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I have 3 1961 RCA Sportabout models(I know this as I have the RCA. advertizing brochure for them. The modles I have are the "Trimette" and the "URBANITE". I had all three working at one time, but the horizontal has gone off on the "URBANITE" and I need to open it up again. The two "Trimette"s that I have work fine except for the irritating buzz in the sound as they power up. Once they are up the sound is pretty good.
The "Trimettes" do not have power transformers but the "Urbanite" does. The "Urbanite also has a 6BQ5 audio output tube, kind of fancy for a B&W portable. The others have the standard 6AQ5.
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