I purchased my first JCM800 recently the new Studio SC20H. Kind of fell in love with the little 20 watt's tone so for fun I have decided to scratch build a 2204 50 watt. The first batch of components arrived lets have a look. Mercury Magnetics power transformer P50JM-475. Mercury Magnetics output transformer 050JM. Mercury Magnetics choke MMC-3H. Vishay BC 100,000 hour Polypropylene film filter caps, 5% tolerance. Synergy Royal Mustard USA signal caps. OHMITE 5W wire wound resistors. Film caps continue to shrink in size. I have these drawn on the PCB/turret board and they fit fine. Top view Side view. The 50 watt power transformer is the same size as a 100 watt. Comparing the size of the output transformer, here is a 100 watt on the left vs the 50 watt on the right. This will be the first time I have used these Synergy Royal Mustards. Fingers crossed. Digi-key misrepresented these TE Connectivity 3W power resistors on their site. I may go with a different brand. Next I'll continue work on the CAD for the PCB/turret board.