2x BRIMAR 12BH7 Valves

Tested by AVO VCM Tester


Valve 1
Ia1 = 11(mA), gm1 = 2.8(mA/V)
Ia2 = 13(mA), gm2 = 3.45(mA/V)

Valve 2
Ia1 = 14(mA), gm1 = 3.6(mA/V)
Ia2 = 15.5(mA), gm2 = 3.55(mA/V)


NOS specification: Ia = 11.5(mA), gm = 3.1(mA/V)


*** This valve has also been tested in amplifier without any noise. ***



Postage Costs
I am happy to post this item to worldwide and combine postage cost on multiple purchases.
















20240516L031