Why did Philco use different CRTs in same model in 1956? - Videokarma.org TV - Video

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Why did Philco use different CRTs in same model in 1956?

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05-19-2004, 05:51 AM

domfjbrown domfjbrown is offline

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Join Date: Oct 2003

Location: Exeter

Posts: 82

Quote:

Originally posted by Tubejunke
The 21EP4 has what is referred to as a "Cylindrical Faceplate" and the 21ZP4 has a "Spherical Faceplate"

Just a guess, but is cylindicral like Sony's Trinitron - bending in only the horizontal plane, while the spherical one is more like any moden non-FST/flatscreen tube?

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