[LAU] Making great guitar sounds on GNU/Linux

[Joshua Boyd]

On Mon, May 12, 2008 at 04:07:36PM -0400, Christian Delahousse wrote:
> Another question about impedance and guitar sounds: I have a Tascam US 122
> interface with guitar (hi-z)/line(low-z) switchers on the inputs (2 ins with
> preamps and 2 insert jacks) and a guitar tube amp with an effects loop
> preamp out (Fender Hot Rod Deluxe).
> 
> If I use my amp's preamp to colour my tone before going to the interface,
> will the signal coming from the preamp out be high impedance or low
> impedance (line). Should I plug the cable into the line level input, guitar
> (hi-z) input or the insert jack (since it has already been preamplified).

I would use the line in.  I would only use the insert jack if I was
actually using it as a loop, unless I knew it was OK to do otherwise.
 
> Would all this be worth the trouble? Will using tube preamplification change
> the attainable tones?

It depends on if you like the tube pre better than a computer model of a
pre-amp.  I would imagine that the answer would be yes, you do want to
use the pre-amp.