Super cool little GA-20 Two Tone combo, Gibsons take on the legendary Fender Tweed Deluxe - for about 1/3 of the price!!

Beautiful open bell tone cleans that are a little warmer than with the Fender Tweed Deluxe and a lovely smooth breakup when pushed. And with it's 16 WATTS power you can get all the raunchy rock tones you need. Extra aggressive when plugging into the mic input! Neil Young, Billy Gibbons, Elmore James... It's in there. Also perfect for bluesharp players.

Serviced in March 2025, the preamp section retains all the original yellow Astrons. Original GA-20 110V power- and output transformer, original Jensen P12R Alnico5 PM 12inch speaker 220702 (week 2 1957) 2 x 6V6GT power tubes, 1 x 5Y3GT rectifier, 1 x 12AX7 phase inverter, 2 x 12AY7 preamp tubes. Original grill cloth, handle (!), two tone tolex, chickenhead knobs, pots and most electronics. Gibson logo is a repro. Powercord replaced for a 3-prong grounded cord, original cord in the box. Comes including an external 110-230V power transformer.

GA-20 two-tone guitar/mic combo 
Power: 16 WATT 
Speakers: 1x12" (Jensen) 
Inputs: 3 x instrument + 1 x mic.
Channels: 2 
Volume Controls: 2 
Tone Controls: 1 
Tremolo: No 
Tubes: 6 (1x12AX7 2 x 12AY7, 2 x 6V6GT, 1 x 5Y3GT) 

Listeda month ago
ConditionVery Good (Used)
Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more
Brand
Model
  • GA-20
Finish
  • Two-tone brown
Categories
Year
  • 1958
Made In
  • United States
Speaker Configuration
  • 1x12"
Electronics
  • Tube
Direct Output
  • No Direct Output
Number of Inputs
  • 4 Inputs
Reverb
  • None
Power Tube Type
  • 6V6
Number of Channels
  • 1 Channel
Output Power (Watts)
  • 16

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