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TheoryTron is a discontinued series of TVs created and marketed by Theorysonic from 1964 to 1989 and it was replaced by the current Nehervia television sets. It is available in NTSC, PAL and SECAM markets.
History[]
Theorysonic had entered the television market in 1964 along with the radio.
TheoryTron was criticized for its maximum frequency channels of 12, while its competitors' televisions had 13.
Watching UHF and cable TV channels requires a UHF converter or set-top-box for TheoryTron to watch more channels like channel 23.
Models[]
Image
Model
Released
Notes
TS-400
September 14, 1964
First TheoryTron-branded TV and also Theorysonic's first TV.