On Tue, Aug 13, 2013 at 08:08:38AM -0700, Rusty Perez wrote:
> Fons, you're right. I'm going from the xlr out on the tube pack to one
According to the manual, +30 dB. Which is really too much if the
signal is coming from a preamp which can itself provide +60 dB.
What happens is that the preamp produces a very low level hum,
and you boost that +30 dB. If you set the 1010lt to lower gain
you can send a stronger signal from the preamp, and the relative
level of the hum will be lower.
Unless the hum is generated at the input of the preamp. You can
easily check this (see if the hum depends on the gain setting).
> Also, when I get really close to my ART tube pac unit, I hear a quiet
That is normal, what you hear is probably the transformer
of the power supply.
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