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RCA, Zenith, and Sylvania made 23" and 25" delta gun CRT TV's until 1980. The 19" and smaller sets started going inline by the mid '70's; but, I have seen a 19" Zenith from '78 and I own a 19" RCA from late '79 and these both have 19" delta gun CRT's. Years ago, I had a 25" Teknika console that was a rebadged Wells-Gardner. I think it was an '81 model and had a delta gun CRT. I don't think you'll find any delta gun CRT sets newer than around '81 because the inline tube had been perfected by that time and the inline tubes didn't require the elaborate convergence circuitry that a delta gun tube requires.
Besides portacolor's and Sony's, the oldest inline CRT that I recall seeing was from around '73. RCA had a 15" portable with an inline CRT and Magnavox had some 17" and 19" sets with bonded yoke inline CRT's from around '74. GE had the oldest 25V inline CRT that I remember seeing and it was used in their "YM" chassis sets that were made during the mid-to-late '70's. This was a large neck tube that had a base that looked like a regular delta gun tube; but, the connections were different for the inline tube. Sylvania also used a large neck inline CRT in their 19" and smaller TV's from the mid '70's.
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12-16-2011, 11:06 AM
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