Pair Vintage 1940's era Marconi Canada Black Plate Brown base 6SL7GT Vacuum tubes!

Please see the detailed pictures


Pair Vintage 1940s Marconi Canada 6SL7GT Vacuum tubes..

Tubes feature black plates and brown bases with a bottom D getter.

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

Tube1 : 47.5/51.3

Tube2 : 52.8/51.3

Minimun good value on a TV7 tester for a 6SL7 tube is 32. The tubes test within 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!!!!!!!