(1955)2x Mullard EF86 Valves Date Code: ++1 B5L, ++1 B5F (1955) Tested by AVO VCM Tester Valve 1 Ia = 3.8(mA), gm = 2(mA/V) Valve 2 Ia = 3.7(mA), gm = 1.95(mA/V) NOS specification: Ia = 3(mA), gm = 2.3(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. 20251023L050
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