Two, new in box, RCA JAN-CRC-6SN7GT, VT-231 tubes, wartime manufacture, military issue. Silver printed logo bases, black, flat plates, smoked glass. Outstanding sonics. Tested on a Hickok TV-3 military tester that has been calibrated. Firm bases, excellent silvering. Tubes are matched for dynamic gain and structure- test at 3250-3125 and 3250-3125 where pass/fail is 1625 micromho. They have the same structure inside and out, having matching date codes of H2E, March-April 1944, wartime manufacture. As with all of my auctions, these are the original boxes. Unfortunately, you see alot of reproduction/computer printed boxes on ebay offered by sellers trying to make used tubes look new. Many other lots of tubes for sale this week. Shipping is free within the continental US. Elsewhere- exact postage only, no packing feee

Bonjour, Je vous propose ces deux RCA VT-231 6SN7GTFabriqués aux U.S.A. en 1942 pour lU.S. ARMY - NAVY Les tubes sont 100% inutilisés Expédiés dans une boite brune neuve (voir photos) Testées sur un préampli Mexing MC7R-II et sur un intégré 2E22 BEZ T3A-42 sur des JBL 2445/E140/4560 sans ronflement ni microphonie Mesurés sur lampemètre électronique Duovac : Anode : 250V Grille : - 8V 9mA = 100% Tube 1 : 10,1mA et 9,8mA Tube 2 : 9,5mA et 8,4mA RCA VT-231 6SN7GT Made in U.S.A. for U.S. ARMY - NAVY Same date code S6E : 1942 Same structure inside and out Firm bases Supplied in new brown box (see pics) They are tested on a Duovac digital tube tester Anode : 250V Grid : - 8V 9mA = 100% Tube 1 : 10,1mA and 9,8mA Tube 2 : 9,5mA and 8,4mAThoses valves has also been tested on a Mexing MC7R-II preamp and a 2E22 BEZ T3A-42 amplifier on JBL 2445/E140/4560 with no hum or microphonics that can be heard NOS, the tubes are 100% unused EXPEDITION FRANCE : 11€ en Colissimo contre signature SHIPPING EUROPEAN UNION : 15€ Colissimo tracked and signed

Bonjour, Je vous propose ces quatre RCA VT-231 JAN CRC-6SN7-GT Fabriqués aux U.S.A. en 1945 pour lU.S. ARMY-NAVY Les tubes sont 100% inutilisésExpédiés dans des boites brunes neuvesTestés sans ronflement ni microphonie sur un préampli Mexing MC7R-II et sur un intégré 2E22 BEZ T3A-42 sur des JBL 2445/E140/4560 Mesurés sur lampemètre électronique Duovac :Anode : 250VGrille : - 8V 9mA = 100% Tube 1 : 10,7mA et 9,3mA Tube 2 : 9,6mA et 10,6mA Tube 3 : 9,3mA et 8,2mA Tube 4 : 8,7mA et 9,7mA RCA VT-231 JAN CRC-6SN7-GT Made in U.S.A. for U.S. ARMY - NAVY Same date code V4E : 1945 Same structure inside and out Firm basesSupplied in new brown boxes They are tested on a Duovac digital tube tester Anode : 250V Grid : - 8V 9mA = 100%Tube 1 : 10,7mA and 9,3mA Tube 2 : 9,6mA and 10,6mA Tube 3 : 9,3mA and 8,2mA Tube 4 : 8,7mA and 9,7mAThoses valves has also been tested on a Mexing MC7R-II preamp and a 2E22 BEZ T3A-42 amplifier on JBL 2445/E140/4560 with no hum or microphonics that can be heard NOS, the tubes are 100% unused EXPEDITION FRANCE : 11€ en Colissimo contre signature SHIPPING EUROPEAN UNION : 15€ Colissimo tracked and signed

Bonjour, Je vous propose ces deux RCA VT-231 6SN7GTFabriqués aux U.S.A. en 1942 pour lU.S. ARMY - NAVY Les tubes sont 100% inutilisés Expédiés dans une boite brune neuve (voir photos) Testées sur un préampli Mexing MC7R-II et sur un intégré 2E22 BEZ T3A-42 sur des JBL 2445/E140/4560 sans ronflement ni microphonie Mesurés sur lampemètre électronique Duovac : Anode : 250V Grille : - 8V 9mA = 100% Tube 1 : 11,1mA = 123,33% et 10mA = 111,11% Tube 2 : 10,7mA = 118,89% et 9mA = 100% RCA VT-231 6SN7GT Made in U.S.A. for U.S. ARMY - NAVY Same date code S6E : 1942 Same structure inside and out Firm bases Supplied in new brown box (see pics) They are tested on a Duovac digital tube tester Anode : 250V Grid : - 8V 9mA = 100% Tube 1 : 11,1mA = 123,33% and 10mA = 111,11% Tube 2 : 10,7mA = 118,89% and 9mA = 100%Thoses valves has also been tested on a Mexing MC7R-II preamp and a 2E22 BEZ T3A-42 amplifier on JBL 2445/E140/4560 with no hum or microphonics that can be heard NOS, the tubes are 100% unused EXPEDITION FRANCE : 11€ en Colissimo contre signature SHIPPING EUROPEAN UNION : 15€ Colissimo tracked and signed