Both the Owner's Manual and the Advanced Functions Handbook for the HP 15C in the preferred spiral-bound format. The covers show discoloration that I think is mainly from age. Please look at the pictu

 

This is a Marantz model 2245 receiver in great working condition. It sounds amazing and easily hooks up with every speaker I have tried. Some of the LED's on the front are out and need replaced. The f

 

Two 815 tubes sold together. They are used but test good. Sold as is, no returns. Posted with eBay Mobile

 

REALISTIC STA-2100 THE LARGEST STEREO RECEIVER EVER MADE BY REALISTIC. THIS UNIT HAS ALL ORIGINAL KNOBS AND A VERY CLEAN, BRIGHT, AND UNBLEMISHED FACE PLATE WALNUT CASE IS IN GREAT CONDITION WITH THE

 

You're looking at a Cunningham CX-345 Tube. This tube tests at 1450 on my TV-10/U where the minimum is 1170. You will get a test sheet with each tube you have purchased. They are being sold in "as-is"

 

looks like alligator skin on outside rough shape but might be good for parts

 

Used tubes, tested and matched in pairs. National branded 6CA7/EL34, made in East Germany by RFT, who also made Siemens tubes. Both pairs are closely matched to each other, and could be considered a m

 

Vintage Atari 12 Digit Lap Top Folding CalculatorSolar poweredFlip-down stand for screen12 digit LCD screenShipping and PaymentsPayments are required within 48 hours of auction end. Buy it now require

 

3 Vintage Raytheon 6L6GB Tubes 1 NOS & 2 Used Testing NOS These tubes are tested in my Hickok AN/USM-118 Military tube tester! This tester is what the professional use in the tube business and is

 

This is a new old stock pair of 12AT7 vacuum tubes made by General Electric. Both have an April, 1964 date code on the glass. These are fully tested and matched within 5% Gm on our Hickok USM118B Card