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Mailist to discuss all issues regarding the Digitech GSP-2101 Guitar FX Processor

Index last updated: 2026-04-28 23:25 UTC

Message

Re: crystal change

2004-12-07 by saber540ltd

Thanks a lot for that info!


--- In gsp-2101@yahoogroups.com, Adrian Teo <adrian@f...> wrote:
> The 10/20 Mhz refers to the main Z80 processor that handles program 
> switching, parameter control, MIDI I/O. A faster processor means 
more 
> responsive footcontrol response, quicker program switching, etc, 
but 
> does not affect the sound quality in any way.
> 
> Ths S-DISC chip(s) on the 2101 both run at 24.576 MHz (512 x sample 
> rate) no matter what  the control processor runs at, so the DSP 
> processing is the same speed.
> 
> Adrian
> 
> On Dec 6, 2004, at 7:00 PM, saber540ltd wrote:
> 
> >
> >  I did a little test. Out of curiosity, I recorded my GSP2101 to 
my
> >  computer using Cakewalk, with the effects send going to one 
track and
> >  the right output (with the wet/dry mix set to 100% dry) going to 
the
> >  other track. When I analyzed the wave data, the right output was
> >  around 6-7 ms delayed compared to the effects send. Since sound
> >  travels at around 1 foot per second, it should sort of sound like
> >  playing 6 feet (2 metres) farther from you're speakers. My 2101 
is
> >  still at 10MHz though. I don't know if going to 20MHz would make 
a
> >  difference here.

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