Electro-Harmonix 12AY7 / 6072A Vacuum Tube YCRF_pickups Fits most Fender style P

Fits most Fender style P Bass guitars

the G12-65 had become a firm favorite with hard rock players by the early 80s

Eric Clapton Stratocaster Guitars (USA) and '50s Stratocaster Guitars (Mexico)

there is an extension speaker output on the backpanel of the amp

which utilized a GZ34 tube rectifier along with what seems to be an experimental preamp which catered more to bass players

Electro-Harmonix 12AY7 / 6072A Vacuum Tube YCRF_pickups Fits most Fender style PSuperior medium mu small signal twin triode with high transconductance. May be used instead of 12AX7 ECC83 in first gain stage of various amps for a more linear, vintage response. Originally designed for use in audio preamplifiers requiring low microphonics and good linearity, such as Fender Tweed Series Perfect replacement for any 6072 12AY7 type Relabeled Electro Harmonix vacuum tubes are used by many OEMs in their amplifiers Electro Harmonix tubes