Dating old gibson amps

Posted by / 18-Apr-2020 07:57

If you like the sound clean and round, change coupling caps to .1s, .05s for edgier, 'twangy' sound. Single-ended / Class A circuit; 12AX7 pre-amp, 6BM8 output with the front triode section operating the Tremolo function, and a 5Y3 rectifier. Reverb: Yes Tubes: 4 (6EU7, 7199, 6BM8, 5Y3 or Pre (1x7100, 1x6EU7, 1x6BM8 5Y3)) Extension Speaker Jack: No? 16W 1x12" Guitar Combo with Reverb and Tremolo Speakers: 1x12" Inputs: 2 2 Channels: 2 Volume Controls: 2 Tone Controls on Each Channel: 1 Tremolo: Speed, depth Reverb: Yes Tubes: 7 (4x6EU7, 12AU7, 2x6V6, 5Y3) Extension Speaker Jack: No Monitor Jack: No Watts Output: 16 Shipping Totals: 1961: 396 I have one my father bought in 1961. (John King's web-site) The sound with a Les Paul Deluxe was awesome. I had many a good gig with my friends with it cranked with an Ibanez screaming through it without going deaf. Did I mention that it weighs something like 10 lbs.?

When my copy arrived, the reverb tank / FS were long gone; bought a used Dan-Echo; terrific, musical, sporty amp. 8W 1x8" Guitar Combo with Reverb and Tremolo Speakers: 1x8" Inputs: 2? I'd give this amp a ten for ten, considering that it was designed and built 50 years ago. [...] I really love the sound of both of these amps [GA-5 [(two-tone)? at full volume with high-output pickups, especially the GA-5T.

[...] Like the earlier Les Paul Junior, the controls were mounted on a slanted panel at the upper rear and consist of: 2 inputs, volume control, fuse holder, on/off switch and a jeweled pilot light.

(John King's web-site) Rate the GA-5 Skylark (two-tone)... During its tenure of 1954 until the late 60's the GA-5/GA-5T was probably Gibson's most popular model of amplifier.

[...] The GA-5 tube compliment during this period was: 1x6EU7 (pre amp), 1x6C4 (phase inverter), 2x6AQ5s (in a push pull power amp design), 1x6X4 (rectifier). The controls, now located on a sloping *front* panel, are; 2 inputs, volume, rotating on/off knob, jewel pilot light and fuse holder.

With this design, the tubes were mounted horizontally on the back of the chassis (top of tubes pointed to rear). (John King's web-site) 1963 [GA-5] Skylark [(Crestline)], Brown Tolex, Very Good , [US] $350 (see second pic) Complete original Skylark -Speaker & all (Atlanta Vintage Guitars, June 19, 2003) Unless it's in mint condition, the factory 10" Gibson Ultrasonic should be replaced with at least a Jensen RI ceramic and new tube set.

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When my copy arrived, the reverb tank / FS were long gone; bought a used Dan-Echo; terrific, musical, sporty amp. 8W 1x8" Guitar Combo with Reverb and Tremolo Speakers: 1x8" Inputs: 2? I'd give this amp a ten for ten, considering that it was designed and built 50 years ago. [...] I really love the sound of both of these amps [GA-5 [(two-tone)? ]] at full volume with high-output pickups, especially the GA-5T.[...] Like the earlier Les Paul Junior, the controls were mounted on a slanted panel at the upper rear and consist of: 2 inputs, volume control, fuse holder, on/off switch and a jeweled pilot light.(John King's web-site) Rate the GA-5 Skylark (two-tone)... During its tenure of 1954 until the late 60's the GA-5/GA-5T was probably Gibson's most popular model of amplifier.[...] The GA-5 tube compliment during this period was: 1x6EU7 (pre amp), 1x6C4 (phase inverter), 2x6AQ5s (in a push pull power amp design), 1x6X4 (rectifier). The controls, now located on a sloping *front* panel, are; 2 inputs, volume, rotating on/off knob, jewel pilot light and fuse holder.With this design, the tubes were mounted horizontally on the back of the chassis (top of tubes pointed to rear). (John King's web-site) 1963 [GA-5] Skylark [(Crestline)], Brown Tolex, Very Good , [US] $350 (see second pic) Complete original Skylark -Speaker & all (Atlanta Vintage Guitars, June 19, 2003) Unless it's in mint condition, the factory 10" Gibson Ultrasonic should be replaced with at least a Jensen RI ceramic and new tube set.

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If you like what you hear, consider upgrading to a Weber.