MARANTZ MODEL 18 WITH SCOPE UNIT NEEDS WORK OR PARTS I bought this unit to restore because i love them.i think they have the best sound anyway just got to busy restoring a house instead so the unit ha

 

1 x ECC81 (12AT7) TELEFUNKEN BERLIN - W. Germany in box code on tube: B2213024 <> 100% emission no shorts/ grid leakage (tested on Sencore Mighty Mite II - TC114 Tubetester) Shipping - insured A

 

Here have available new display lamp that I had custom made for the Studer A721 tape recorder. As seen in the photo below it makes the display glow blue. To install the lamp it is best to cut the old

 

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

 

BOGEN Sonotone 7025 Similar to a 12AX7 but designed for applications critical as to noise and hum Great guitar amp replacement for the 12AX7 Note: Emission Tests made with Sencore MU150 Tube has ribbe

 

We have been consigned by a well-known Connecticut radio and audio collector to offer this pair of RCA RADIOTRON 5U4G VACUUM TUBES at auction. All tubes are fully tested using a Heathkit tester and ar

 

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supremeWinning bid Will receive actual item or items pictured. Please examine photos closely & ask any questions before bidding. All sales are final. As is. Where is. Absolutely no returns. Combin

 

vintage General Electronics radio AM/FM /clock. model no. 7-4305f Tested, alarm, music alarm clock and radio works great has all the knobs time changes, no problems. no stains, no cracks and no dents.

 

Auction is for Four OA2WA Philips ECG vacuum tubes. All 4 have the same date of manufacture which is in 1952. These were made by Philips in the USA. New old stock tubes. Not in original boxes. Note th