This is a used Mullard KT88 vacuum tube. Tested strong. I use a Sencore tester and it has been reliable. Check feedback. Some customers have used their own testers and have been pleased with my result

 

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

 

Up for bid is a barely used Pioneer CLD-D406 Laserdisc Player. It has been in storage for several years. It looks like a new unit and powered up just fine. Because it has been stored for so long and I

 

One owner, Tech cleaned and tested and fully working. I always loved this model with the two tubes visable from the front. Luxman LV-105 Integrated Amp in Absolute Mint Condition. Complete W/Original

 

For auction, a KLH model 8 tube FM receiver in excellent physical and working electrical condition. It is completely original other than the new power cord. The original one was only 13" long and it h

 

You are bidding on one Collins 212Z-1 remote microphone mixer amplifier in very good condition. It is contained in a case similar to a portable typewriter. The unit dates to 1958. Solid state internal

 

You are bidding on a vintage MCS 3865 integrated amplifier and matching 3710 tuner. These were made by NEC and the amplifier is the same as a NEC AUA-8000. They are both in amazing condition with the

 

This is a matched pair of RCA type 6146W vacuum tubes, new old stock in original boxes. They are tested on our Hickok USM118B at 73-75, where minimum good is 50. Unused tubes usually read from 75 to 8

 

This auction is for the above pictured vintage circuit board. It measures approximately 2 3/4 X 2 3/4 inches. As can be seen in the photo it contains 3 Blue Raytheon 2N113 CK761 Transistors and 4 Blac

 

tablecloth_etc store SYLVANIA 5Z3 TUBE I list my items on Sundays, Tuesdays, Wednesdays and Thursdays. Check my auctions often and I am sure you will find what you are looking for. Tubes are tested on