JAN CHS 6SL7GT VT-229 SYLVANIA RCA DARK COATED GLASS & BLACK PLATE
YEAR 1945 WARTIME
1 TUBE = ONE VALVE = 1 VINTAGE VACUUM TUBE MILITARY ARMY NAVY
MILITARY SPECIFICATIONS JOINT ARMY NAVY JAN SC966A
NOS NIB TUBE WITH ORIGINAL CARTON WRAP BOX
BLACK BASE
PAN FOIL GETTER BOTTOM
BLACK PLATE
RUGGED RELIABLE LONG LIFE
nos tube into original carton wrap military specifications mil specs fully tested 56/55 ( good at 32/32 ) on tube tester calibrated TV7D/U
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 models6SC7 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
box 69