12AT7 / ECC81 - 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 12AT7-EH / ECC81 dual triode preamp tube is great for phase inverters and reverb drivers, and features a large plate format for superior dissipation.  Offering medium gain, (50mu) it is a great substitute for the ECC83 / 12AX7 in V1 or V2 if more clean headroom is required.

Open datasheet 12AT7-EH / ECC81