1970s PRODUCTION. BLACK ROUND PLATES, HALO GETTER ON THE SIDE, COIN BASE. 1 X 6SN7GTB TUBE.
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NOS is subject to interpretation and there is no specific definition for it either. There are suggestions and opinions. Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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• The highest leakage current between the cathode and the heater. 20 µa. • Anode current. Of 2.3 ±0.9 mA. • The capacity input of the first triode. 3 pF. • The capacity input of the second triode. 3,4 pF.
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• Input capacitance of the first triode 3 pF. • Input capacity of the second triode 3.4 pF. • Output capacitance of the first triode 3.8 pF. • Output capacitance of the second triode 3.2 pF. • Anode current 2.3 ± 0.9 mA.
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Matched Pair 6SL7GT Grey Glass Dimple Foil Getter With 3 Crown Hallmark NOS RCA USA Valve Tubes (VT1).
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2 x 6SL7gt RCA Tubes. Tested on Enhanced Triplet E3444 Laboratory Tester. Smoked Glass. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. What were your tubes tested at?.
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Price is for One Firve Marconi 6SL7 CV569 ECC35 VT-229 Brown Base Black plate D Getter NOS Tested and balanced Made in Italy, carefully tested on TV-7/U as shown with min good at 32 (65%) and on AVO CT160, no short, no gas, function flawlessly in my hifi system, matched and balanced.
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Unused set of two bottles from the same lot, inspected for quality. Please note these have been stored long-term; buyers sensitive to minor imperfections should consider this before purchasing. Sold as-is with no returns accepted. We are located in Japan.For electrical products, check the manufacturer and product and convert to the voltage of each country.Please note that we have many second-hand products (100V) that were used in Japan for sale. If you have any questions, please feel free to contact us at any time.We plan to ship by FedEx or DHL.Please contact us as the shipping fee can be changed in some cases. All items are shipped under DDU (Delivered Duty Unpaid) terms. This means that import duties, VAT, and customs clearance fees are the buyer’s responsibility and must be paid upon.
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