On Tue, 2013-08-13 at 12:52 -0700, Rusty Perez wrote:
Lower the level of the card's inputs and increase the level of the tube
pre amp outputs (by it's inputs ;) and listen, perhaps it's audible when
the settings don't fit 101% perfect to the optimal operating points of
the card's pre amp and of the tube pre amp. If you can't hear a
difference, than it doesn't matter.
This is the idea:
On Tue, 2013-08-13 at 15:53 +0000, Fons Adriaensen wrote:
IOW, if you've good luck increasing the level of the tube pre amp will
increase the signal and not, resp. less the hum. Reduce the level of the
card's pre amps as needed.
On Tue, 2013-08-13 at 16:00 -0400, Martin Peach wrote:
Unlikely, even a spring reverb shouldn't vibrate caused by vibrations of
a loud, but small transformer. Even a bad transformer still isn't a
truck-mounted seismic vibrator, even not a massage table.
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