carlc Posted March 13, 2009 Share Posted March 13, 2009 Hi all, I'm new to the forum and am looking for help in getting a model # and specifications for a Gibson amp I recently picked up. I believe it is from the early '70s. I have pictures. It is 2 channel, 1- 15" speaker, reverb and tremelo on one channel. Thanks, Carl Link to comment Share on other sites More sharing options...
Gibson Gear01 Posted March 13, 2009 Share Posted March 13, 2009 Carlc, Is it a tube amp or is it transitor/Solid state? Link to comment Share on other sites More sharing options...
Californiaman Posted March 13, 2009 Share Posted March 13, 2009 Post some pictures. Link to comment Share on other sites More sharing options...
carlc Posted March 14, 2009 Author Share Posted March 14, 2009 Here are a couple of pics: Link to comment Share on other sites More sharing options...
carlc Posted March 18, 2009 Author Share Posted March 18, 2009 Without a model number on the amp, is there any way to tell if it is a G60, G70, G80, etc? Link to comment Share on other sites More sharing options...
elantric Posted March 18, 2009 Share Posted March 18, 2009 Look at the rear - see the black plate with the Footswitch jack - the Model number is located there. Looks like a solid state C.M.I Gibson Amp, circa 1971. Built in El Monte California. Identical chassis was used in G50, G60, G70, G80 - Its probably a G70 - or the Model with one 15" speaker. Schematic is here: http://www.schematicheaven.com/gibsonamps/ga50_60_70_80.pdf Link to comment Share on other sites More sharing options...
carlc Posted March 18, 2009 Author Share Posted March 18, 2009 That's what I was talking about...there is no model number on the ID plate, only a serial number. Link to comment Share on other sites More sharing options...
Californiaman Posted March 18, 2009 Share Posted March 18, 2009 Looks similar to G-90s I've seen. Link to comment Share on other sites More sharing options...
riclin Posted May 6, 2009 Share Posted May 6, 2009 Here are a couple of pics: Link to comment Share on other sites More sharing options...
riclin Posted May 6, 2009 Share Posted May 6, 2009 :-s Here are a couple of pics: Link to comment Share on other sites More sharing options...
riclin Posted May 6, 2009 Share Posted May 6, 2009 This looks like my G50, but mine is 1x12 speaker. It is probally a G60 or G70 . I also have a G80 which I purchased in 1975 . Same type amp except 4x10 speakers. I found it ( again -20 years later- with many parts missing , and have got most of it restored, except the reverb. ) I can't find much in the way of a spare parts list. Your amp was made by C.M.I Lincolnwood ILL. , for Gibson, in the '70's. The good people on this site has posted a schematic ,if you have problems. I have no idea how to to read the serial with respect to the year made. The chassis on my G80 is stamped 1974 on the inside of the unit. Link to comment Share on other sites More sharing options...
riclin Posted May 6, 2009 Share Posted May 6, 2009 :-s Here are a couple of pics: Link to comment Share on other sites More sharing options...
riclin Posted May 6, 2009 Share Posted May 6, 2009 :-s Here are a couple of pics: Link to comment Share on other sites More sharing options...
flynnco Posted June 6, 2010 Share Posted June 6, 2010 This amp I believe is a G60 series 120 watt two channel single 15 inch speaker solid state I own one and it looks identical to mine. Great amp with lots of power Link to comment Share on other sites More sharing options...
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