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On Thu, 17 Aug 2006 13:32:38 +1000, "Phil Allison"
<philallison@xxxxxxxxxx> wrote:
>
> Is the 2n7000 not the right choice for this circuit?
>
>
>** No - it is not a " power mosfet".
>
> Try something in a TO220 pack.
This is a little milliwatt amp intended for a 9 V battery a 2N7000 is
probably good. A single ended class A with the speaker in the circuit
is not going to want a high DC offset on the speaker . . . for that
one needs a transformer, or resistor (or constant current source)
replacing the transformer and a large electrolytic to couple to the
speaker.
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