1957 Tung-Sol 12AX7 Vacuum Tube Branded Thomas Organs Square Angle Getter

Description

1957 Tung-Sol 12AX7 Vacuum Tube Branded Thomas Organ Square Angle Getter. Condition is "Used". Shipped with USPS First Class.
From research, this appears to be a Tung-Sol tube branded for Thomas Organs. Date is 10 of 57.
Gain tests on both triodes on a calibrated Heathkit TT-1 Mutual Conductance tester. The results:
Triode 1:
1550 micromhos
Triode 2:
1350 micromhos
A reading of 1600 would be NOS.
So, one side is close to NOS @1550, and the other is strong @1350
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