Quote:
Originally Posted by Panrock
At the start of the television service I don't think any domestic sets offered this feature. It was something that cropped up in about 1938. Then after the war it faded away again... probably before 1949 when the service from the Midlands was added.
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There were one or two post-WWII receivers that covered channel B1 sound or even higher. A couple mentioned in this thread:
https://www.vintage-radio.net/forum/...111407&page=5; were the Peerless 1546 and Mullard GFR520.
Cheers,