Marshall Model #2550, Model #2553 & Model #2558 50W- Lead Model2550, 2553, 2558Watts25Folders Amp Archives Marshall Schematics & Layouts Amp Schematics Silver Jubilee ModelsModel #2550, Model #2553 & Model #2558 50W- Lead 2Images Leave a Comment Cancel replyYou must be logged in to post a comment.