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In Reply to: RE: Amp Identification help needed. posted by RonRon on May 20, 2021 at 11:43:07
Why would you think it's not a Westinghouse amp? If you're concerned about originality of the transformers, pull the screws and look to see if the chassis appears to have been re-drilled for the feet. Otherwise, the tube lineup looks straightforward, so it shouldn't be too difficult to reverse engineer the schematic.
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Buy Chinese. Bury freedom.
Follow Ups:
The reason I question the brand is because the only listing for a model 133 Westinghouse is an H-133 which is a portable radio, according to the antique radio museum. I am fairly certain the tranny is original as none of the wires have been spliced, and are all the exact correct length. I bought the amp off Ebay. The (reputable) seller sent me a message, when I questioned the amp, and said it came out of a radio/record player console. I'm just learning about tube circuitry and find it difficult to follow the signal without looking at the schematic at the same time. The transformer is the common size you see on 6X4 rectifier tubes. Guess I'll dial it up on the variac for a super short period and see what happens.
R.W.R.
Well, the only other thing you could do is ask the seller if he still has the console, or if he wrote down the console model number before trashing it. It's usually found on a tag on the back, and it's probably different than the amp itself. SAMS should list the number of the console.
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Buy Chinese. Bury freedom.
Transformer numbers will include a date code and can confirm that you have the correct service info. No Westinghouse models with that tube lineup on Radiomuseum, but they don't have everything.
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