12 volt heater/filament tubes Remote-cutoff pentode, 6BA6/EF93 with a different heater 12BA6 /HF93 VACUUM TUBES
TRIODE-PENTODE TOSHIBA VACUUM TUBE 10KR8 NEW IN BOX
12 volt heater/filament tubes ECC81, 6060, B309, M8162 ,GE6201 High-mu dual triode. Commonly used as R.F. amplifier/mixer in VHF circuits.
VACUUM TUBE
