Submission Rating: Needs Review
with that logo its a superlead but not a plexi, a large logo like that would just have a plain metal control plate and a somewhat different version of the superlead circuit with split cathode preamp and a huge bypass cap.
Changed Quality Rating to: Needs Improvement (Notes)
This is where you can recommend to readers an alternative - or gear that goes with - Marshall JMP50 Plexi Amp Head. What gear sounds similar, is less expensive, higher-end or boutique, etc.?