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Pre-53 sets with wide bandwidth and DC restoration are the things that make the sets high class.
The epitome of best quality RCA B&W sets was 1951-52, just before color. Four IF stages with 4MHz bandwidth and DC coupled video amplifiers really counts for getting a good picture.
I also think printed circuits with tubes is a bad thing. That is why Zenith touted "hand wired quality" long after almost all other set makers went to printed circuits.
This reminds me of an incident a few years back when I was looking or a Zenith Silver Sensor antenna. She was about 20 years old and she didn't know what Zenith was. I said "you know.. the quality goes in before the name goes on" and she thought I was crazy.
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