What does XTAL SET stand for?
What does XTAL SET mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: XTAL SET.
Acronym for 'crystal set'; Simplistic radio receiver with basic tuner/detector circuitry. Signal power of radio station effects 'detection' of radio frequency signal and 'excites' audio signal in earphone circuitry: