Audio Technology Model 510 Peak Responding LED Display

I’ve had this Audio Technology Model 510 LED VU meter since the 80’s.  Just recently rediscovered in a box, I thought I would do a little research on it.  There is nothing that I could find.  No specs, no company history (Audio Technology has not existed in quite some time).  There are a couple discussions on message boards about the device, but little in the way of historical info.  I will update this entry as I come across any additional information, but in the meantime here are a few pictures of my device and a scan of the original owner’s manual.

Here’s the link to the owner’s manual:

Audio Technology Model 510 Owners Manual

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