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Electro-Harmonix tubes are all new designs and are of excellent quality. Many OEMs use relabeled Electro-Harmonix vacuum tubes in their amplifiers. If you want great-sounding tubes at a very reasonable price, then Electro-Harmonix tubes should be on your list.
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
