Quote:
Originally Posted by W.B.
For political reasons (read: please the BBC), EMI cameras' international distribution was very limited, if at all - unlike Marconi, ..
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Very intriguing as the BBC had unlimited spending & clout
The brochure on TVcameraMuseum has the Queen's Export Award insiginia at the top, but it must be for EMI in general and not for the cameras.
Potential American buyers must have loved the pictures but balked at the price - thus the 3-tube version proposal.
So why did EMI use 4 (identical?) tubes ? Apparently the thinking in the sixties was that having a separate Y channel would mask registration drift - a problem later solved enabling 3-tube (Model 2005) with stable scan (Op-Amps, Neg feedback...)