| “Both units were examined carefully, and found to be nicely working and electrically well matched with an audio test. The action and response on these is smooth, no drop outs, flat spots or wear was noticed during test, attenuation increases 2/db at a time, 20 steps total, with a very smooth movement (no clicks) to Infinity (full on) to (off) on the last few steps. Action is firm and precise feeling, with properly smooth deflection observed on Scope, when a 1V signal was applied-- thus indicating these are very low use; even with frequent use, and with only occasional cleaning these will return smooth, neutral, detailed audio performance for the rest of your life.” |
Legendary Daven potentiometers. A matched set of seldom seen, 100,000 ohm (100K) high Z, model CP-350T, they are straight potentiometers for tube input use. Most Daven controls are some form of balanced in-out network, best suited for preamp and line level work.
Rather, these rarer 100K pots, are perfect for Audio amplifier or Preamplifier, Volume controls, where they are usually used directly in-line, with the Grid of the first tube. In this way, you can have a wonderfully smooth, nice sounding way to control the input gain of your tube amplifier. Daven Potentiometers are overbuilt to broadcast playback uber quality and massive in comparison to equally nice sounding Allen-Bradley types, and far superior to cheaper grade CTS and Mallory types used in McIntosh / Marantz and most other HiFi of the 1950s. Western Electric, RCA, and Altec Peerless (as well as Westrex) often used Daven for oem attenutation. If you have the space to mount these in your project, they are the best.
This is an amazingly beautiful set of rare survivors.... in immaculate condition -- from unused Bell System, Western Electric audio equipment. Both units are a perfect match from the mid 1950s -- included are (2) sets of original bakelite Daven brand early style, smooth edge knobs -- and a pair of factory Daven metal plates (marked 0 - 28 and Inf, off)) these Knobs are very heavy, top quality -- they have a few nicks, still beautiful (see exhibit C,D).
The controls seem to be in excellent condition, only a a few minor blemishes from their 50 year age. They are exceptionally original ... most importantly a FACTORY matched pair, as found in early Bell System tube era amplification equipment (see exhibit E & B to read the numbers .. the tags are highly legible)! ...
Both units were examined carefully, and found to be nicely working and electrically well matched. Both were tested by tech for smooth response - operation, as shown on oscilloscope, (no drop outs, or wear spots) -- each peak (see exhibit B) shows a fast turn of the control -- extremely well matched, with flawless attenuation of the 1 volt audio signal (shown in exhibit B,C,D,); they gave a correct 600 ohm reading, on IN / OUT terminals. This model is a Full volume (ON) to Infinity (off), and is buttery smooth and precise feeling, with proper deflection of the signal observed thru each on an scope, these are 20 steps, 2db at a time, Tapering to Infinity (off) at the last step -- terrific for your vintage audio amplifier or preamp Input and many other projects -- they appear and work like new condition units. As removed from NOS/surplus Western Electric audio equipment from the early 1950's. As with all vintage Daven, Shallco, Cinema and Tech Labs precision attentuators -- it's best to ocasionally lubricate/clean again, to avoid any dirt before final install into your project (Daven controls are easily serviceable at anytime, even in-service by simply removing the rear cover, an unique feature of these overbuilt 1950s style commercial controls -- the quality of these is outstanding, meant to last forever with ocassional cleaning). It has been many years since they left the factory and have been stored many, many years -- with simple and occasional cleaning these will return smooth, detailed audio performance to enjoy the rest of your life.
Beginning in the 1930's, Daven assumed market leadership of both wire wound and carbon based and audio controls. By the 1940's -- even Western Electric and the Bell System usually chose Daven for attenuators and potentiometers -- to use in their long run audio, recording and amplification attenuation needs. Daven constructed their products to be used day in and day out -- with and superior lifespan -- they were the finest sounding too. Rediscovered in the DiY audiophile community in Japan nearly 40 years ago -- by now the country has been scoured for these fine audio controls. Matched, minty units like this are very scarce.
Perfect for DiY preamp, amp, phono and even useful for loudspeaker projects. Any where you need the best, 1950's immaculate construction quality (see exhibit B to see have fine the internals are).
Research your project and see if these fit your bill (see specs in exhibit G), double check your mounting dimensions and resistance, and attentuation needs -- if these will work for your next audio project -- or perhaps an upgrade in your system -- jump on them now.
Experienced audiophiles know how rare smooth taper, Daven Potentiometers are -- nice these are and they will sell very quickly...Buy Now to avoid a bidders war.
This is an examined, matched & tested MINT set. They will be professionally packed for safe domestic or international shipment. Please see our 100%, 5 star feedback on all premium vintage audio.
Study exhibit (B) to see an actual unit(s), test papers are included (see above, these controls are rated at 20 steps x 2db (disregard the 28 note on test tags).
This nice pair will sell QUICKLY. Buy now to avoid bidder's war.
See reports (Exhibit A,C,D,E). These are the real McCoy.
From the early days of Broadcast recording audio -- designed for the highest quality, heaviest use, and most demanding precision. Daven attenuators and pots were extremely expensive -- the highest quality construction found ever in worewound precision audio controls.
Originally in broad use in the USA from the 1940s onward, found in early cinema, broadcast radio, recording and the Bell System (Western Electric), and other industrial audio companies of the era (Langevin, Gates, Collins and RCA to name a few). Now preferred, and adored in ultra high end late 40-1960s era home hifi installtions & sytems. Where they performed wonderfully for controling line level audio in certain places (depending on your needs).
The most throughly tested and nicest condition you will see anywhere, and will sell quickly.
Excellent for projects where finest audio quality and a hefty tactile feel is desired.
All 100% happy customers, Guaranteed SAFE ARRIVAL, NO DOA -- please view feedback for testimonials of happy customers.
Professional 5 star packing. We always double box, securely fastened, inner boxes and safest cushioning. Fast overseas dispatch with tracking #s emailed..always!
