Jerry Garcia’s McIntosh amp


Does anyone know what model McIntosh amp it was that Jerry used when he played live onstage?  He sure seemed fond of it and I might like to play my guitar thru one as well.  Thx,  Gordon
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He had one on stage behind him that I think his guitar was plugged into.  Was this also a MC2300 ?
Phil Lesh used McIntosh not Jerry. Jerry used a Fender Twin that was silver faced, later he was using a Mesa Boogie Mark 3 and for effects he used a Mu-Tron 3. For additional speaker application for the Wall Of Sound they used stacks of Phase Linear 400`s and later 700`s.
Damn rh67 you know a lot.  I thought he had Tiger and Rosebud plugged into an amp behind him that he fiddled with from time to time... or am I mistaken?  I only got to see them from 87-93.  Those were my years and that’s the amp I’m talking about.
His rig changed overtime, but for a long time he played a Fender Twin Reverb with the preamp outs into a McIntosh 2300 amp.  He used various MXR, Boss and Mutron effect pedals.
Didn’t he plug into a Mcintosh amp onstage during those years from 87-93?  That’s the setup I’m looking for.