2 x 6SN7gtb RCA Tubes

Made in USA

Black Plates

Tall Boy

Coin Base

The lettering is smudged/worn

Tested on Enhanced Triplet E3444 Laboratory Tester

2730/2795 micromhos @ 8.4/8.5 mA
2800/2730 micromhos @ 8.4/8.0 mA

Bogey(100%) = 2600/2600 micromhos @ 9.0/9.0 mA

I do combine S&H when possible