1 Vintage 1979 Sylvania USA Black plate 6SN7GTB Vacuum tube!

Please see the detailed pictures


1 new in box Vintage 6SN7GTB Vacuum tube..

Tubes features Black plates with waffle base.. 

Tubes each have current matched balanced plates. Perfect for Hifi. 

Tubes have been tested on a Calibrated Hickok TV7 tube tester and test as follows:

Tube1 : 97.9/98.7

Minimum good value on a TV7 tester for a 6SN7 tube is 50. The tubes test within or near the NOS range.

Tubes are guaranteed to be in good working order upon delivery. If a tube ends up bad within 1 week of delivery just ship it back for a full refund on the bad tube minus shipping costs.

  See pictures for details. 

If you have any questions please email.

I will ship worldwide.

Buyer to pay all shipping costs including brokerage and taxes if any.


I do combine shipping to save you costs!

See my other auctions for more vintage audio gear!

Local pickup in maple ridge BC is also available.

GOOD LUCK!!!!!!!