EHX - Rhythm 12

All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.
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reb
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Post by reb »

I just acquired one of these little drum machines. It's a little hacked up under the hood. Anyone have schem? I struck out with google.
Thanks,
Rob
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analogguru
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Post by analogguru »

reb wrote:I just acquired one of these little drum machines.
Any guts ?
It's a little hacked up under the hood.
That doesn´t really matter....
Anyone have schem? I struck out with google.
Thanks,
Rob
... to trace the unit.

Is there a chip inside called M252 or M253 ?

analogguru
There´s a sucker born every minute - and too many of them end up in the bootweak pedal biz.
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reb
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Post by reb »

the chip is a M255B1AB
here's some photos.

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