<dl><dt>EMI studio mixer <span style="font-weight:normal;">(1940s)</span></dt></dl><pre>This is one of the world's oldest surviving recording mixers. It was
built for Abbey Road Studios (then called EMI Studios, London) in
the 1940s. It has several inputs on the left side, where the volume
of each microphone can be set or adjusted. On the right-hand side,
a second setup of the microphones can be pre-set, and the
operating engineer can fade from one setup to the other using the
center control. Unlike later studio mixers, it has no tone controls
and only a mono output (some controls and knobs have long 
been removed).

"Courtesy of EMI Group Archive Trust a charitable organisation which
preserves the early heritage of The Gramophone Company and EMI"
</pre>
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