KEN-RAD BLACK GLASS 6SN7GT VT-231 You are looking at a strong pair of 1940's production KEN-RAD 6SN7GT VT-231 vintage tubes. One of the tubes branded RaytheonThe tube is easy to recognize because the

 

The Harman/Kardon 50+ is a 1973 AM / FM Stereo - SQ Matrix quadraphonic receiver that can be switched between quad and stereo using a control on the back of the unit. In stereo the system puts out 25

 

In perfect working condition. Looks almost brand new. Shipping in original box. Product Details:Head Configuration2 Head Design4 Track / 2 ChannelTapeAutomatic Tape Type SelectionChrome Tape Capabıli

 

Top of the line in 1975. Serial #1284. 1 non-smoking owner, in dry storage for more than 30 years. In good working and cosmetic condition. Untouched except for lamp replacements. Tested just prior to

 

This is a set of 4 used 6SN7 GTB audio tubes, with 3 other 6SN7 tubes thrown in for free because the lettering has rubbed off. All 7 tested good on a Hickok tube tester.Will ship in a medium flat rate

 

The good news: The Merc 1000 is one of the easiest testers to use, it does a great job, and I've enjoyed it a lot. All the manual, tube chart, supplements, etc. are included, a big stack o paper. The

 

Selected Specs: 8 ohm power = 150w DIN 8 ohm power = estimated 135w RMS dynamic headroom = 1.5 dB 8 ohm dynamic power = estimated 225w (or 200w if being super conservative) current = 36 amps peak to p

 

Description Audio input selector module board, with 12V DC voltage regulator.This item has been assembled, and electrical test passed. 4 Dual channel input, 1 dual channel output.Led indicator for eac

 

This auction is for a vintage remote control for a Pioneer sx 2500 receiver. It includes the original Cds lamp unit plug. Also included is a bag of misc. parts that may or may not be for a sx 2500. Th

 

Here is what I know. The tuning needle is missing, but presumably inside the case, on the bottom. The tuning string must be broken, because the tuning dial just spins and spins. I did not try hooking