These are a matched Pair of STC Brimar  12AU7 ECC82 Ribbed Plate Twin triode tubes..  . These tubes were  tested on an AVO 163. The test for a new ECC82  is  10.5/2.2   each side .  These tubes

 

Vintage Marantz 2270 Stereo Receiver The 2270 receiver powers up and lights up and that was as far as I tested it No Reserve Illinois buyers must add 9% sales tax On Aug-01-13 at 09:05:22 PDT, seller

 

Heathkit VFO VF-1 Variable Frequency Oscillator Yes, today we have here the last of a large estate sale lot I purchased in the spring. This 50's Heathkit VFO is in good physical condition, it comes as

 

This little red record player is dated Nov. 1978 and is still in its original box and has never been used. Like new except for the foam on top of the turntable that is disintegrating due to age but co

 

THIS LITTLE SWEET SOUND MARANTZ 2215B RECEIVER IN EXCELLENT SHAPE ORIGINAL WORKING CONDITION. BUYER PAY SHIPPING $45 IT TO USA. $90 FOR OVER SEA BY SHIP !!!

 

Here are 25- Vintage Pyramid IMP "Black Beauty" Capacitors usedThey have not been tested. I'm happy to combine shipping costs on multiple winnings. Good Luck! Please take a look at my other auctions.

 

Description 1 Piece DC power supply capacitors filter PCB, for upgrade your preamplifier or amplifier.The design can be configured as normal capacitive filtering, or CRC, or CLC filtering, depending o

 

This unit has been tested as in working condition. It has a brand new audio technica cartridge. It comes with detachable ground wire. Original not available; one has been fabricated. It does not come

 

Up for auction is a lot of 9 6SN7GT GTA GTB tubes. They have been tested on a TV7-D/U for mutual conductance where min. good is a reading of 50/50. They test as follows not sure GTB 110/118, Raytheon

 

jockman7 Store A Rider Publication-Receiving Tube Substitution Guide Book by H. A. Middleton. This is a first edition copy from 1950. This publication iss a greatly enlarged and revised edition of the