These were was tested on our Triplett 3444A tester with results of 11000 and identical plate currents for both tubes, where 11000 is the average new value. Do not buy this item and then ask us to falsify the forms.
Item Category: Vintage Electronics
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1 Good Raytheon Black Plate 12AX7 tube #40011
1 Good Raytheon Black Plate 12AX7 tube.This tube test 42-37 where 32 is the minimum good and new tubes test 48 to 50 on are tv7 tube tester.
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Matched Pair 6V6GT RCA smoked glass/black plate Vacuum Tubes, TV-7D Tested
Smoked Glass. ‘Matched’ refers to comparing the gm test results between the lowest to the highest of the identical sections of a set of tubes. ‘Matched’ I consider to be within 10%. RCA one labelled GM.
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NOS 6SN7 GTB Carbonized Black Plates Ring Getter Mullard Tooling, 1-gold Pin
NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states “Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.
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1956 UNITED USAF-596 RECTIFIER TUBE NOS BLACK PLATE 5U4G WE 274B 5U4 5AR4 GZ34
LOOKS NEW TESTED FOR CONTINUITY WAS IN A BOX WITH ABOUT A DOZEN OTEHR TUBES MARKED NOS.
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4- NOS 7Y4 Full-Wave Rectifier Vacuum Tubes LOKTAL Chrome Domes Black Plate
Identical to 7Y4 = U149 = CV901. Tube type: Full-Wave Vacuum Rectifier. NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states “Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.
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(2) Sylvania Philco Type 45 Tubes Black Plates Foil Getters 1936 Tests NOS
(2) Sylvania Philco Type 45 Power Tubes | Black Plates | Foil Getters | Matched Date Codes 2U | 1936 Production.
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Tung-Sol JAN-CTL 6SU7-GTY Black Glass Brown Base – Matched Pair – Measure as NOS
Dead quiet when idle, and stable during high output amplification. Both tubes test very strong, slightly above NOS. NOS = 3,200. 6SU7-GTY, brown base and black glass tubes are a premium, ruggedized, tightly specified version of 6SL7-GT tubes.
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(2) Raytheon 6SN7GTB Tubes Black Plates O Getters Tests NOS Amplitrex
(2) Raytheon 6SN7GTB Tubes Black Plates O Getters. Tested on an Amplitrex AT1000.
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M8100 CV4010 5654 EF95 MULLARD VINTAGE PAIR VALVE TUBE- RING GETTER, BLACK PLATE
CV4010 6AK5 5654. M8100 MULLARD. BLACK ANODE, RING GETTER. MATCHED PAIR. AS SHOWN ABOVE.