If that's an RA-103, it has a real F/S discriminator, and one stage of limiting, a 6SJ7 1st audio, and a 6V6 output, at least that's what's in my doghouse. Average. But it could have a different amp seperate from the chassis.
BTW Phil, Thank You for posting the info on the RCA 8" personal portables. It was invaluable to me when I did mine!
Kevin
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