I purchased this tube just a few days ago as I went through a process of trying out different tubes in my microphone. I left the tube in my microphone for about 36 hours with the power on to "burn in"

 

Pair NOS TUNG-SOL 6J7GT VT-91A (=348A) Metal Base Audio Tubes Made in USA by TUNG-SOL You are bidding on a Pair NOS TUNG-SOL 6J7GT VT-91A (=348A) Metal Base Audio Tubes in excellent working condition.

 

Original West German tubes from 1950s/60s. Made by Siemens Klangfilm for PROFESSIONAL use. See pictures. Tubes come from an old stock.Tested on West German Funke W19S military tube tester with EXCELLE

 

As Found At A Local Estate Vintage Sansui Four Channel Automatic Turntable FR-3080 This needs a new belt - due to age - the motor does seem to work fine Serial # 416010376 Some scratches on the plasti

 

Vintage ESS Electronic / Active Cross Over ..( No Reserve )... Very Rare .. Cant Find Another One ? 1970-80s ? Solid Wood Case .. Heavy . Will Be Packed Right ! Tracking & Possible Signature , Dep

 

Bang & Olufsen B&O BEOCORD 1500 DELUXE REEL TO REEL PLAYER RARE DENMARK from a estate sale,measures 18X13X9 inches in size,, no chord so comes untested still,but cosmetic condition is very nic

 

Tannoy 15" Dual Concentric Speaker LSU/HF/15/L with Crossover. Excellent condition, one owner. Serial Number 027499. We have another exact speaker with cross over and more vintage audio items listed.

 

This little horn speaker came out very cool! The outside is done in a bright gorgeous red with lots of black swirls. The inside of the horn is done in a black and bright blue marbelled finish. The bas

 

For GREAT AUDIO use and performance VERY SPECIAL tube for sale this time, excellent quality and in this MINT shape! ONE VERY FINE, OLD, MATCHED HIGH QUALITY COUPLE of 10Y = VT-25A or VT25 SYLVANIA tot

 

1 x 12au7/ecc82 Amperex Tube Made in Holland Long Grey Plates Foil D Getter The lettering is smudged - Bugle Boy Logo is barely visible Etched codes are K63 - Delta7L The auction is for 1 (one) tube T