Re: testing mic self-noise

[Dan Dugan <>]

Good tutorial on self-noise, Walt,

>You can get a
>fairly good idea of the recorder's self noise by disconnecting the mic,
>though it's pre may react different with no mic.

A mike preamp with its input unterminated is usually noisier,
sometimes a lot noisier. A more realistic test for preamp noise is to
wire up a male xlr with a 150 ohm resistor between pins 2 and 3 to
use as a dummy mike. I'm not sure what to do with an unbalanced
plug-in-power input.

-Dan Dugan


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