1 6

Classic Currents

Matched Sylvania 6SN7GTB Tubes Red Letters On Glass ANA GB Black Plates 6SN7GT

Matched Sylvania 6SN7GTB Tubes Red Letters On Glass ANA GB Black Plates 6SN7GT

Tested and Guaranteed

$114.95 USD
$114.95 USD
Sale Sold out
Shipping calculated at checkout.
Tested Matched Pair of Red Letters on Glass Sylvania 6SN7GTB Tubes.
Date Codes ANA GB.

Tubes are closely matched for Gm testing within 5% (see below) and internal structure - they are identical.
Rare red letters on glass with black angled plates and top round halo getters.

Tested on a calibrated Hickok TV-10 military tube tester with no shorts and no leaks with the following results:

Gm Test = 2625-2500 and 2500-2500 micromhos
Minimum pass/good = 1650-1650

Further tested under real operating conditions on a Class A amplifier and exhibiting no microphonics.

~ Please view all 6 photos ~
View full details

View All