Equivalent to tubes: 6AK5, EF95, EF95F, EF905, 6F32, 6J1. OTK ◊ Military Acceptance. 6J1P-EV ( 6Zh1P-EV )Pentode Tube. E – the letter characterizing the increased durability of the tube. Equivalent resistance of intra-tube noise, no more than 3.7KOhm.
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