This is a studio rack reverb unit. Has been in storage for a while. I do not have the equipment to test it, but it worked when it was placed in storage. So, it should work now. Unit powers up. The unit has some scratches and a little rust on the bottom. Product offered as is.&lt;br&gt;&lt;br&gt;&lt;a href=&quot;http://reviews.harmony-central.com/reviews/Effects/product/Korg/DRV-1000/10/1&quot; rel=&quot;nofollow&quot;&gt;http://reviews.harmony-central.com/reviews/Effects/product/Korg/DRV-1000/10/1&lt;/a&gt;
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