Vintage home built amp RCA KD2131 chips Sprague Powerlytic

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Vintage home built amp RCA KD2131 chips Sprague Powerlytic:
$25.00

A very nicely laid out and built chip amp from what I assume is the early days of solid state. This was acquired from the estate sale of an electrical engineer, and it shows.Since I can't find much data on the KD2131 I am hesitant to plug it in to test (I don't have any sacrificial speakers at the moment). I will leave that up to the buyer.Pictures are of the actual item you will receive. If you want more scans/pictures just let me know. I also combine shipping - just send me a note when you win your first sale and don't pay until I send you an invoice for all the purchases.