1x Mullard ECC83 Valve Tube []-getter Eq 12AX7 CV492 B339 CV4004 M8137

1x Mullard ECC83 Valve. Long-plate and []-getter. This valve has also been tested in amplifier without any noise. Date Code: B8L. Tested by AVO VCM Tester. NOS specification: Ia = 1.2(mA), gm = 1.6(mA/V).

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