Join Date: Jan 2009
Location: upstate New York
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I'm with you, my best guess would be a "variable" (?) phono preamp. It's hard for me to judge it's size but It seems overly large and robust. Is there any chance it could have sat under a turntable as a sort of stand. If not it looks like it was made to have something sit on it. Maybe a power amp that it was feeding. Looking at the cap's and having "gold" RCA's it doesn't seem really that old ... maybe 80's. Whoever built it knew their stuff judging from all the components they used. It seem fairly complex for a homemade job. They could have been copying a schematic of a factory made product hence the large layout. Without knowing what tubes it was designed to use you may never know for sure how it works / sounds.
If it had 2 sets of inputs and outputs I would have though it was a preamp / mixer for 2 turntables.
The lazy man finds the easiest way ... Ben Franklin