4x BRIMAR 12AX7 Valves
Tested by AVO VCM TesterValve 1 Ia1 = 1.45(mA), gm1 = 1.6(mA/V) Ia2 = 1.2(mA), gm2 = 1.5(mA/V)Valve 2 Ia1 = 1.25(mA), gm1 = 1.55(mA/V) Ia2 = 1.15(mA), gm2 = 1.5(mA/V)Valve 3 Ia1 = 1.14(mA), gm1 = 1.5(mA/V) Ia2 = 1.13(mA), gm2 = 1.4(mA/V)Valve 4 Ia1 = 1.28(mA), gm1 = 1.55(mA/V) Ia2 = 0.9(mA), gm2 = 1.4(mA/V)NOS specification: Ia = 1.2(mA), gm = 1.6(mA/V)*** This valve has also been tested in amplifier without any noise. ***Postage CostsI am happy to post this item to worldwide and combine postage cost on multiple purchases.20231108L042