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/diy/ - Do It Yourself

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>> No.1545144 [View]
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1545144

>>1545140
forgot pic

>>1545137
Rds(on) only limits the amount of current that can be driven through the speaker. With the mosfet turned on as hard as it can go, the absolute most current it can sink is the rail voltage divided by the sum of the speaker impedance and the Rds(on) by ohms law. Both mosfets are wired as source followers so it'll never go fully "on" anyway, which kind of negates any reason for using a fet in the first place.

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