Correction-Re: Info on 561B wanted


Steve B.
 

--- In TekScopes@y..., "Steve B." <baldy3823@y...> wrote:
1: The fastest amp P-I's (3A1 & 3A3) use expensive and failure-
prone E55L tubes.
That is 3A1 and 3A6 10 mHz D-T amps that use E55L (3A3 is a D-T
500kHz diff amp w/different dfl driver tube).

Rgds; Steve Bringhurst

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