After I was lucky enough to come across an original 1964 4x12 cabinet, I wanted a matching split panel head with coffin logo to go with it....originals are rare and a small fortune, and there are more fakes than the few dozen built originally, from what I have gathered. The original 4x12 was painstakenly restored, with all the original hardware intact, including the coffin logo. So, I did some research, and had a Jtm45 replica built, with as many NOS parts as could be located, including an original Radiospares output transformer, NOS mustard caps and Piher resistors, Bulgin AC setup, fuse holder, etc. I am sure I am leaving some items out. The main builder doesn't want credit, so I won't give him any, LOL. Seriously, though, Ray Domzalski, well known on other forums, did a spot on headbox, using the original type Rexine that Marshall used back in the frst year of production. Ray also did the replica board itself, as well. Just gorgeous. The aluminum chassis was done by Chris Merren, to fit the Radiospares tranny, and a Marstran power tranny was used. The handle ends and logo are Marshall reissue pieces, and they are actually spot on to the originals on my 4x12 cab. The repro leather handles were by Abbeystudios Davey Gordon, and are fantastic, as well. The RS white grill cloth is by EC Collins, the guy who does the "exact to original" original grey pinstripe for the 66-67 era cabinets, and also supplies Marshall for their 50th anniversary cabs. The chassis was done by a well known forum member who was instrumental in having a forum section for builders here... It turned out fantastic, and the sounds this makes are just out of this world. Amazing chime and clarity, growl, and just beautiful tones. Takes pedals perfectly. Lovepedals, in particular. Many thanks to the forum member/builder who did such a masterpiece for me!