Description

The Electro Harmonix 12AX7 provides high gain with ultra-low noise and a detailed, musical tone that rivals the most desirable NOS types. Unique spiral filament eliminates filament to cathode-induced hum common on amps that use AC on the filaments.
Superior high gain short plate format Twin Triode, with ultra-low noise and detailed, musical tone. A most popular replacement for all circuits requiring 12AX7/ECC83 types.
Ultra-low noise thanks to the unique spiral filament which eliminates cathode-to-filament induced hum on certain amps
Best all-around choice and best value for 12AX7
ECC83/7025 equivalent
Many OEMs use relabeled Electro-Harmonix vacuum tubes in their amplifiers