Model: 1961 La Radiotechnique EF86 6267 (Suresnes, France)w/ Valvo Label. Date code: 8Y5F1 J2 (8Y5 = EF86 production gen #5,F = Suresnes, France, 1 = 1961, J = October, 2 = Week 2 of the production month).
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2 X EC86 TUBE. GREY PLATES, HALO GETTER, 3 MICA, MATCHED PAIR. TESTED IN FUNKE W20 TUBE TESTER.
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1 X EC86/6CM4 ELECTRON TUBE.
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Model: Mullard EF86 6267 (Made in Great Britain). Test results on your tester will NOT be accepted as evidence of defect ive product.
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TESTED 100% STRONG NOS TUBES ON MY B&K 747 TUBE TESTER.
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Tube passed ALL tests. Tested strong at:110 with a minimum of 70 on the tester. This is very important! We strive to make this happen!
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RX1 X5B (rX1 = EL84 Production Gen #1, X = Sittard, NL,5 =1955, B = February). X = Sittard, NL,5 =1955, F = June). rX2 X5F (rX2 = EL84 Production Gen #1. Test result on your tester will NOT be accepted as evidence of defective product.
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Approximate equivalent to the EC86. 6S4P-EV (6С4П-ЕВ) High frequency triode with low intra-tube noise. The tubes are new and never used. I will combine an orders and send you an invoice with a total (. ).
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