Cgs synth

--- In cgs_synth@yahoogroups.com, liam cloyd <liamcloyd@...> wrote:
>
> glad you are making progress! any way you could post some close up pics on
> muffs so i can see the orientation and parts etc.
>
>
> [Non-text portions of this message have been removed]
>

--- In cgs_synth@yahoogroups.com, "russma04" <russm@...> wrote:
>
> I'd like to do that Liam, but the camera-to-computer cable I'd need is in storage, (I'm living in temporary housing right now, and most of my stuff is in storage). If I can grab a cable somewhere, I'll post some up.
>
> In the meantime, if you're at all unsure during your build feel free to ping me.
>
> I'm still working on mine. The rise and fall rate pots don't have any effect until 3/4 of the way through the range. I know they are log. pots, but that doesn't seem right?
>
>
> --- In cgs_synth@yahoogroups.com, liam cloyd <liamcloyd@> wrote:
> >
> > glad you are making progress! any way you could post some close up pics on
> > muffs so i can see the orientation and parts etc.
> >
> >
> > [Non-text portions of this message have been removed]
> >
>

--- In cgs_synth@yahoogroups.com, "Guy" <guy@...> wrote:
>
> The Rise & Fall pots must be linear (50k).
>
> _g
>
>
> --- In cgs_synth@yahoogroups.com, "russma04" <russm@> wrote:
> >
> > I'd like to do that Liam, but the camera-to-computer cable I'd need is in storage, (I'm living in temporary housing right now, and most of my stuff is in storage). If I can grab a cable somewhere, I'll post some up.
> >
> > In the meantime, if you're at all unsure during your build feel free to ping me.
> >
> > I'm still working on mine. The rise and fall rate pots don't have any effect until 3/4 of the way through the range. I know they are log. pots, but that doesn't seem right?
> >
> >
> > --- In cgs_synth@yahoogroups.com, liam cloyd <liamcloyd@> wrote:
> > >
> > > glad you are making progress! any way you could post some close up pics on
> > > muffs so i can see the orientation and parts etc.
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
>

--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>
>
> >I'm still working on mine. The rise and fall rate pots don't have any
> effect until 3/4 of the way through the range. I know they are log. pots,
> but that doesn't seem right?
>
> No, that doesn't seem right!
>
> Ken
>
> >
> >
> >--- In cgs_synth@yahoogroups.com, liam cloyd <liamcloyd@> wrote:
> >>
> >> glad you are making progress! any way you could post some close up pics on
> >> muffs so i can see the orientation and parts etc.
> >>
> >>
> >> [Non-text portions of this message have been removed]
> >>
> >
> >
> >
> >
> >------------------------------------
> >
> >The CGS Modular Synth home page: http://www.cgs.synth.net/
> >Yahoo! Groups Links
> >
> >
> >
> >
> _______________________________________________________________________
> Ken Stone sasami@... otherunicorn@...
> Modular Synth PCBs for sale <http://www.cgs.synth.net/>
> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>

>So I replaced the two Rate pots and still have the same problem, which is

>
>Between these pots and the output are the pairs of 3904/3906's and the )74

>
>Thanks!
>
>
>
>--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>>
>>
>> >I'm still working on mine. The rise and fall rate pots don't have any
>> effect until 3/4 of the way through the range. I know they are log. pots,
>> but that doesn't seem right?
>>
>> No, that doesn't seem right!
>>
>> Ken
>>
>> >
>> >
>> >--- In cgs_synth@yahoogroups.com, liam cloyd <liamcloyd@> wrote:
>> >>
>> >> glad you are making progress! any way you could post some close up pics on
>> >> muffs so i can see the orientation and parts etc.
>> >>
>> >>
>> >> [Non-text portions of this message have been removed]
>> >>
>> >
>> >
>> >
>> >
>> >------------------------------------
>> >
>> >The CGS Modular Synth home page: http://www.cgs.synth.net/
>> >Yahoo! Groups Links
>> >
>> >
>> >
>> >
>> _______________________________________________________________________
>> Ken Stone sasami@... otherunicorn@...
>> Modular Synth PCBs for sale <http://www.cgs.synth.net/>
>> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>>
>
>
>
>
>------------------------------------
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>Yahoo! Groups Links
>
>
>
>

>So I replaced the two Rate pots and still have the same problem, which is

>
>Between these pots and the output are the pairs of 3904/3906's and the )74

>
>Thanks!
>
>
>
>--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>>
>>
>> >I'm still working on mine. The rise and fall rate pots don't have any
>> effect until 3/4 of the way through the range. I know they are log. pots,
>> but that doesn't seem right?
>>
>> No, that doesn't seem right!
>>
>> Ken
>>
>> >
>> >
>> >--- In cgs_synth@yahoogroups.com, liam cloyd <liamcloyd@> wrote:
>> >>
>> >> glad you are making progress! any way you could post some close up pics on
>> >> muffs so i can see the orientation and parts etc.
>> >>
>> >>
>> >> [Non-text portions of this message have been removed]
>> >>
>> >
>> >
>> >
>> >
>> >------------------------------------
>> >
>> >The CGS Modular Synth home page: http://www.cgs.synth.net/
>> >Yahoo! Groups Links
>> >
>> >
>> >
>> >
>> _______________________________________________________________________
>> Ken Stone sasami@... otherunicorn@...
>> Modular Synth PCBs for sale <http://www.cgs.synth.net/>
>> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>>
>
>
>
>
>------------------------------------
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>Yahoo! Groups Links
>
>
>
>

--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>
> Short of you having the wrong part installed, somewhere, I'm not sure what
> the problem would be. Connected the bases of the four transistors is a
> resistor. Should be 22k or even 18k. Th capacitor across the op anp should
> be 22n. If is possible it may be a 2n2 if you have one of the old boards.
>
> Ken
>
>
> >So I replaced the two Rate pots and still have the same problem, which is
> that the Rate pots don't start to do anything until 3/4 of the way through
> the turn. I'm not a troubleshooting wiz, so I could use some direction.
> >
> >Between these pots and the output are the pairs of 3904/3906's and the )74
> chip, and a handful of resistors; is one of these more likely to be causing
> the problem than the other? Is there a measurement I can take to..ehmm...get
> a clue?
> >
> >Thanks!
> >
> >
> >
> >--- In cgs_synth@yahoogroups.com, sasami@ wrote:
> >>
> >>
> >> >I'm still working on mine. The rise and fall rate pots don't have any
> >> effect until 3/4 of the way through the range. I know they are log. pots,
> >> but that doesn't seem right?
> >>
> >> No, that doesn't seem right!
> >>
> >> Ken
> >>
> >> >
> >> >
> >> >--- In cgs_synth@yahoogroups.com, liam cloyd <liamcloyd@> wrote:
> >> >>
> >> >> glad you are making progress! any way you could post some close up pics on
> >> >> muffs so i can see the orientation and parts etc.
> >> >>
> >> >>
> >> >> [Non-text portions of this message have been removed]
> >> >>
> >> >
> >> >
> >> >
> >> >
> >> >------------------------------------
> >> >
> >> >The CGS Modular Synth home page: http://www.cgs.synth.net/
> >> >Yahoo! Groups Links
> >> >
> >> >
> >> >
> >> >
> >> _______________________________________________________________________
> >> Ken Stone sasami@ otherunicorn@
> >> Modular Synth PCBs for sale <http://www.cgs.synth.net/>
> >> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
> >>
> >
> >
> >
> >
> >------------------------------------
> >
> >The CGS Modular Synth home page: http://www.cgs.synth.net/
> >Yahoo! Groups Links
> >
> >
> >
> >
> _______________________________________________________________________
> Ken Stone sasami@... otherunicorn@...
> Modular Synth PCBs for sale <http://www.cgs.synth.net/>
> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>

--- In cgs_synth@yahoogroups.com, "russma04" <russm@...> wrote:
>
>
> Also, the replacement pots I used are 10K audio taper.
>
>
>

--- In cgs_synth@yahoogroups.com, "Steve" <makeme1witheverything@...> wrote:
>
> Hi Russ - Are you sure the pots aren't doing "anything" for 3/4 of their travel? These units are noted for their quirkiness and touchiness of the pots settings. And a lot depends on what you're using it for. For LFO and envelope use, yes, on my units (with log pots) I only use about the last 2/3's of the pot range. It's only when you kick it into VCO mode that the other 2/3's becomes useful. And for VCO mode you really want the log pots. I guess it depends on what you're planning to use this for mostly.
>
>
> --- In cgs_synth@yahoogroups.com, "russma04" <russm@> wrote:
> >
> >
> > Also, the replacement pots I used are 10K audio taper.
> >
> >
> >
>

On Tue, Nov 9, 2010 at 1:28 PM, russma04 <russm@...> wrote:

>
>
> Thanks very much Steve.
>
> Indeed I *had* heard about the pot quirky-ness from someone on Muff's,
> (possibly you!) But, I decided to try another set of pots anyway, based on
> another user reportedly fixing this symptom by replacing the pots.
>
> Anyway, I didn't have a specific purpose in mind for this module, in fact,
> I was primarily drawn to it for its versatility. Now that I understand the
> pot range is what it is, I think I'll just test the module completely and
> then subsequently decide whether to keep or replace the log pots.
>
> I really appreciate the group input here.
>
> RM
>
>
> --- In cgs_synth@yahoogroups.com <cgs_synth%40yahoogroups.com>, "Steve"
> <makeme1witheverything@...> wrote:
> >
> > Hi Russ - Are you sure the pots aren't doing "anything" for 3/4 of their
> travel? These units are noted for their quirkiness and touchiness of the
> pots settings. And a lot depends on what you're using it for. For LFO and
> envelope use, yes, on my units (with log pots) I only use about the last
> 2/3's of the pot range. It's only when you kick it into VCO mode that the
> other 2/3's becomes useful. And for VCO mode you really want the log pots. I
> guess it depends on what you're planning to use this for mostly.
> >
> >
> > --- In cgs_synth@yahoogroups.com <cgs_synth%40yahoogroups.com>,
> "russma04" <russm@> wrote:
> > >
> > >
> > > Also, the replacement pots I used are 10K audio taper.
> > >
> > >
> > >
> >
>
>
>



--
www.p23.biz


[Non-text portions of this message have been removed]

>I built two CGS-VCS, and they both have the same issue of pot range. The
>pots are also very sensitive at the high end. This is not a very accurate
>module, but it is very useful. I use it mostly like an envelope, and it
>works great! Check it out in this vid I made. I am mostly playing the two
>VCS's. I think I'm modulating the "Fall" rate.
>
>http://www.youtube.com/watch?v=lbW2GnZkVL4
>
>pete
>
>
>
>
>
>On Tue, Nov 9, 2010 at 1:28 PM, russma04 <russm@...> wrote:
>
>>
>>
>> Thanks very much Steve.
>>
>> Indeed I *had* heard about the pot quirky-ness from someone on Muff's,
>> (possibly you!) But, I decided to try another set of pots anyway, based on
>> another user reportedly fixing this symptom by replacing the pots.
>>
>> Anyway, I didn't have a specific purpose in mind for this module, in fact,
>> I was primarily drawn to it for its versatility. Now that I understand the
>> pot range is what it is, I think I'll just test the module completely and
>> then subsequently decide whether to keep or replace the log pots.
>>
>> I really appreciate the group input here.
>>
>> RM
>>
>>
>> --- In cgs_synth@yahoogroups.com <cgs_synth%40yahoogroups.com>, "Steve"
>> <makeme1witheverything@...> wrote:
>> >
>> > Hi Russ - Are you sure the pots aren't doing "anything" for 3/4 of their
>> travel? These units are noted for their quirkiness and touchiness of the
>> pots settings. And a lot depends on what you're using it for. For LFO and
>> envelope use, yes, on my units (with log pots) I only use about the last
>> 2/3's of the pot range. It's only when you kick it into VCO mode that the
>> other 2/3's becomes useful. And for VCO mode you really want the log pots. I
>> guess it depends on what you're planning to use this for mostly.
>> >
>> >
>> > --- In cgs_synth@yahoogroups.com <cgs_synth%40yahoogroups.com>,
>> "russma04" <russm@> wrote:
>> > >
>> > >
>> > > Also, the replacement pots I used are 10K audio taper.
>> > >
>> > >
>> > >
>> >
>>
>>
>>
>
>
>
>--
>www.p23.biz
>
>
>[Non-text portions of this message have been removed]
>
>
>
>------------------------------------
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>Yahoo! Groups Links
>
>
>
>