Description: Two, NEW in box, Philco branded- Sylvania manufactured 6SN7GTB tubes. These tubes were manufactured by Sylvania, as evidenced by inspection, as well as the presence of the "312" manufacturers code on the base- which uniquely identifies Sylvania as the original manufacturer. Red printed logo bases, grey, angled T-plates, chrome dome silvering. Tested on a Hickok TV-3 military tester that has been calibrated, just to make sure. Firm bases, excellent silvering. Tubes are matched for dynamic gain and structure- test at 3375-3375 and 3375-3250 where pass/fail is 1625 micromho. They have the same structure inside and out, having date codes of "57-52" and "58-39", the 52nd week of 1957 and the 39th week of 1958. Many other lots of tubes for sale this week. Shipping is free within the continental US. Elsewhere- exact postage only, no packing feee
Price: 118.95 USD
Location: Whippany, New Jersey
End Time: 2025-01-01T06:19:07.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Non-Domestic Product: No
Brand: SYLVANIA
Type: NOS Tube
Custom Bundle: No
Model: 6SN7GTB
Country of Manufacture: United States
MPN: 6SN7GTB
Modified Item: No
