made in Hungary Super Low Noise & micro phonics; very quiet excellent tubes smooth and air; warm yet great dynamics

 

A pair of TELEFUNKEN AD1 tubes with very good emission 79ma/80mA at ug -45V and Ua 250V . Sockets in perfect condition, not loose. Also no loose parts inside tubes. Test data will be provided to buyer

 

Here one 572b 113% Penta-L Electron Tube for sale as i had two but drop the other an it broke i sold my linear that ran these cause i had extra so here a new one use once just too see its watts an its

 

vintage quenched spark plate 5 inches long and 3.5 inches wide and 3/4 all I know is its from engineering lab and I found the drawing in a folder that deals with tesla coils ,I have no idea why there

 

All antiques and vintage items are selling as is, I will try to describe them in the best possible way. SONY TC 270 Stereo Recorder 3 speeds The auction is for great vintage reel to reel recorder made

 

You are buying: 4 Strong Assorted 6LQ6 / 6JE6C Tubes made in USA Tested at:GE - 100DuMont - 100Sylvania - 100International - 98Minimum of 55 on the Tester. Also tested and worked good in our equipment

 

I'm a collector and there is always the problem with space, so I'm selling some items. Fully tested & functional. It has 2 plugs to plug it in to a radio, with a switch to mute the speaker. I have

 

R&A 12 Inch Speaker These items came from a large collection of material the owner acquired over the years. Condition: Tested crackle sound present, good physical condition. Has small repair to th

 

I HAVE FOR SALE (1) HEATHKIT MODEL V-7A VACUUM TUBE VOLTMETER. THIS UNIT IS IN GOOD CONDITION. I have tested a few batteries with it with no problems. INCLUDED IS (1) SET OF PROBES IT MEASURES 4 1/2 X

 

Pilot FM 530 Tube Tuner Excellent Original Condition This is a beautiful piece. It is in excellent overall condition. It appears 100% original & untouched. I powered it up on a variac to be safe,