1x Mullard ECC33 Valve

Date Code: 5K2 R7J3

Tested by AVO VCM Tester


Ia1 = 8.2(mA), gm1 = 3.5(mA/V)
Ia2 = 9.4(mA), gm2 = 3.9(mA/V)


NOS specification: Ia = 9(mA), gm = 3.8(mA/V)


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



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20240216L045