Thanks everyone. I've got several irons in the fire and I'm probably getting in over my head: A PAM-1 that I haven't even looked at yet and can't power up until I get a Mark III going; An SCA-50 awaiting installation of a new volume control; An SCA-80 awaiting new C7 and C9 caps and gold jacks; Knight KA-95; Dynaco FM-5 return to stock from auxiliary switch to Dolby conversion; And finding an FM-5 mono-blend-stereo switch replacement. needless to say, I'm in need of a lot of coaching.
Don