JJ 12AY7 Preamp Tube

The JJ 12AY7 Preamp Tube is a medium gain pre-amplifying double triode.

The 12AY7 can often replace a 12AX7 in your amplifier and give you a rich, warm tone with lower gain of about 60% than a 12AX7.

These tubes were used in many Fender Tweed era amps.

Get the datasheet here.