[HiC]

On Feb 6, 2:53 pm, (Scott Dorsey) wrote:

If there is nothing plugged into the preamp, it will be noisy because it
is seeing no source impedance. Try shorting pins 2 and 3 of the mike
input and see how quiet THAT is. That's your actual noise floor.
Having the mike plugged in and the phantom turned off should give you
a similar number.

Doesn't seem to make much difference. At the same soundcard mixer
levels as previously described, with the preamp disconnected
altogether from the soundcard, makes about 2db difference when
compared to the preamp plugged in, mics hooked up but no phantom.

Then plug in the mike. Note that the mike you are using is one that I
would consider very noisy, but note also that what you're getting is
the room noise plus the microphone noise.

Not much room noise to speak of, per my previous description - sound
booth, plus mics further muffled with pillows and a sleeping bag.


Well, you have a fairly noisy preamp with a fairly noisy microphone,

Doesn't seem to be much debate regarding the mics, but I was under the
impression that this pre was supposed to be considered pretty quiet,
per reviews I've seen.


so the end result will tend to be noisy. But who cares?


Well, me given that I have a specific task in mind.