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for what it's worth ...

The 'Miller' capacitance of a 2A3 is higher than that of a 300B - 93 pF versus 82 pF. That of a 45 is lower - 36 pF.

So if I were to choose a 2A3 driver for a 300B, the 'predriver' would see a more capactive load that if it were to drive the 300B directly. Cause for thought.


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  • for what it's worth ... - mikeyb 11:54:28 11/17/10 (1)
    • Agreed... - RC Daniel 22:03:42 11/19/10 (0)

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