PAIR ±1956 GE 12BH7A Tubes – Hickok 539B tests @ 3050/3000, 3400/3250, min:1950

PAIR ±1956 GE 12BH7A Tubes – Hickok 539B tests @ 3050/3000, 3400/3250, min:1950

USD 35.95 USD
SKU: jQVlDV18
Brand: no more markings left
Categories: Vintage Electronics

Specifications

Country Of OriginUnited States
Type12BH7A
Brandno more markings left

Hickok 539B tested. Hickok 539B is a mutual conductance (Gm) type tube tester. Fantastic Tubes ! <<<<<<<>>>>>>>. Tube#2 3400 / 3250. Tube#1 3050 / 3000.

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