a crystal set

(redirected from Crystal sets)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to Crystal sets: Crystal radio

a crystal set

A now-outdated type of radio. The "crystal" in the name refers to a "crystal detector," one of the component parts. My grandparents talk about how they spent many a night huddled around the crystal set—whatever that is.
See also: crystal, set

crystal set

An early type of radio. The first type of radio had only five components: an antenna that picked up the signal, a wire tuning coil with which the listener selected the station, an earphone to hear the broadcast, a ground wire to dissipate the electricity, and at the heart of the apparatus, a crystal detector that produced the audible signal. The crystal was a tiny chip of crystalline ore or stone such as galena. Generations of youths built the sets from scratch and spent hours hunched over the device to hear broadcasts from nearby stations. The reception range tended to be limited, so the introduction of diode tubes that increased reception marked the end of crystal sets' popularity.
See also: crystal, set
References in periodicals archive ?
Glass and crystal sets, decanters and related items of both plastic and steel, took the second-largest portion, around 33 percent.
Glass & crystal set, decanters & related items*; 33%; 33%
A third of the consumer dollars went to glass and crystal sets and decanters, while less than a quarter went for tools.
Glass & crystal sets, decanters and related items*: 33%; 34%
He is intrigued by the progress made in broadcasting since the first crystal sets were used for military purposes during the First World War.
At the same time it will help visitors to construct their own simple wireless crystal sets made partly from recycled materials.
Early crystal sets from the same period still sell for less than pounds 100.
There are also old radios, telephones, typewriters, gramophones, sewing machines and early television sets, crystal sets and musical boxes plus some superb railwayana.
Catalogers, though, have begun to capitalize on the incremental sales these "ensemble packs" generate through Hi-Lite, which offers four- and five-piece crystal sets.
He claimed he started with basic four-pack crystal sets at $19.99 and gold-rimmed crystal packs at $29.99 from Arc and took off from there.
The lots include ancient typewriters, sewing machines, early calculators, crystal sets, phonographs, musical boxes, vintage radio and television sets, cameras, magic lanterns, fortune telling machine (pounds 200-pounds 400) and a host of other automatic machines.
Sales of Riedel's Bring Your Own crystal sets -- glasses packed in a traveling bag -- are soaring among wine lovers who think the Riedel's scientific approach to glass making brings out the best taste of the wine (or champagne).