08-25-2013, 01:37 PM
I'm in the same boat.. I've just got too many. I hate to sell this one, but I'm going to have to. It sure plays great. Like you said, no model number anywhere. Radio Museum brings up A31 when I input the tubes, but I can't find any photos of an A31 online to confirm it.
The artist formerly known as Puhpow! 8)