentis to taste, sound lab a1u2, quad esl 57. The service manual functions as a repair guide for troubleshooting and sometimes contains tips for refurbishing and modifications. Quad esl 57 for sale in uk 35 secondhand quad esl 57. The only other speaker i think of with so fondly is the sonus faber guernari homage, funny thing it has some of the same limitations of the quads, so that should give you an idea of my. It debuted in 1957 when hifi speakers were big boxes and used movingcoil drivers, so the esl57s flatpanel, downright minimalist design not only looked like a radical advance, its thinfilm diaphragms lowdistortion and lightningfast transient response sounded.