my little 550 needs help.The sound on the right side fades out after unit is turned on.
Bought new in 76. Is it worth fixing,If so who can repair it.
I would first clean all the controls and switches (like tape switches, etc). Also the contacts in the protection relay, if used. Next I would check for poor solder connections in the pre-amp and power amp sections. Any good tech should have no problem with this.
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