The control room has been a given almost since recording started - even 
field recordings would be done with a partition or curtain between 
performers and equipment. Post-1925, the need to monitor the incoming 
signal would make a separate room a necessity.

On 22/04/2019 17:34, Chet Falzerano wrote:
> Could someone please advise me if during the 20's and 30's 78 recording
> sessions, was the recording equipment located in the same room as the
> musicians? Or, was there a separate "control room"? I am specifically
> interested in the Decca studies, New York City as I am involved in a film
> short project and the music director maintains the "control room" came
> later.
>
> Thank you.
> Chet Falzerano

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