ECC81 / 12AT7 - Mesa Boogie

The Mesa Boogie 12AT7 STR is a premium grade low gain and low noise preamp tube that will enhance the tone of most tube amplifiers

Can also be used to substitute 12AX7 tubes in preamp gain stages to reduce preamp gain, and improve headroom. Also commonly used in reverb driver and phase inverter gain stages

These tubes are specially selected for performance, and feature a triple mica support wafer construction for very low microphonics