Offered for your consideration is one CTS Alnico magnet 1½ inch dome tweeter that was manufactured for Audio Dynamics’ ADC 303A speakers in 1967. As you probably know, CTS was a major supplier to the domestic speaker industry from the late 1950’s through the 1970’s. Based on the EIA source/date code on the large magnet cover, “137 706”, this tweeter was made by CTS (137) in the 6th week of 1967. I had never seen a CTS dome tweeter previously, so I believe this is a rare high frequency unit. I’ve owned ADC 303A’s made a few years later and they did not use this dome unit but rather CTS paper cone tweeters, so if youre buying it to replace a blown tweeter in your 303A be certain this is the version that you need. Please see my large photos and read the remaining description to decide if this uncommon CTS dome tweeter is correct for your needs. This tweeter is in clean, excellent condition. The clear poly dome with poly suspension ring is in great shape with no dents or dimples, just some errant factory assembly adhesive visible. Also, the upper perimeter plate had a bit of rust so I carefully unscrewed it from the frame, cleaned it, and then applied a few light spray coats of matte black enamel before reinstalling. In addition, the anodized steel basket and magnet cover have only light oxidation and there’s some factory assembly glue visible. Plus, the magnet cover has aluminum dust shields which add a very nice touch. And, I’ve left a good, usable length of the factory +/- terminal input wires for the new owner’s convenience. Overall, this early CTS dome tweeter is quite nicely preserved. Most importantly, it’s been fully tested and sounds very clear and detailed with crisp highs rated to a sparkly 20kHz by ADC. Plus, I tested its DC resistance at 6.9? consistent with a nominal 8 ohm driver rating. And, the black faceplate measures 3½” in diameter, the galvanized steel flange is 4” diameter, and the whole assembly stands just over 1?” tall. Lastly, there are no mount holes on this tweeter design—it is secured from the rear of the ADC 303A cabinet with retention clips. For anyone considering this tweeter for a speaker-building project, I still have those cabinet mount retention clips and will include them if you ask for them in writing at time of purchase. So, as pictured and described, this early, scarce CTS dome tweeter made for ADC is offered at a competitive price. Terms of Sale: I encourage interested parties to ask any questions they may have about this listing before committing to purchase. Payment is due at checkout by PayPal or other accepted methods. U.S. mailing addresses will pay $9.95 for very carefully packed shipping via U.S. Postal Service, FedEx, or UPS with tracking and delivery confirmation. International purchases accepted only from those who are able to pay with PayPal including shipping by U.S. Postal Service First Class Parcel Air Mail. Thanks for looking! *the cabinet decal photo is presented only for donor model reference

ADC sound shaper two IC equalizer 2 knobs missing as seen in photos

Bonjour, précédemment Ingeltechavec 100% et 496 EVALUATIONS POSITIVESADCStereo Frequency Equalizer Sound Shaper Two MK2+ Câble dalimentation intégré / Power cableBONNE CONDITION / GOOD CONDITIONDes traces d’usage apparaissent, mais peu, voir mes photos et vidéo :Traces of use appear, but few, please see my photos and video :https://www.youtube.com/watch?v=YtRQh7e53u4&t=203sFONCTIONNEMENT COMPLET / FULLY WORKINGLIVRAISON SECURISEE / SAFE PACKAGING ADC - AKG - AUDIO-TECHNICA - DENON - DYNAVOX - EMPIRE - GARRARD - JELCO - LENCO - MICRO SEIKI - ORTOFON - PICKERING - REGA - SHURE - SME - STANTON - THORENS 3A - AUDAX - B&W - BOSE - CABASSE - CELESTION - CERWIN WEGA - DITTON - ELIPSON - FRANCE ACOUSTIQUE - HRC - INFINITY - JAMO - JBL - JENSEN - JM REYNAUD - KEF - KLIPSCH - LANSING - LEAK - LES - MAGNAT - MARTIN - MERCURIALE - MISSION -ROGERS - SIARE - TAD (PIONEER) - TANNOY - TRIANGLE - ULTRALINEAR - WHARFEDALE 3M - AGFA - AMPEX - BASF - FUJI - MAXELL - MEMOREX - NAGRA - NAKAMICHI - SCOTCH - SONY - TANDBERG - TDK A&R CAMBRIDGE - ACCUPHASE - AIWA - AKAI - ALPINE/ALPAGE - AMSTRAD - ARCAM - AUDIO RESEARCH - AUREX (TOSHIBA) - BANG & OLUFSEN (B&O) - BARTHE - BENYTONE - BLAUPUNKT - BOSE - BRANDT - BRAUN - BRYSTON - BST - CAMBRIDGE AUDIO - CARVER - CONTINENTAL EDISON - CREEK - CYBERNET - DAVID HAFLER - DENON - DUAL - DYNACO - ELECTROCOMPANIET - EMB - ESART - FERGUSON - FISHER - GRAETZ - GRUNDIG - H.H.SCOTT - HARMAN/KARDON - HITACHI - ITT - JEFF ROWLAND - JVC - KENWOOD - KRELL - LINN - LOEWE - LUXMAN - MARK LEVINSON – MARANTZ - Mc INTOSH - MERIDIAN - MICROMEGA - MITSUBISHI - NAD - NAIM - NAKAMICHI - NEC - NIKKO - NYTECH - ONKYO - OPTONICA (SHARP) - PALLADIUM - PANASONIC - PATHE MARCONI - PHASE LINEAR - PHILIPS - PHONOPHONE - PIONEER - PROTON - QUAD - RADIOLA - REVOX - ROTEL - SABA - SAE - SAMSUNG - SANSUI - SANYO - SHARP - SCHAUB-LORENZ - SCHNEIDER - SCIENTELEC - SETTON - SHERWOOD - SIEMENS - SONY - SOUNDCRAFTSMEN - STAX - STUDER (REVOX) - SUGDEN - SYMPHONIE - TASCAM (TEAC) - TEAC - TECHNICS - TELEFUNKEN - TELETON - TENSAI (AKAI) - THOMSON - THRESHOLD - TOSHIBA - UHER - UNIVERSUM - WALTHAM - WEGA - YAMAHA

Vintage ADC Sound Shaper Two Mk 1 SS-2 Stereo Frequency Equalizer. Unit was in a garage for many years and does show its are with some corrosion. Unit works great please see pictures for further details and condition no returns

selling one adc sound shaper Mark IIl it is in good shape was working when put away a few years ago the only thing is the by pass eq knob does not hold solid the clip inside is broken as shown in pic it will hold alright if you insert a small piece of paper or something like that then push it on sold as-is because of older electronics

Vintage ADC Sound Shaper Two Mk 1 SS-2 Stereo Frequency Equalizer. Works Great

Egaliseur hifi Vintage marque ADC sound shaper two mk2 Fonctionne Potentiomètre nettoyés Il sagit dun 2 *12 voies Idéal chaîne hifi vintage