Re: Got out the old K5 again....Inverters

Great web page! thanks

--- In [email protected], "nelsonj_sce" <nelsonj_sce@...> wrote:
>
> Here is a link to a post I made a few years back.  I got an inverter 
> from DigiKey per the link.  My backlight and inverter still work 
> great and the inverter makes almost no noise.
> 
> http://www.kfuenf.org/en/k5_hackpage.html
> 
> --- In [email protected], "gdarceyclmg" <gdarcey@> wrote:
> >
> > I'm not familiar with the Flatlite EL stuff. Can it be cut to size 
> or is it something that is 
> > filled with "glowing stuff" that if you cut it, it pours out?
> > 
> > Thanks for the tip on the resistor values. I'll go a bit lower. 
> Changing the gain 3 times did 
> > seem a bit drastic too me. 
> > 
> > Any ideas and sources for good replacement invertors that don't 
> whine as much?
> > 
> > 
> > 
> > --- In [email protected], "Antoine Deschênes" <antdes45@> 
> wrote:
> > >
> > > 2007/7/26, gdarceyclmg <gdarcey@>:
> > > >
> > > > I have had my K5 stored in the garage for the last 6 years.
> > > > The last time I used it, it's LCD was getting dim and it 
> aliased a ton and
> > > > didn't have much
> > > > output.
> > > > I did have the K5 editor from Dr. T though. Too bad I threw out 
> the Atari
> > > > computer years
> > > > ago.
> > > >
> > > > I dug it out tonight, hooked it into my MIDI interface and 
> played with it
> > > > a bit.
> > > >
> > > > The factory presets are pretty lame. I'd love to hear some 
> others.
> > > 
> > > 
> > > There are some in the files section of the group, but I already 
> heard some
> > > K5 MP3s that had much better sounds than the sounds I can find.
> > > 
> > > I have Sound Quest XL and it seems to work well with the K5. 
> Editing the
> > > > partials could be
> > > > better but it's not horrible.
> > > >
> > > > I find that using individual out 1 is better than the mix out 
> and when I
> > > > run it through my
> > > > SE70 effects unit and my secret stereo space reverberator, it 
> sounds
> > > > pretty good. It layers
> > > > great with my Waldorf Microwave XT.
> > > 
> > > 
> > > Am I the only one that doesn't hear any difference between Mix 
> and 1? I know
> > > I modded things a bit... Maybe that's related, or maybe some 
> parts produce
> > > so much noise that I don't hear the opamp noise anymore...
> > > 
> > > I plan on making some ambient pads which I think this will excel 
> at.
> > > 
> > > 
> > > Yep, it's pretty good at these.
> > > 
> > > I also used it with my Akai EWI4000s wind controller and it 
> worked very well
> > > > with it.
> > > > Layering it with the EWI's VA synth made a nice contrast.
> > > >
> > > > I'm going to do the resistor mod this weekend and need to 
> source a
> > > > backlight and check
> > > > the inverter.
> > > 
> > > 
> > > You could do the mod with <147k resistors. 147kOhm is too high 
> for mine, the
> > > gain jumps high in the highest 10% of the slider and the opamps 
> clip.
> > > 
> > > Well, the backlight... There are synth service stores which would 
> sell it to
> > > you for about $30-$40, but I found the FLATLITE EL rolls for 
> $12/foot if I
> > > remember correctly.
> > > A group buy would let us save more money than just buying a foot 
> per person
> > > from the same store, but I'm probably not going to be the one 
> buying the
> > > roll since I don't have the money for this.
> > > 
> > > If the K5 whines as usual, the inverter is OK, but if not, it's 
> probably
> > > dead. You can check the PSU board solders, sometimes it's just 
> that.
> > > Resoldering the whole PSU board solved for me a huge hum problem 
> in the
> > > headphones jack and reduced the overall noise in the synth.
> > > 
> > > Anyone have any nice sound examples and presets?
> > > 
> > > 
> > > Not right now, I'll load them from the K5 I don't have with me 
> right now.
> > > 
> > > 
> > > Antoine
> > >
> >
>