UPDATE:
I’ve added lots more to one of the ‘Pye Audio Mixer’ articles, the one on the valve studio mixers. This was brought about by my obtaining a great colour photo of a surviving desk in Melbourne, and has enabled a much more detailed description of what these old valve mixers could, and couldn’t do.
Click this link to get there:
https://postfade.co.uk/1950s-mid-1970s-pye-broadcast-audio-consoles-part-three-the-studio-mixers/

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