Hello all! I am new here and hope I’m not intruding.

I work for a music store in St. Louis. A guy came to the shop today to consign a few items that were left in the estate of a relative. For the most part they were not that exciting except for the amp which clearly read on the top ‘Electro-Harmonix Mike Matthews Freedom Amp’. At first I was quite puzzled as the amp did not have a power cord or anywhere to even attach one. I had never seen a ‘Freedom Amp’ before. After googling and reading a bit I landed here where I have found the best info so far.

I opened up the back of the amp and found the enormous battery compartment. Luckily, it was empty, and not full of corrosion. I’m assuming it still works as it looks to all be there, but can’t tell without loading 40 D cells into it. Is there any other easy way to know? D cells are not something we keep around the shop, and don’t really want to incur the expense of them only to find out it doesn’t work.

Th amp has two 1/4″ inputs, the three control pots, a single speaker, and is covered in black tolex. Based on what I’ve read, this is one of the rarer (rarest?) models? Drives me completely nuts that we can’t just plug it in and play it. I’m assuming a good amp guy (we have one) could mod it to work with a cord, but would that be heresy? If we do sell it, would it do better all original or with a mod?

Will post pics tomorrow of internal & external. Thanks for your time and any advice is very much appreciated.