[SOLD!] Marlboro Sound Works GBO-12B (1975) - OK

Marlboro Sound Works USA furnace for Montgomery Ward from 1975.
A real uniqueness even in the USA, a unique custom sound
It has 3 channels of Guitar Bass Organ all are functional
15-inch speaker from the GBO-15B model
The furnace power is 60 watts, it is really loud and the sound is wide
The old sound of the 70s is a pure Fender glass, but it is also universal, it sounds better than the fender of the 80s or the beginning of 90 when it comes to transistor amplifiers
Visual condition 5+

Technical condition 5, potentiometers for purging