rca 5692 tube nos nib 5691 cbs vt-231 ecc35 5693 televue eyepiece vt231 5r4gy 2a3 valve
rca 5692 tube nos nib
RED BASE
TRIMICA
DOUBLE DD GETTER
CODE 6435
5 PILLARS
DOUBLE TRIODE TWIN TRIODE FOR PREAMP PRE PHONO INPUT FIRST STAGE 1st STAGE AUDIO PREAMPLIFIER
5692 DARK BLACK PLATE
LARGE PLATE ANODE RIBBED RUGGED RELIABLE LONG LIFE PROFESSIONAL TUBE LIKE 33S30B STANDARD
Similar tube Other class quality (otherwise equal): 6SN7GT
Socket Octal K8A
Filament Heater Vf 6.3 Volt / If 0.6 Ampere / Indirect / Parallel, ~ = (AC/DC)
Dual triode, long-life variant of 6SN7GT. Heaters are series connected, to disable both sections in bridge circuits in case of a failure. First introduced by RCA in its 'Special-Red' high-rel line. Also made by GE, Sylvania, Westinghouse.
tested super strong new mint tube
box 63