Many thanks to ami-man's advice, I now have a working juke. He is a prince amongst men!

Cheers Alan - email on its way.

I don't know if this helps, but I've now discovered that the amplifier is from a Rowe R-82.

Total novice here looking for some advice please. I've been "restoring" a Rowe MM4 juke, and recently sourced a R-2179A amplifier which works perfectly in the juke. Trouble is, it's really really loud. I have a volume control (marked AMI) which appears to have a twin gang pot and a cutoff ...