Roland TR-707

“Roland TR-707. Condition is Used. If you’re viewing this drum machine then you probably know about this classic.
Drum machine works! I’ve added electrical cleaner to the knobs and slides so no crackling. There are some scratches and stains see pics. Other than that it’s in nice shape. It has battery cover. I repaired this device. I installed a new power plug and got a replacement power supply. This power supply was specifically bought for this unit to meet specs. Do not use other. Technical note: this drum machine uses a reverse polarity power supply so use the one I will send with this.”
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