The Model 71 has a big power transformer and two 6L6 power tubes. It has a string of 12AT7 or 12AX7 tubes driving the preamp stages. It also uses a 12AT7 or 12AU7 for the tremelo. It has a 12 inch Jensen Special Speaker and two 3 inch little Jensen Specials acting as tweeters. It was made in the late 1950's and had as much power as the Fender Bassman. It is loved by harp players as well as guitar players.
