Electro-Harmonix 12AX7 Preamp Tubes Are: • Ultra-low noise thanks to unique spiral filament which eliminates cathode-to-filament induced hum on certain amps • Best all-around choice and best value for 12AX7 • ECC83/7025...
Beam power tetrode with a specially developed cathode coating, careful alignment of the grid, tri-alloy plate material for flawless performance up to 475 volts. Perfect for high plate voltage amplifiers like the Fender...
High gain preamplifier tube with ultra low noise and detailed, musical tone. Unique spiral filament eliminates filament to cathode induced hum common on amplifiers that use AC on the filaments.This is a closeout item...