12AX7 / ECC83 - Electro-Harmonix

Electro Harmonix is a brand owned by the American New Sensor Corporation and manufactured at the Xpo-Pul - Reflektor factory in Saratov, Russia.   The Electro-Harmonix 12AX7-EH / ECC83 dual triode preamp tube packs a punch with a gain of 90mu, and loves to be overdriven. Featuring a unique spiral heater filament, which eliminates filament to cathode induced hum, it has an ultra low noise floor, low microphonics, and detailed musical tones. Works well in all preamp applications.

Open datasheet 12AX7-EH / ECC83