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

--- In gsp-2101@yahoogroups.com, "Graham Pearson" <gpearson@...> 
wrote:
>
> Parametric EQ is described in the GSP-2101 Artist Owner's Manual, 
pages 20, 21 and Figure 3-4.  If you don't have a copy of this 
manual, it's available for download in the files section of this 
forum.
> 
> For each of the bands in a 1-band, 3-band, or 5-band parametric 
equalizer, there are 3 parameters; frequency (Hz), bandwidth (Q) and 
gain (dB).
> 
>  
> 
> The bandwidth (Q) parameter adjusts the narrowness of the bandwidth 
at the band frequency.  High Q settings yield narrow bandwidths where 
the EQ has a minimal effect on frequencies either side of the band 
frequency.  Low Q settings affect a broader bandwidth of frequencies.
> 
>  
> 
> If you refer to Figure 3-4 on page 21, remember that the curves are 
for a positive gain.  For a negative gain, the curves are downwards 
and a mirror image of those in figure 3-4.
> 
> 
> Parametric EQs are used in various factory algorithms.  See the 
Appendix at the end of the manual for block diagrams of each of these 
algorithms.  Algorithms #5, #6, #14, #15, #16, and #32 have 
Parametric EQs in them.
> 
> Hope this helps,
> Graham
>

sure did Graham 
see ive worked with them before 

now i see what your talking about 
its like useing the Smiley and Frown curves 
which i use in my stompbox setup EQ / Dist ? EQ Chain 
im hopeing this unit holds up for a long time 
because i love it 

Thanks for all your doing ( Smiles )