The 1957 Gibson GA-20T is a vintage amplifier that embodies the spirit of the golden age of guitar amplification. Encased in a stylish tweed-covered cabinet and equipped with a Jensen 12-inch Alnico speaker that has an output of approximately 12 watts, the GA-20T strikes a perfect balance of tone and volume, making it suitable for both studio recordings and smaller live performances. Whether you’re a vintage gear enthusiast, a blues purist, or a tone connoisseur seeking an authentic vintage sound, the 1957 Gibson GA-20T is a coveted amplifier that embodies the golden era of guitar amplification.
Standard Specifications
Amp Specs
Number of Channels | 2 |
Total Power/Type | 15 Watts, Class A |
Speaker/Size | 1 x 12″ |
Preamp Tubes | 4 x 12AX7 |
Power Tubes | 2 x 6V6, 5Y3GT Rectifier |
Effects | Reverb |
EQ | Channel 1 – Volume, Channel 2 – Volume, Tone |
Inputs | 4 |
Outputs | N/A |
Effects Loop | No |
Footswitch I/O | No, Hardwired |
Footswitch Included | Yes, Hardwired |
Construction Material | Pine |
Additional Accessories
N/A