Electro-Harmonix tubes 12AX7

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Superior high gain short plate format Twin Triode, with ultra-low noise and detailed, musical tone. Most popular replacement for all circuits requiring 12AX7/ECC83 types.• Ultra-lo w 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 equivalent• Many OEMs use relabeled Electro-Harmonix vacuum tubes in their amplifiers Show more