Auction is for (4) GEC KT-66 Power Tubes The tubes test as new. The tubes test 42, 40, 40, 39. Tested on my TV7D reject is at 25. Tubes tested very strong and will give a long life of use. I will star

 

This Sony SQD 2050 can be hooked up to a number of component stereo systems to give quadraphonic sound. I did some limited testing. The unit powers up. I then set it up with a Heathkit AP1800 preamp r

 

This is from my grandfather's estate. He was with Goodyear in South America as a general manager for their plants. I've tested it and the battery has charged and held for me as well as the rewind butt

 

One RARE RCA VT-231 6SN7GT Round Plate Oval Mica Black Glass Tube Match TV-7D/U Reading - 72/42; Min - 50/50 Made in USA by RCA You are bidding on One RARE RCA VT-231 6SN7GT Round Plate Oval Mica Blac

 

2 Tung-Sol 6SN7GT Tubes,identical pair USA mouse ear manufacture-1 NIB-1 white boxed-TV7 tested-test nil for shorts TV7 tested : 50/50 is minimum TEST : 92/90 and 92/90 NO LONGER SHIPPING FIRST CLASS

 

This AM/FM/TV Vintage Receiver is missing it's original packaging & manual, but is in almost new condition. Works fantastic, and would be a great foundation for any vintage audio system. Made in '

 

Here is a quad of used Amperex Bugle Boy 12AU7 tubes. They test good on my on my B&K 707 tube tester with no gas or shorts..Due to past experiences with buyers plugging new tubes into broken ampli

 

Vacuum Tubes, pair Ken-Rad "6V6GT" and "0-39 188-5" on base Condition unknown, but inherited from electronics engineer, so I am confident all is well. I am of course willing to guarantee this item.

 

YOU ARE BIDDING ON A REALLY NICE USED VINTAGE JVC FM/AM 4-CHANNEL STEREO RECEIVER WITH ORIGINAL BOX AND WOOD CABINET.MODEL # 4VR-5456X.MADE IN JAPAN.AC 110, 220V, 50/60Hz AND 190 WATTS.THIS JVC FM/AM

 

100 PIECES TYPE 6AK5 / 5654W ROUND GETTER PENTODE TUBES MADE IN THE USA GREAT FOR AMPLIFIER BUILDER PLEASE ASK ABOUT OUR OTHER NOS NIB TUBES FOR AMPLIFIERS.. WE HAVE OVER 100,000 IN STOCK SELLING OUT