Up for sale is this vintage 5" Utah Speaker with bellcap. I know next to nothing about speakers, so please message me and I can try to answer any questions! Here's what I can tell you now, it looks un

 

Here are good used RCA Radiotron UX-281 tubes .These tubes have the black plates and the same construction inside. . I tested the tubes on my I-177B Mutual Conductance Tube tester and they both read a

 

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

 

USED BASF 10.5" REEL TO REEL RECORDING TAPEMETAL FLANGE, MODEL 911 BY EMTEC

 

Klipsch Heresy HBR Speakers - Matched Pair - All Original Tweeters: Klipsch K-77 Both stamped 14 824-0137 - One also stamped 505, the other 506 (Solder Type) Midrange Drivers: Klipsch K-53-K Both stam

 

You are looking at a lovely, strong matched pair of Mullard UK A Frame disc getter orange print 6DJ8/ECC88 twin triode tubes from batches GAO B6L2 branded for Amperex. These are identical Mullard UK m

 

Turns on and display lights up, but it hasn't been tested. Front cover that hides controls is missing.Normal wear and tear.

 

Up for auction is a lot of 4 6SL7GT tubes. They have been tested on a newly calibrated B&K 707 for mutual conductance where 22% is minimum good. They test as follows RCA 42/45, RCA 55/50, RCA 40/4

 

80 Blank Program Cards for HP 82104A Reader. Cards can be used with the HP41, HP67, HP97 and Hp65. Cards are unused. No international shipping.

 

For your consideration is a match pair (Identical) of Vintage RCA 6X4 slantedD getter Black plates that test as strong. The printing isn't perfect yet is still readable. Test 110+%. *Note to: Internat