=°= =°=Clic ?Mes autres ventes, all my listings 6SN7WGT Raytheonvoir photos, see photos !Tested strong: 96/98 (Mini 50) ? Mutual conductance? Common manufacturers new range test around 95-100 on this tester !Tube was tested on my calibrated HICKOK TV-7/ U military tester for: shorts / gas / and mutual conductance - Minimum Reject Point for a 6SN7 is 50/50 = M R P is 60/65 % of the tube life. >> Theoretical new 6SN7 starts at 85 + Tubes are guarantied not to be Dead On Arrival and to test as stated in this auction Réduction sur la livraison dachats groupés en FRANCE: même prix de port, le plus élevé, quel que soit le nombre dobjets achetés, alors consultez mes autres ventes, MERCI. Envoi soigné garanti - Nhésitez pas à me contacter pour tout renseignement avant denchérir. idem en cas de problème ou derreur dans la description: communiquez, Errare humanum est... *****foreign buyers please note***** I always package my items with care to help insure they will arrive to you safelyYES, I really do combine shipping if you win more than one auction, to save you money on shipping: Please ask all questions before bidding and I will be happy to answer If a problem arises contact me and Ill try to fix the problem, Errare humanum est.....

A Marconi 6SN7GT/B65 Valve Very rare early metal base 6SN7GT/B65 with clear glass. Black plate and cup getter. Tester AVO VCM Ia1 = 8.5(mA), gm1 = 2.4(mA/V)Ia1 = 9.5(mA), gm1 = 2.6(mA/V) NOS specification: Ia = 9.0(mA) gm = 2.6(mA/V) *** This valve has also been tested in amplifier without any noise. *** Postage Costs I am happy to post this item to worldwide and combine postage cost on multiple purchases.

=°= =°=Clic ?Mes autres ventes, all my listings 6SN7WGT Raytheonvoir photos, see photos !Tested strong: 96/98 (Mini 50) ? Mutual conductance? Common manufacturers new range test around 95-100 on this tester !Tube was tested on my calibrated HICKOK TV-7/ U military tester for: shorts / gas / and mutual conductance - Minimum Reject Point for a 6SN7 is 50/50 = M R P is 60/65 % of the tube life. >> Theoretical new 6SN7 starts at 85 + Tubes are guarantied not to be Dead On Arrival and to test as stated in this auction Réduction sur la livraison dachats groupés en FRANCE: même prix de port, le plus élevé, quel que soit le nombre dobjets achetés, alors consultez mes autres ventes, MERCI. Envoi soigné garanti - Nhésitez pas à me contacter pour tout renseignement avant denchérir. idem en cas de problème ou derreur dans la description: communiquez, Errare humanum est... *****foreign buyers please note***** I always package my items with care to help insure they will arrive to you safelyYES, I really do combine shipping if you win more than one auction, to save you money on shipping: Please ask all questions before bidding and I will be happy to answer If a problem arises contact me and Ill try to fix the problem, Errare humanum est.....

I HAVE FOR SALE A VERY RARE MARCONI B65 6SN7GT EARLY CLEAR GLASS -1940s PRODUCTION WITH BRIMAR BRANDING AS YOU CAN SEE IN THE PICTURES , THIS TUBE IS IN FANTASTIC CONDITION TESTED STRONG TESTED ON AN AVO VCM163 RESULTS - TUBE 1 - Ia 9.3/10.0 (103/111%) gm 2.7/2.7 (103/103%) 100% = Ia 9.0 gm 2.6 PLEASE SEE MY OTHER AUCTIONS ?

Very rare Osram, Marconi Grey Glass B36 Metal Base Valves x6Tested working, please see photos.These items will be well packed for UK, Worldwide ShippingPlease do not hesitate to ask any questions. Thank you

=°= =°=Clic ?Mes autres ventes, all my listings 6SN7WGT Raytheonvoir photos, see photos !Tested strong: 96/98 (Mini 50) ? Mutual conductance? Common manufacturers new range test around 95-100 on this tester !Tube was tested on my calibrated HICKOK TV-7/ U military tester for: shorts / gas / and mutual conductance - Minimum Reject Point for a 6SN7 is 50/50 = M R P is 60/65 % of the tube life. >> Theoretical new 6SN7 starts at 85 + Tubes are guarantied not to be Dead On Arrival and to test as stated in this auction Réduction sur la livraison dachats groupés en FRANCE: même prix de port, le plus élevé, quel que soit le nombre dobjets achetés, alors consultez mes autres ventes, MERCI. Envoi soigné garanti - Nhésitez pas à me contacter pour tout renseignement avant denchérir. idem en cas de problème ou derreur dans la description: communiquez, Errare humanum est... *****foreign buyers please note***** I always package my items with care to help insure they will arrive to you safelyYES, I really do combine shipping if you win more than one auction, to save you money on shipping: Please ask all questions before bidding and I will be happy to answer If a problem arises contact me and Ill try to fix the problem, Errare humanum est.....

A Marconi 6SN7GT/B65 Valve Very rare early metal base 6SN7GT/B65 with clear glass. Black plate and cup getter. Tester AVO VCM Ia1 = 8.5(mA), gm1 = 2.4(mA/V)Ia1 = 9.5(mA), gm1 = 2.6(mA/V) NOS specification: Ia = 9.0(mA) gm = 2.6(mA/V) *** This valve has also been tested in amplifier without any noise. *** Postage Costs I am happy to post this item to worldwide and combine postage cost on multiple purchases.

B65 Metal base TubeTested on AVO MK IV6.1 mA / 6.4 mA.....2.7 mA/V / 2.3 mA/V100 % = 9mA 2.6mA/VTested a bit low so please bid accordingly.Due to different valve tester ,tested resulted may different .Im not accept return because of your testers resulted.

A Marconi 6SN7GT/B65 Valve Very rare early metal base 6SN7GT/B65 with clear glass. Black plate and cup getter. Tester AVO VCM Ia1 = 8.5(mA), gm1 = 2.4(mA/V)Ia1 = 9.5(mA), gm1 = 2.6(mA/V) NOS specification: Ia = 9.0(mA) gm = 2.6(mA/V) *** This valve has also been tested in amplifier without any noise. *** Postage Costs I am happy to post this item to worldwide and combine postage cost on multiple purchases.

Audio Double triode - part tested This was found in my late fathers attic. He worked for GEC in the 1950s The letters on the glass say: B65 Underneath is written:18 4

Osram /Marconi B36 CV925 Metal Base x6 Valves TubesFor Quad Leak Decca Valve Tube AmplifiersVery Rare Osram & Marconi B36 x6 Valves Tubes - Made In EnglandAll Valves Tested Working - Rare Set of B36 Metal Base Valves Worldwide Postage The B36 is an audio double triode with a 12.6?Volt heater. It is a British (M-OV) copy of the American 12SN7.The construction uses a glass pinch and two separate electrode structures are visible within the glass.The B36 was designed for audio applications and the valve has independent cathodes. The B65 differs only in heater voltage and current.The wide glass tube envelope is 28?mm in diameter and excluding the IO base pin length, stands 71?mm high.References: Data-sheet & 1040. Type B36 was first introduced in 1948. See also 1948 adverts.

Osram /Marconi B36 CV925 Metal Base x6 Valves TubesFor Quad Leak Decca Valve Tube AmplifiersVery Rare Osram & Marconi B36 x6 Valves Tubes - Made In EnglandAll Valves Tested Working - Rare Set of B36 Metal Base Valves Worldwide Postage The B36 is an audio double triode with a 12.6?Volt heater. It is a British (M-OV) copy of the American 12SN7.The construction uses a glass pinch and two separate electrode structures are visible within the glass.The B36 was designed for audio applications and the valve has independent cathodes. The B65 differs only in heater voltage and current.The wide glass tube envelope is 28?mm in diameter and excluding the IO base pin length, stands 71?mm high.References: Data-sheet & 1040. Type B36 was first introduced in 1948. See also 1948 adverts.

Osram, Marconi Grey Glass B36 Metal Base Valves x6Tested workingThese items will be well packed for UK, Worldwide ShippingPlease do not hesitate to ask any questions. Thank you