Item Tag: SYLVANIA

vt229 sylvania tube pair ~ 6sl7gt 5691 ecc35 tung-sol nos nib valve rca gt wgt military specifications MIL SPECS SC966A WW2 nos tubes into original carton wrap military specifications mil specs fully tested 58/58 ; 56/56 ( good at 32/32 ) on tube tester calibrated TV7D/U JAN CHS 6SL7GT VT-229 SYLVANIA BLACK ROUND PLATE RUGGED DARK CARBON PLATES SMOOTH OLDEST PRODUCTION YEAR 1942 WARTIME SECOND WORLD WAR MADE IN U.S.A. MATCHED PAIR = 2 TUBES = 2 VALVES = 2 VINTAGE VACUUM TUBES MILITARY ARMY NAVY MILITARY SPECIFICATIONS JOINT ARMY NAVY JAN SC966A NOS NIB TUBES WITH ORIGINAL CARTON WRAP BOXthe internal carton wrapping has been opened ans it’s not in perfect conditions (one piece of inside carton is missing), please evaluate pictures CODE ON GLASS E3 L4 BLACK BASE PAN FOIL GETTER BOTTOM BLACK PLATE HOLED WELDED RUGGED RELIABLE LONG LIFE TWIN TRIODE DOUBLE TRIODE TUBES FOR PRE AMPLIFIER PREAMP DRIVER PRE PHONO INPUT FIRST STAGE 1ST STAGE AUDIO 6SL7GT = CV1984 = CV1985 = 6Н9С = 6SL7 = VT-229 = 6N9P Similar tube Other shape (e.g. bulb type): 6SL7GTB ; 6Н9М Sub tube: 6113 ; 6SL7 DDR Other class quality (otherwise equal): 6SL7WGT ; 6SU7GTY Heater different: 12SL7GT ; 5691 ; ECC35 Other base: 7F7 First informations 02.Jul.1941 : Electron Tube Registration List Sub the following models 6SC7 6SC7GT Evolution 12AX7 7F7 6SL7GTB 6SL7WGT Socket Octal (Int.Octal, IO) K8A Filament Heater Vf 6.3 Volt / If 0.3 Ampere / Indirect / Parallel / series ~ = AC/DC Vintage NOS Tubes Bendix Vintage NOS Tubes Brimar Vintage NOS Tubes Sockets Arcturus Vintage NOS Tubes Rca 12ax7 Nos NOS Nitrous Oxide Systems Parts for Ford Mustang, RCA Vintage Tubes & Tubes Sockets NOS Performance & Racing Parts Genalex NOS Tubes NOS Vintage Car and Truck Parts box 77