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Is that 30 pin chip, the only one in the Sony radio, or is there a separate audio output stage?
The Sony looks like the old design, tuning capacitor frequency selector, instead of the newer voltage controlled synthesizer type tuning, used in the newer designs.
On a side note, I'm amazed how well the first four transistor AM table radios performed. I'm referring to the ones built in the late 60's, that had the high voltage output transistors. They performed and sounded as well as the AA5's of the day.
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