A pair (2 tubes ) NOS, Sylvania JAN CHS VT231 6SN7 GT, military issue,1945. New old stock coming directly from french Army. No box because delivered originaly in bulk wooden boxes of 200 tubes Matched inside a Gm tolerance of 10% Same etched codes on glass C5 and G5 (?) on glass february and April 1945 Symetric black T-plates, On Metrix GT360 tube analyzer : New tube datas : 9 ma plate current, 2.6 ma/v transconductance TEST Results : TUBE #1 : Ia = 9.73 ma and S = 2.77 ma/V and Ia = 9.18 ma and S= 2.86 ma/V TUBE #2 : Ia =10.4 ma and S = 2.95 ma/V and Ia = 9,30 ma and S= 2.89 ma/V On Calibrated TV7 : test tube #1 :98 and 96 ,tube #2 : 100 and 101 when theorical 100 % is 83

Fresh from an estate is this nice SYLVANIA JAN-CHS-6SN7/VT-231 2 hole, black plate tube with bottom getter. This tube looks good with printing still in good shape. This miitary issue tube was tested on a calibrated TV-7D/U tube tester with 50 for the minimum good test result (65% of a new tube). This tube tested 100/50. Be sure to enlarge photos for more close-up details. S/h in lower 48 states is $5.00.

for sale 2 Sylvania Sylvania JAN CHS 6SN7GT / VT-231. the tube were tested on an Amplitrex AT-1000with 1 tube the foot is very slightly loose from the tube. but also really something but I mention itfactory inf new tube = 9.0/2.6tube 1 test 7.8/2.6 tube 2 test 6.6/2.4 6.6/2.3 7.2/2.5you are bidding for the 2 tubes If you have any questions feel free to ask before bidding

** PERFECT BALANCED PLATES!! *** US NAVY SYLVANIA JAN CHS 6SN7W / VT-231 TALL BottleChrome DOME Top TUBE 1944/1945 WW2 PEARL HARBORtest very well Audio Tube AMP Amplifier TV-7/u Tested STRONG!! Priced to sell! Good MEASUREMENTS across all 6 Tv-7/u Tube testers!!!! Tested to be in guaranteed working conditionI tested these on a High Quality Professonal Military Calibrated Hickok TV-7/U Testers: TUBEs TEST RESULTs: TUBE: 92/92 - {Minimum Rating of 50/50 for TV-7 Testers are equal to 65% of average new ratings.} *** I WILL COMBINE SHIPPING COSTs ON MY ITEMS FOR SALE - SAVE BIG $$ !!! If you have Questions or Comments contact me on eBay Check out the photos! TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES! I Combine ShippingBefore You Pay. I accept PayPal and Postal M O.Please see click to enlarge photos for condition and quality.Check out My Other Items For Sale!WILL BE SHIPPED OUT FAST! Before bidding please read my shipping and return policy. I WILL COMBINE SHIPPING COST ON MY ITEMS!!! NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. ANY RETURN WILL BE ACCEPTED BUT BUYER WILL PAY SHIPPING FEES AND I WILL NOT REFUND ANY SHIPPING FEES.*TESTED ON Calibrated HICKOK TV-7 B/U*{Minimum Ratings for TV-7 Testers are equal to 65% of average new ratings.}ALL tubes will be ran through a Daniel Nelson calibrated HICKOK TV-7 B/U for a full mutual conductance test. This is a world class tester that is calibrated by the Hickok doctor. Its test results are dead on and you can buy with confidence. If you want to know what the exact Gm rating of the tube is please message me. My Return Policy: Will not accept returns for reasons such as ordered the wrong item, change mind, not what I thought It was, wrong color ordered, item ordered.

** PERFECT BALANCED PLATES!! *** US NAVY SYLVANIA JAN CHS 6SN7W / VT-231 TALL BottleChrome DOME Top TUBE 1944/1945 WW2 PEARL HARBORtest very well Audio Tube AMP Amplifier TV-7/u Tested STRONG!! Priced to sell! Good MEASUREMENTS across all 6 Tv-7/u Tube testers!!!! Tested to be in guaranteed working conditionI tested these on a High Quality Professonal Military Calibrated Hickok TV-7/U Testers: TUBEs TEST RESULTs: TUBE: 92/92 - {Minimum Rating of 50/50 for TV-7 Testers are equal to 65% of average new ratings.} *** I WILL COMBINE SHIPPING COSTs ON MY ITEMS FOR SALE - SAVE BIG $$ !!! If you have Questions or Comments contact me on eBay Check out the photos! TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES! I Combine ShippingBefore You Pay. I accept PayPal and Postal M O.Please see click to enlarge photos for condition and quality.Check out My Other Items For Sale!WILL BE SHIPPED OUT FAST! Before bidding please read my shipping and return policy. I WILL COMBINE SHIPPING COST ON MY ITEMS!!! NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. ANY RETURN WILL BE ACCEPTED BUT BUYER WILL PAY SHIPPING FEES AND I WILL NOT REFUND ANY SHIPPING FEES.*TESTED ON Calibrated HICKOK TV-7 B/U*{Minimum Ratings for TV-7 Testers are equal to 65% of average new ratings.}ALL tubes will be ran through a Daniel Nelson calibrated HICKOK TV-7 B/U for a full mutual conductance test. This is a world class tester that is calibrated by the Hickok doctor. Its test results are dead on and you can buy with confidence. If you want to know what the exact Gm rating of the tube is please message me. My Return Policy: Will not accept returns for reasons such as ordered the wrong item, change mind, not what I thought It was, wrong color ordered, item ordered.

US NAVY SYLVANIA JAN CHS 6SN7W / VT-231 Short BottleChrome DOME Top TUBE 1944/1945 WW2 PEARL HARBORtest very well Audio Tube AMP Amplifier TV-7/u Tested STRONG!! Priced to sell! Good MEASUREMENTS across all 6 Tv-7/u Tube testers!!!! Tested to be in guaranteed working conditionI tested these on a High Quality Professonal Military Calibrated Hickok TV-7/U Testers: TUBEs TEST RESULTs: TUBE: 98/88 - {Minimum Rating of 50/50 for TV-7 Testers are equal to 65% of average new ratings.} *** I WILL COMBINE SHIPPING COSTs ON MY ITEMS FOR SALE - SAVE BIG $$ !!! If you have Questions or Comments contact me on eBay Check out the photos! TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES! I Combine ShippingBefore You Pay. I accept PayPal and Postal M O.Please see click to enlarge photos for condition and quality.Check out My Other Items For Sale!WILL BE SHIPPED OUT FAST! Before bidding please read my shipping and return policy. I WILL COMBINE SHIPPING COST ON MY ITEMS!!! NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. ANY RETURN WILL BE ACCEPTED BUT BUYER WILL PAY SHIPPING FEES AND I WILL NOT REFUND ANY SHIPPING FEES.*TESTED ON Calibrated HICKOK TV-7 B/U*{Minimum Ratings for TV-7 Testers are equal to 65% of average new ratings.}ALL tubes will be ran through a Daniel Nelson calibrated HICKOK TV-7 B/U for a full mutual conductance test. This is a world class tester that is calibrated by the Hickok doctor. Its test results are dead on and you can buy with confidence. If you want to know what the exact Gm rating of the tube is please message me. My Return Policy: Will not accept returns for reasons such as ordered the wrong item, change mind, not what I thought It was, wrong color ordered, item ordered.

Bonjour, Je vous propose ces quatre SYLVANIA VT-231 JAN-CHS-6SN7GT Fabriqués aux U.S.A. en 1945 pour lU.S. ARMY-NAVY Les tubes sont 100% inutilisésExpédiés dans une boite brune neuveTestés 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 : 8,6mA et 10,6mA Tube 2 : 8,6mA et 11,3mA Tube 3 : 11,8mA et 8,6mA Tube 4 : 10,4mA et 8,5mA SYLVANIA VT-231 JAN-CHS-6SN7GT Made in U.S.A. for U.S. ARMY - NAVY Same date code C5 : 1945 Same structure inside and out Firm basesSupplied in new brown box They are tested on a Duovac digital tube tester Anode : 250V Grid : - 8V 9mA = 100%Tube 1 : 8,6mA and 10,6mA Tube 2 : 8,6mA and 11,3mA Tube 3 : 11,8mA and 8,6mA Tube 4 : 10,4mA and 8,5mAThoses 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 SYLVANIA VT-231 JAN-CHS-6SN7GT Fabriqués aux U.S.A. en 1944 pour lU.S. ARMY-NAVY Les tubes sont 100% inutilisésExpédiés dans une boite brune neuve (voir photos) Testés sur un préampli Mexing MC7R-II et sur un intégré 2E22 BEZ T3A-42 sur des JBL 2445/E140/4560 sans ronflement ni microphonieMesurés sur lampemètre électronique Duovac :Anode : 250VGrille : - 8V 9mA = 100% Tube 1 : 8,7mA et 8,1mA Tube 2 : 8,6mA et 8mA SYLVANIA VT-231 JAN-CHS-6SN7GT Made in U.S.A. for U.S. ARMY - NAVY Same date code K4 : 1944 Same structure inside and out Firm basesSupplied in new brown box (see pics) They are tested on a Duovac digital tube tester Anode : 250V Grid : - 8V 9mA = 100% Tube 1 : 8,7mA and 8,1mATube 2 : 8,6mA and 8mANOS, the tubes are 100% unusedThoses 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 EXPEDITION FRANCE : 11€ en Colissimo contre signature SHIPPING EUROPEAN UNION : 15€ Colissimo tracked and signed

Bonjour, Je vous propose ces deux SYLVANIA VT-231 JAN-CHS-6SN7GT Fabriqués aux U.S.A. en Février 1945 pour lU.S. ARMY - NAVY Les tubes sont 100% inutilisés Expédiés dans une boite brune neuve (voir photos) Testés 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 : 10mA et 10,8mA Tube 2 : 10mA et 10,9mA SYLVANIA VT-231 JAN-CHS-6SN7GT Made in U.S.A. for U.S. ARMY - NAVY Same date code C5 : February 1945 Same structure inside and out Green lettering 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 : 10mA and 10,8mA Tube 2 : 10mA and 10,9mAThoses 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