2 Vintage 1953 Sylvania Chrome top black plate USA 6SN7GTB Vacuum tubes!

Please see the detailed pictures


2 Vintage 1952-3 Sylvania USA 6SN7GTB Vacuum tubes..

Tubes are testing within NOS range and have been matched for current draw. 

They feature chrome tops with black Plates.

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

Tube1 : 95.6/90.4

Tube2 : 95.2/93.6

Minimun good value on a TV7 tester for a 6SN7 tube is 50. 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.

Item is located in Canada but will be shipped with the USPS for USA buyers or Canada Post for Canadian buyers. For overseas buyers : Please email for options as sometimes Canada post is cheaper for overseas shipping with Surface post.

Please wait for my invoice before paying to avoid any hassles.

I do combine shipping to save you costs!

See my other auctions for more vintage audio gear!

Local pickup in Vancouver BC is also available.

GOOD LUCK!!!!!!!