This is an incredibly rare, Gibson-made Maestro GA-1 RT amplifier that can double as an external Reverb Tank and Tremolo unit. Pre dating Fender’s Reverb tank by a few months, this is different in that with it’s own speaker it can also be used as an all in one Amplifier. Fully functional with a deep reverb and prominent tremolo, this example also includes the original footswitch. EXC $550

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