[Bryan] sent in this old but excellent guitar cable hack. [J. Donald Tillman] managed to fit a fet based pre-amp inside the 1/4″ connector of a guitar cable. It’s phantom powered – so it ...

you should leave the virtual speakers running inside your apps. Two important points: the Bluetooth is for listening to music only. It can’t be used for anything to do with the guitar amp part of the ...

The design is inspired by the guitar amps of the 1950s and 1960s so it’s not for audiophiles. The circuit is a pretty conventional single-ended one with a two stage double triode preamp and a ...