Sound Master SR-88 (blue version) early 1980s analog drum machine

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video upload by Painted Blue

"Super duper amateur demonstration of a early 1980s era analog drum machine is a super sweet blue.

There's another slightly more advanced gray version under the same name that LookMumNoComputer/THIS MUSEUM IS (NOT) OBSOLETE covered: [posted here] But it doesn't look half way as sweet.

I uploaded a high res scan of the box and instruction manual here: https://archive.org/details/sound-mas..."

via this listing