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

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.
>
>  --- In gsp-2101@yahoogroups.com, "paulscary1" <PAULSCARY@M...> wrote:
>  >
>  > Hi,
>  >   Didn't even see the DSP crystal at first.It's hiding under the
>  >   Expansion board.The Zilog mcu reads:
>  >
>  >                 z8018010vsc
>  >                 zi80  mpu
>  >                 9407     6n
>  >   Don't know if this is upgradeable.Is it a common part or native
>  >   to Digitech?Funny...the upgrade chips read v3.00 but on boot it
>  >   displays ver. 3.00.00a.My knowledge of this stuff is pretty basic.
>  >   It's just that it seems that it's...well...slow.Nevermind using
>  >   the FC to change multiple parameters being slow,but even with no
>  >   effects(not bypassed)it "feels" a TINY bit slow.I thought I was
>  >   imagining it until a friend of mine,who is a faster more technical
>  >   player than myself,tried it for the first time,played some stuff
>  >   and said "Is there a delay on this or something?".Don't get me
>  >   wrong.I love this unit...more than later versions on the merits
>  >   of it's interface,crazy routing and control options,etc.Thanks
>  >   for your response,Mark!
>  >                   Paul
>
>
>
>
>
>
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