Here have available new display lamp that I had custom made for the Studer A721 tape recorder. As seen in the photo below it makes the display glow blue. To install the lamp it is best to cut the old

 

NATIONAL UNION ( NU ) 6113 / 6SL7 TUBE , Selling as used but may be New Old Stock. No Box. SIDE "O" GETTER Black Smoked Glass. MADE IN USA. Tested Good at 102% on my Sencor TC142 Tester. Check out my

 

Here is a vintage RCA Model MI-11712 "Bridging Transformer". Cosmetically in good condition, but the transformer is untested. There is red marker on one side of the unit. Please see photos for details

 

Vintage BANG & OLUFSEN FORM 1 Earphones absolutely NEW! These FORM 1 earphones were bought in the 1990's in the central Bang & Olufsen store in Athens in Greece. They were never used and are c

 

MIXED LOT OF 8 METAL VACUUM TUBES THAT INCLUDE: 2-GE 6J5 1-GE 6F5 3-RCA 6J7 2-RCA 6F6 ALL TESTED STRONG ON MY HEATHKIT TC-3 TUBE TESTER SATISFACTION GUARANTEED

 

For sale is a beautiful and matching quad (this is QUAD II) of Mazda Belvu NIB and unused EL84 / 6BQ5 tubes. All are brand new, with original boxes, have identical date codes 5920 (which indicates 20t

 

This auction is for one Ken Rad 6SN7GT tube, but you will receive two tubes. Both tubes test more than 80% output on both triodes on my tube tester, but the second tube has a rattle inside the envelop

 

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

 

Hi, here is a nice vintage Zenith tube radio, doesn't power up so likely missing a tube so is being sold untested, as-is. In great shape with a beautiful mahogany case. Dimensions are: 8 inch by 81/2

 

Up For Bid !! A pair of Upper Mid Range, Dome type, tweeters that came from a XR5 McIntosh Speakers set. These were woking when I took them out about 5 years ago. Cosmetically they are in very good co