This auction is for two (2) Realistic model Electrostat-III tweeters. These are used, untested units. These are untested units are being sold as-is, without warranty. Returns are not accepted. Please

 

For auction is a Heathkit IG-18 tone generator. I believe these units we produced between 1969 and 1973. It is capable of generating sine and square waves. I used it to diagnosis and bias tube audio a

 

You are bidding for the following mil spec items: 8 of - 8 pin tube socket by Americal Phenolic Corp Chicago 4 of - 4 pin tube socket by Americal Phenolic Corp Chicago 8 of - Birtcher clamp holder 4 o

 

UP FOR AUCTION IS A VERY UNIQUE AND INTERESTING LOT OF NATIONAL RADIO INSTITUTE (WASHINGTON D.C.) MANUALS AND MEMORABILIA. FROM 1951 THE LOT INCLUDES A COMPLETE BINDER CONTAINING CORRESPONDANCE BETWEE

 

Vintage Acoustic Research AR-2ax Speakers Audio Classics, Ltd. If you are looking at this listing you probably already know what these are. Our speaker guy has replaced the foam surrounds on the woofe

 

4 Vintage RCA 5814A Command Tubes Lightly Used, Testing as NOS These tubes are tested in my Military Hickok Cardmatic USM 118A just to be sure and all tests were perfect. All 4 of these tubes was made

 

You are bidding on a working ZENITH R472 VINTAGE TOUCH N SNOOZE CIRCLE OF SOUND RADIO PEDAL CLOCK ALARM...This has been tested and works ...Sounds good alarm works and has a cool red display great for

 

I am offering for sale 2 Lab Matched Pairs of 5881/6L6WGB Red Base Vacuum Tubes. That's 4 each 5881/6L6WGB Tubes in two matched pairs. 4 tubes total! These were originally purchased from ARS Electroni

 

4 Mullard 12AU7A Tubes,quad UK manufacture-selling as used-TV7 tested-test nil for shorts TV7 tested : 56/56 is minimum Test : 112/108,106/100,102/100 and 94/94 Always willing to combine shipments

 

Good Day to you and thanks for stopping by. Please read description carefully. Up for auction today we have 2 Pcs of beautiful CEI 7F7 tubes. These beauties are new in original box, and have never see