The Pye QAC3 is a British five-valve tabletop superheterodyne radio from 1937. It covers three bands: short wave, medium wave and long wave. The shortwave range is about 5.7–19.4 MHz, including frequencies used by radio amateurs. It was made for AC mains, with a voltage range of 100–250 V.
The service manual for this radio is available in the Members’ Area here.

