my amp as purchased in 1987 or 1988. it has model # 2550 on the silver faceplate. the power. switch is a toggle and the serial # is 03690
please tell me more abou t this amp and how to date it!!!
Hi Clayton,
Thank you for reaching out, can you please send more details including photos to the below email address and someone will try and help you.
servicedesk@marshall.com
Regards
Marshall Support
