Gibson Goldtone GA-15RV 15w, 1x12, Class A, Valve Combo Guitar amp with Celestion G12 Vintage 30.
It has a few marks and small tears in the tolex.
Gibson logo missing but otherwise in excellent working condition.
I took it in recently to have it serviced.
It has two new filter caps, some solder joints have been reflowed, and it has been bench tested with a clean bill of health in August 2022.
(See receipt)
Includes dual inputs, a bright switch, Accutronics 3-spring reverb tray, and switchable pentode/triode modes.
The GA-15RV has a single volume knob and a particularly clever tone control that uses a dual-ganged pot to simultaneously adjust treble and midrange - turning the pot counter-clockwise increases midrange while decreasing treble.
Conversely, turning the pot clockwise increases treble and decreases Mids.
The Triode/Pentode switch also greatly expands the amp’s range of tonal textures.
In Pentode mode, the GA-15RV sounds surprisingly taut and punchy — easily loud enough for small club gigs - producing a sweetly detailed treble that is further enhanced by a sub-layer of aggressive British mid-range grind and gristle.
In Triode mode, the volume drops significantly, and the tone becomes thick and creamy-smooth.
Overdriven tones occur also at much lower volumes, with less British bite and a more resilient feel.
The Bright switch adds tasty top-end chime and ring—a nice thing with humbuckers.
Use the EXT SPEAKER OUTPUT to connect the amp to an external 16Ω speaker cabinet, such as a 4 x 12, for a different sound.
This is useful for both live and studio use and can radically change the sound of the amplifier.
Try it at a high volume into a 4 x 12 and you will not believe you are playing a 15-watt amp!
When the jack is inserted into this socket the internal speaker is disconnected.
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