![Modified Marshall with a built-in electronic Variac that adjust everything except the heaters. Stock/Hot inputs #Fortinamps #mod… | Guitar amp, Guitar rig, Marshall Modified Marshall with a built-in electronic Variac that adjust everything except the heaters. Stock/Hot inputs #Fortinamps #mod… | Guitar amp, Guitar rig, Marshall](https://i.pinimg.com/736x/79/9e/82/799e8256515ebf9f249cb3be2fac8a0c--marshalls-guitars.jpg)
Modified Marshall with a built-in electronic Variac that adjust everything except the heaters. Stock/Hot inputs #Fortinamps #mod… | Guitar amp, Guitar rig, Marshall
The Variac. | voltage, electronic amplifier | Willie has some sound advice on powering up vintage amps that haven't seen voltage in a long time. A variac can be a very useful
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