The resistors are very interesting, particularly the V1 plate 100k's. They are colored like carbon comps but shaped like carbon film. I've never seen any like them before but honestly haven't seen many 65 JTM45's.
Show me the underside and I will tell you. In 64/65 they moved from RS with selector on top (hammer paint and top cover with rolled over sides to the very similar Drake but flat ended plated cover.I have one similar but RS output & choke. My question (which may already have been answered) is for the power transformer. Is this Drake iron?
Thanks for the education. Your secrets safe with us! I will certainly leave those parts to you and those that restore or recreate these early amps. Now Iskra's for a late 60's circuit is a different story, I'd be on those like a fat kid on a cupcake!
Show me the underside and I will tell you. In 64/65 they moved from RS with selector on top (hammer paint and top cover with rolled over sides to the very similar Drake but flat ended plated cover.
I have used both and don't hear any difference either.
That is exactly my experience with the same spec amp with RS vs Drake OTs. However when fully cranked they sound very similar to me.Thanks tom & neikeel. I have both a 1965 & 1966 JTM-45 and the '66 is darker and a bit more aggressive whereas the earlier block logo (RS output & choke) sounds more glassy and Fenderish (with a bit more bite than Fenders - when cranked)...