Iain Churches wrote:
"John Byrns" wrote in message
...
The BBC seems to have used "low level mixing" as late as the 1950s,
necessitating only one microphone amplifier for typically 4 microphones.
There are some interesting BBC pics of Type A equipment at:
http://www.btinternet.com/~roger.bec...pea/typea1.htm
Iain
RDH4 cites a 1946 BBC article about the design of this desk. I managed
to get my local library to get me a copy. Fascinating.
Cheers
Ian