QUAD tubes 6C5 G Fivre Made in Italy First serie Oldest production
4 TUBES = 4 PIECES = FOUR vintage Beam Power Vacuum Tubes
FOR pre amplifier preamp AUDIO = 4 Valves
OLD PRODUCTION G LONG NECK STRAIGHT BOTTLE BROWN BASE
SPECIAL AND ULTRA RARE PRODUCTION PTT = POSTAL SERVICE
POST AND TELEGRAPHS PRINTED ON GLASS
RUGGED RELIABLE LONG LIFE FOR PUBLIC SERVICE
GOVERNMENT BUREAU LABELS ON GLASS
SAME OLDEST PRODUCTION SAME BATCH FROM BULK
TUBES NEVER BEEN USED , SPARES FOR AMPLIFIER POSTAL SERVICE STILL PRESERVED TILL NOW
AMAZING WONDERFUL AND EXTRA RARE NOWADAYS
Mesh Shield and springs on top , brown base , pan getter , full getter area , military old stock mint conditions
fully original with old labels on glass same data 11 - 12 - 1953
Military Specifications Mil Specs , fully tested super strong 100 ; 100 ; 98 ; 98 emission data results on TV7 tube tester military calibrated tester
TRIODE AUDIO FREQUENCY DRIVER FOR 2A3
6C5 G TRIODE TUBE
Other class quality ( otherwise equal ): CV582 ; VT-65
Heater different: 11C5
Evolution 6J5
Socket Octal K8A
Filament Heater Vf 6.3 Volt / If 0.3 Ampere / Indirect / Parallel / series ~ = AC/DC
tube valve lampe röhre tsf 진공관 真空管 HAM RADIO audio hi-end hi-fi diy POWER AMPLIFIER roehre Pre-Amplifier Preamp Pri VINTAGE stereo SE Single Ended PP Push-Pull VACUUM TUBES röhren
BOX 72