This is a used amplifier that is fully functional. 

The V1512 features 15 class A watts and a 12″ speaker. The top-loaded control panel has the standard 1/4″ input, plus controls for gain, low-end boost, treble, mid, bass level indicator, and on/off switch. The internal speaker can be disconnected and a 16-ohm cabinet may be plugged in via a 1/4″ jack. Three Groove Tubes 12AX7s and two EL84 power tubes provide the heart of the operation.