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Can anyone here explain "Current Drive" phono stage design?

Apart from a very low input impedance, what other design elements are needed for "current drive"? I would imagine you need a first gain stage with high Gm, as opposed to high mu, but...

Thanks.

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Topic - Can anyone here explain "Current Drive" phono stage design? - Lew 12:59:47 05/08/16 (6)
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