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Looper's Delight
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You can indeed switch amp models within a patch. either using the green/red amp footswitch or, I believe, using the control footswitch. I've never noticed much of a gap when changing amp models within a patch. Jim Palmer wrote: >> ...still an issue with the GNX4? > > > sadly the gnx-4 also does this. > > there are two distinctly different artifacts, which people often seem to > confuse, > that result from patch switching in guitar processors. brians question, > which started this thread, has to do with modeling processors, which use > microprossers to model amplifiers,preamps,etc. on all the modeling > processors i've used (pod, gnx-3, gnx-4) there is a gap during patch > changes while the amp model is reconfigured. no sound is output during > this gap, and the sound is gated hard on both ends, which is quite > disconcerting. the gnx-3 has a gap of ~100ms. a dual processor > approach could fix this, but i don't know of any devices that do. > stompbox mode in the gnx series allows you to turn single effects on and > off. this works quite well, but obviously you can't switch amp models > with it. you can switch amp models by morphing, but it's not as simple > or convenient as changing patches. > > the sansamp units switch instantly, but i think they belong to a > different category. most programmable tube preamps without built-in > effects switch seamlessly. > > the other artifact is the stopping of time-based effects (reverb, delay, > resonant filters, etc) while switching effects algorithms. there is no > gap, just an audible stopping of the natural decay of the previous > effects. this can be fixed by clever programming or dual processors. > the digitech 2101se does this quite well. note that the preamp path of > this unit is analog, so there is no gap between patches, even when using > more than one processor per patch for effects. > > > -- Tom Combs SEP, Inc. 11611 N Meridian Street Suite 800 Carmel, IN 46032 (317) 843-1640