Yamaha DTXpress/DTXplorer/DTXtreme

All I'll say about the KP60 is that I love my KP120! 
And I agree with Ed's comments on the polarity switch.
 Walt
--- "liberatusvirus <liberatusvirus@...>"
<liberatusvirus@...> wrote:
> Hi Creighton,
> 
> When I got my version of the DTXpress back in the
> 14th century, I 
> had a terrible time with the kick pad. I won't bore
> you with the 
> details, but one of the problems was
> double-triggering. I got so 
> flustered with the inconisistencies that I stopped
> tinkering and 
> bought one from another company. You'll notice that
> the archives of 
> 2001/2 are littered with complaints about the KP60.
> The fact that 
> the latest version, which seems to have been
> redesigned--at least 
> cosmetically--hasn't attracted much grumbling seems
> to suggest that 
> it works better. I don't think that the piezo is
> overly sensitive to 
> temperature; mine double-triggered in a nice cozy
> room that didn't 
> vary much. But I wouldn't be surprised if the rubber
> pad got stiffer 
> in the cold. And the hardness of the rubber may well
> have something 
> to do with the double-triggering--notwithstanding
> the issues of self-
> rejection, gain, and minimum velocity. I began to
> notice that my 
> beater almost imperceptively struck the hard pad
> twice. I could 
> eventually control it a little by concentrating on
> my technique, but 
> not enough to eliminate the problem. If this is
> what's happening to 
> you, you might glue part of an old mouse pad to it,
> and/or increase 
> the min. vel. setting, decrease the gain, and find a
> comfortable 
> self-rejection point. Unfortunately, however, these
> measures may 
> also further deaden the dynamic range, which, I
> agree, is not good 
> in the first place. It's hard to get a light hit no
> matter how you 
> set the parameters. 
> 
> Maybe Walt or someone else can bear me out on this
> point, but the 
> polarity switch mainly permits the trigger to be
> used with equipment 
> that reverses polarity. Yamaha's modules make
> polarity adjustments 
> on the fly, rendering the issue irrelevant with its
> own triggers; 
> switching it shouldn't make any difference in your
> case. 
> 
> Let us know how you make out. If you go the DIY
> route, or find an 
> alternate explanation for the difficulty, your
> experience wiil 
> certainly be valuable.
> 
> Ed
> 
> 
> --- In DTXpress@yahoogroups.com, "creighton_higgins 
> <creighton@l...>" <creighton@l...> wrote:
> > anyone here have any issues with stability of
> settings? Having 
> gotten 
> > my kick pad working ok- suddenly last night it
> starts double 
> > triggering- severely. Went to trigger settings and
> changed self-
> > reject settings and saw some improvement, but if
> you pick too high 
> a 
> > setting you cannot trigger fast enough. I'm
> wondering if piezos 
> are 
> > sensitive to temperature changes or if there is
> some inherent 
> > instability. All along I have had no success
> setting the kick pad 
> so 
> > I have a semblance of dynamic range- it has acted
> more like a 
> > switch:just 1 loudness no matter how hard or soft
> I whack the 
> thing. 
> > 
> > Since I have no manual for the kick tower- who can
> tell me the 
> > purpose of the polarity switch?
> > 
> > Thanks.
> 
> 


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