Greetings,

new member here. I have a question, and maybe you can help me with this: I
recently acquired an RS-140 MIDI-CV-Converter and want to use it in my
Doepfer-based Euro-System. The person I bought it from told me to be careful,
the module might produce too much heat. He said the heatsink of the Doepfer
5V-Adaptor is probably not sufficient.
Does anyone know if this is true, and where I can get a proper Adaptor or
heatsink?
I have an RS-300 that I use in my system without problems, but maybe the RS-140
is different?

Thanks for your time!
Lu

FS:

Doepfer
Doepfer suitcase A100-P9 - £250
A143-3 Quad LFO - £60
A189-1 Bit Modifier - £70
A190-2 Midi-CV (modified to trigger MFB ADSR) - £55
A138-B Exponential Mixer - £25
A118 Noise/Random - £34
A136 Distortion/Waveshaper - £34

Analogue Systems
RS95 Oscillator (not 95e I.e. No vernier dial) - £80

Livewire
AFG - £240

Plan B
M40 Headphone amp £30

Analogue Solutions
Multiple (1x8) - £10

MFB Dual ADSR - £50

All items located in Ipswich, UK. Shipping £4 within UK or £7 in Europe for
modules, the case I will need to get a quote for. Photos on request.

Multiple purchases will have nice patch cables (neutrik connectors + sommer
cable) shipped with!

All enquiries to andrew.maunder@...

Hey guys

I am new to synthesis but am really keen to learn more.
At the studio I work at we have an AS Systems 8500 and a Sorceror Keyboard. Just
wondering if any one has a patch Diagram for making an Ondes Martenot type
sound, any help would be greatly appreciated.

Cheers

Tobin

Hi Tobin,



Never played an Ondes Martenot but from what I heard and read it's basically
a valve-based oscillator with a VCA. Timbres resemble your standard
waveforms: triangle, square etc.



The real diffentiating factors are the loudspeakers. You have four: A
traditional one, one that uses a gong as diaphragm, one with a spring reverb
and one with strings for resonance. Of course you also have the playing
mechanism (the AS French Connection was developed expressly to copy that).



Patching up the first part should be straightforward: OSC - VCA (controlled
by an envelope).



Part two is more difficult. The VCA output must be routed in parallel to a
spring reverb and a ring modulator (for the metallic overtones). Harmomic
resonance is more difficult to replicate but you could try using several
filters tuned to different frequencies (I've had surprisingly good results
using the Doepfer A-127). The outputs of all three building blocks are then
summed together in a mixer to provide the final output.



If you don't have a French Connection you can approximate the playing style
using a ribbon controller (such as the Doepfer R2M).



Hope this helps,



York



   _____

Von: analogue_systems@yahoogroups.com
[mailto:analogue_systems@yahoogroups.com] Im Auftrag von jones_tobin
Gesendet: Montag, 11. April 2011 13:22
An: analogue_systems@yahoogroups.com
Betreff: [analogue_systems] ondes martenot





Hey guys

I am new to synthesis but am really keen to learn more.
At the studio I work at we have an AS Systems 8500 and a Sorceror Keyboard.
Just wondering if any one has a patch Diagram for making an Ondes Martenot
type sound, any help would be greatly appreciated.

Cheers

Tobin





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

I don't believe the sound can be replicated without the subtle pitch and
volume modulations that come from the control mechanism.  A synthesized
human voice will not sound like a real person singing.  The sound of an
instrument is much more than the waveform; it is the expression in the
playing.

Monroe

On Wed, Apr 13, 2011 at 8:54 AM, York Luethje <ybl@...> wrote:

>
>
> Hi Tobin,
>
> Never played an Ondes Martenot but from what I heard and read it's
> basically
> a valve-based oscillator with a VCA. Timbres resemble your standard
> waveforms: triangle, square etc.
>
> The real diffentiating factors are the loudspeakers. You have four: A
> traditional one, one that uses a gong as diaphragm, one with a spring
> reverb
> and one with strings for resonance. Of course you also have the playing
> mechanism (the AS French Connection was developed expressly to copy that).
>
> Patching up the first part should be straightforward: OSC - VCA (controlled
> by an envelope).
>
> Part two is more difficult. The VCA output must be routed in parallel to a
> spring reverb and a ring modulator (for the metallic overtones). Harmomic
> resonance is more difficult to replicate but you could try using several
> filters tuned to different frequencies (I've had surprisingly good results
> using the Doepfer A-127). The outputs of all three building blocks are then
> summed together in a mixer to provide the final output.
>
> If you don't have a French Connection you can approximate the playing style
> using a ribbon controller (such as the Doepfer R2M).
>
> Hope this helps,
>
> York
>
> _____
>
> Von: analogue_systems@yahoogroups.com
> [mailto:analogue_systems@yahoogroups.com] Im Auftrag von jones_tobin
> Gesendet: Montag, 11. April 2011 13:22
> An: analogue_systems@yahoogroups.com
> Betreff: [analogue_systems] ondes martenot
>
>
> Hey guys
>
> I am new to synthesis but am really keen to learn more.
> At the studio I work at we have an AS Systems 8500 and a Sorceror Keyboard.
> Just wondering if any one has a patch Diagram for making an Ondes Martenot
> type sound, any help would be greatly appreciated.
>
> Cheers
>
> Tobin
>
> [Non-text portions of this message have been removed]
>
>
>


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

I agree. In addition there are the vacuum tube osciallators, the different
diffusors (loudspeakers) etc. As with any real instrument, the original can not
be replicated.

I regard attempts to recreate sounds as an intellectual exercise. I would never
use a 'realistic' violin sound in an electronic track. I am, however, quite
interested in understanding how the violin sound is created and will try to
emulate it, simply to see what makes it up.

So I don't think trying o recreate an Ondes Martenot is illgitimate, especially
in the context of Analgue Systems who, after all, have dedicated a playing
device to that goal.


What brought me to modular synthesis was a similar attempt, the recreation of
the Mixturtrautonium by Doepfer. Also not to be confused with the original, but
very interesting nonetheless.




________________________________
From: Monroe Eskew <monroe.eskew@...>
To: analogue_systems@yahoogroups.com
Sent: Wednesday, April 13, 2011 21:30:33
Subject: Re: [analogue_systems] ondes martenot

I don't believe the sound can be replicated without the subtle pitch and
volume modulations that come from the control mechanism.  A synthesized
human voice will not sound like a real person singing.  The sound of an
instrument is much more than the waveform; it is the expression in the
playing.

Monroe

On Wed, Apr 13, 2011 at 8:54 AM, York Luethje <ybl@...> wrote:

>
>
> Hi Tobin,
>
> Never played an Ondes Martenot but from what I heard and read it's
> basically
> a valve-based oscillator with a VCA. Timbres resemble your standard
> waveforms: triangle, square etc.
>
> The real diffentiating factors are the loudspeakers. You have four: A
> traditional one, one that uses a gong as diaphragm, one with a spring
> reverb
> and one with strings for resonance. Of course you also have the playing
> mechanism (the AS French Connection was developed expressly to copy that).
>
> Patching up the first part should be straightforward: OSC - VCA (controlled
> by an envelope).
>
> Part two is more difficult. The VCA output must be routed in parallel to a
> spring reverb and a ring modulator (for the metallic overtones). Harmomic
> resonance is more difficult to replicate but you could try using several
> filters tuned to different frequencies (I've had surprisingly good results
> using the Doepfer A-127). The outputs of all three building blocks are then
> summed together in a mixer to provide the final output.
>
> If you don't have a French Connection you can approximate the playing style
> using a ribbon controller (such as the Doepfer R2M).
>
> Hope this helps,
>
> York
>
> _____
>
> Von: analogue_systems@yahoogroups.com
> [mailto:analogue_systems@yahoogroups.com] Im Auftrag von jones_tobin
> Gesendet: Montag, 11. April 2011 13:22
> An: analogue_systems@yahoogroups.com
> Betreff: [analogue_systems] ondes martenot
>
>
> Hey guys
>
> I am new to synthesis but am really keen to learn more.
> At the studio I work at we have an AS Systems 8500 and a Sorceror Keyboard.
> Just wondering if any one has a patch Diagram for making an Ondes Martenot
> type sound, any help would be greatly appreciated.
>
> Cheers
>
> Tobin
>
> [Non-text portions of this message have been removed]
>
>
>


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



------------------------------------

Yahoo! Groups Links



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

Hi everyone, I was recently gifted a book on synthesis (coincidentally by the
chap that sold me his RS Integrators) that dealt with the synthesis of various
instruments.

If interested, I could pull the name and author.

Cheers







On 14 Apr 2011, at 03:14, "york luethje" <ybl@...> wrote:

> I agree. In addition there are the vacuum tube osciallators, the different
> diffusors (loudspeakers) etc. As with any real instrument, the original can
not
> be replicated.
>
> I regard attempts to recreate sounds as an intellectual exercise. I would
never
> use a 'realistic' violin sound in an electronic track. I am, however, quite
> interested in understanding how the violin sound is created and will try to
> emulate it, simply to see what makes it up.
>
> So I don't think trying o recreate an Ondes Martenot is illgitimate,
especially
> in the context of Analgue Systems who, after all, have dedicated a playing
> device to that goal.
>
> What brought me to modular synthesis was a similar attempt, the recreation of
> the Mixturtrautonium by Doepfer. Also not to be confused with the original,
but
> very interesting nonetheless.
>
> ________________________________
> From: Monroe Eskew <monroe.eskew@...>
> To: analogue_systems@yahoogroups.com
> Sent: Wednesday, April 13, 2011 21:30:33
> Subject: Re: [analogue_systems] ondes martenot
>
> I don't believe the sound can be replicated without the subtle pitch and
> volume modulations that come from the control mechanism. A synthesized
> human voice will not sound like a real person singing. The sound of an
> instrument is much more than the waveform; it is the expression in the
> playing.
>
> Monroe
>
> On Wed, Apr 13, 2011 at 8:54 AM, York Luethje <ybl@...> wrote:
>
> >
> >
> > Hi Tobin,
> >
> > Never played an Ondes Martenot but from what I heard and read it's
> > basically
> > a valve-based oscillator with a VCA. Timbres resemble your standard
> > waveforms: triangle, square etc.
> >
> > The real diffentiating factors are the loudspeakers. You have four: A
> > traditional one, one that uses a gong as diaphragm, one with a spring
> > reverb
> > and one with strings for resonance. Of course you also have the playing
> > mechanism (the AS French Connection was developed expressly to copy that).
> >
> > Patching up the first part should be straightforward: OSC - VCA (controlled
> > by an envelope).
> >
> > Part two is more difficult. The VCA output must be routed in parallel to a
> > spring reverb and a ring modulator (for the metallic overtones). Harmomic
> > resonance is more difficult to replicate but you could try using several
> > filters tuned to different frequencies (I've had surprisingly good results
> > using the Doepfer A-127). The outputs of all three building blocks are then
> > summed together in a mixer to provide the final output.
> >
> > If you don't have a French Connection you can approximate the playing style
> > using a ribbon controller (such as the Doepfer R2M).
> >
> > Hope this helps,
> >
> > York
> >
> > _____
> >
> > Von: analogue_systems@yahoogroups.com
> > [mailto:analogue_systems@yahoogroups.com] Im Auftrag von jones_tobin
> > Gesendet: Montag, 11. April 2011 13:22
> > An: analogue_systems@yahoogroups.com
> > Betreff: [analogue_systems] ondes martenot
> >
> >
> > Hey guys
> >
> > I am new to synthesis but am really keen to learn more.
> > At the studio I work at we have an AS Systems 8500 and a Sorceror Keyboard.
> > Just wondering if any one has a patch Diagram for making an Ondes Martenot
> > type sound, any help would be greatly appreciated.
> >
> > Cheers
> >
> > Tobin
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
> ------------------------------------
>
> Yahoo! Groups Links
>
> [Non-text portions of this message have been removed]
>
>


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

Thank you to all of you this is great information and gives me a point in the
right direction. I'm just going to experiment and see what happens.
Tim P yeah the info about that book would be great cheers.


--- In analogue_systems@yahoogroups.com, tim p <target9@...> wrote:
>
> Hi everyone, I was recently gifted a book on synthesis (coincidentally by the
chap that sold me his RS Integrators) that dealt with the synthesis of various
instruments.
>
> If interested, I could pull the name and author.
>
> Cheers
>
>
>
>
>
>
>
> On 14 Apr 2011, at 03:14, "york luethje" <ybl@...> wrote:
>
> > I agree. In addition there are the vacuum tube osciallators, the different
> > diffusors (loudspeakers) etc. As with any real instrument, the original can
not
> > be replicated.
> >
> > I regard attempts to recreate sounds as an intellectual exercise. I would
never
> > use a 'realistic' violin sound in an electronic track. I am, however, quite
> > interested in understanding how the violin sound is created and will try to
> > emulate it, simply to see what makes it up.
> >
> > So I don't think trying o recreate an Ondes Martenot is illgitimate,
especially
> > in the context of Analgue Systems who, after all, have dedicated a playing
> > device to that goal.
> >
> > What brought me to modular synthesis was a similar attempt, the recreation
of
> > the Mixturtrautonium by Doepfer. Also not to be confused with the original,
but
> > very interesting nonetheless.
> >
> > ________________________________
> > From: Monroe Eskew <monroe.eskew@...>
> > To: analogue_systems@yahoogroups.com
> > Sent: Wednesday, April 13, 2011 21:30:33
> > Subject: Re: [analogue_systems] ondes martenot
> >
> > I don't believe the sound can be replicated without the subtle pitch and
> > volume modulations that come from the control mechanism. A synthesized
> > human voice will not sound like a real person singing. The sound of an
> > instrument is much more than the waveform; it is the expression in the
> > playing.
> >
> > Monroe
> >
> > On Wed, Apr 13, 2011 at 8:54 AM, York Luethje <ybl@...> wrote:
> >
> > >
> > >
> > > Hi Tobin,
> > >
> > > Never played an Ondes Martenot but from what I heard and read it's
> > > basically
> > > a valve-based oscillator with a VCA. Timbres resemble your standard
> > > waveforms: triangle, square etc.
> > >
> > > The real diffentiating factors are the loudspeakers. You have four: A
> > > traditional one, one that uses a gong as diaphragm, one with a spring
> > > reverb
> > > and one with strings for resonance. Of course you also have the playing
> > > mechanism (the AS French Connection was developed expressly to copy that).
> > >
> > > Patching up the first part should be straightforward: OSC - VCA
(controlled
> > > by an envelope).
> > >
> > > Part two is more difficult. The VCA output must be routed in parallel to a
> > > spring reverb and a ring modulator (for the metallic overtones). Harmomic
> > > resonance is more difficult to replicate but you could try using several
> > > filters tuned to different frequencies (I've had surprisingly good results
> > > using the Doepfer A-127). The outputs of all three building blocks are
then
> > > summed together in a mixer to provide the final output.
> > >
> > > If you don't have a French Connection you can approximate the playing
style
> > > using a ribbon controller (such as the Doepfer R2M).
> > >
> > > Hope this helps,
> > >
> > > York
> > >
> > > _____
> > >
> > > Von: analogue_systems@yahoogroups.com
> > > [mailto:analogue_systems@yahoogroups.com] Im Auftrag von jones_tobin
> > > Gesendet: Montag, 11. April 2011 13:22
> > > An: analogue_systems@yahoogroups.com
> > > Betreff: [analogue_systems] ondes martenot
> > >
> > >
> > > Hey guys
> > >
> > > I am new to synthesis but am really keen to learn more.
> > > At the studio I work at we have an AS Systems 8500 and a Sorceror
Keyboard.
> > > Just wondering if any one has a patch Diagram for making an Ondes Martenot
> > > type sound, any help would be greatly appreciated.
> > >
> > > Cheers
> > >
> > > Tobin
> > >
> > > [Non-text portions of this message have been removed]
> > >
> > >
> > >
> >
> > [Non-text portions of this message have been removed]
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> > [Non-text portions of this message have been removed]
> >
> >
>
>
> [Non-text portions of this message have been removed]
>

A Synthesist's Guide to Acoustic Instruments

Howard Massey , Alex Noyes , Dan Shklair

A step by step guide to understanding why different instruments sound the way
they do...





On 14 Apr 2011, at 09:26, "tim p" <target9@...> wrote:

> Hi everyone, I was recently gifted a book on synthesis (coincidentally by the
chap that sold me his RS Integrators) that dealt with the synthesis of various
instruments.
>
> If interested, I could pull the name and author.
>
> Cheers
>
>
>
>
>
>
>
> On 14 Apr 2011, at 03:14, "york luethje" <ybl@...> wrote:
>
>> I agree. In addition there are the vacuum tube osciallators, the different
>> diffusors (loudspeakers) etc. As with any real instrument, the original can
not
>> be replicated.
>>
>> I regard attempts to recreate sounds as an intellectual exercise. I would
never
>> use a 'realistic' violin sound in an electronic track. I am, however, quite
>> interested in understanding how the violin sound is created and will try to
>> emulate it, simply to see what makes it up.
>>
>> So I don't think trying o recreate an Ondes Martenot is illgitimate,
especially
>> in the context of Analgue Systems who, after all, have dedicated a playing
>> device to that goal.
>>
>> What brought me to modular synthesis was a similar attempt, the recreation of
>> the Mixturtrautonium by Doepfer. Also not to be confused with the original,
but
>> very interesting nonetheless.
>>
>> ________________________________
>> From: Monroe Eskew <monroe.eskew@...>
>> To: analogue_systems@yahoogroups.com
>> Sent: Wednesday, April 13, 2011 21:30:33
>> Subject: Re: [analogue_systems] ondes martenot
>>
>> I don't believe the sound can be replicated without the subtle pitch and
>> volume modulations that come from the control mechanism. A synthesized
>> human voice will not sound like a real person singing. The sound of an
>> instrument is much more than the waveform; it is the expression in the
>> playing.
>>
>> Monroe
>>
>> On Wed, Apr 13, 2011 at 8:54 AM, York Luethje <ybl@...> wrote:
>>
>> >
>> >
>> > Hi Tobin,
>> >
>> > Never played an Ondes Martenot but from what I heard and read it's
>> > basically
>> > a valve-based oscillator with a VCA. Timbres resemble your standard
>> > waveforms: triangle, square etc.
>> >
>> > The real diffentiating factors are the loudspeakers. You have four: A
>> > traditional one, one that uses a gong as diaphragm, one with a spring
>> > reverb
>> > and one with strings for resonance. Of course you also have the playing
>> > mechanism (the AS French Connection was developed expressly to copy that).
>> >
>> > Patching up the first part should be straightforward: OSC - VCA (controlled
>> > by an envelope).
>> >
>> > Part two is more difficult. The VCA output must be routed in parallel to a
>> > spring reverb and a ring modulator (for the metallic overtones). Harmomic
>> > resonance is more difficult to replicate but you could try using several
>> > filters tuned to different frequencies (I've had surprisingly good results
>> > using the Doepfer A-127). The outputs of all three building blocks are then
>> > summed together in a mixer to provide the final output.
>> >
>> > If you don't have a French Connection you can approximate the playing style
>> > using a ribbon controller (such as the Doepfer R2M).
>> >
>> > Hope this helps,
>> >
>> > York
>> >
>> > _____
>> >
>> > Von: analogue_systems@yahoogroups.com
>> > [mailto:analogue_systems@yahoogroups.com] Im Auftrag von jones_tobin
>> > Gesendet: Montag, 11. April 2011 13:22
>> > An: analogue_systems@yahoogroups.com
>> > Betreff: [analogue_systems] ondes martenot
>> >
>> >
>> > Hey guys
>> >
>> > I am new to synthesis but am really keen to learn more.
>> > At the studio I work at we have an AS Systems 8500 and a Sorceror Keyboard.
>> > Just wondering if any one has a patch Diagram for making an Ondes Martenot
>> > type sound, any help would be greatly appreciated.
>> >
>> > Cheers
>> >
>> > Tobin
>> >
>> > [Non-text portions of this message have been removed]
>> >
>> >
>> >
>>
>> [Non-text portions of this message have been removed]
>>
>> ------------------------------------
>>
>> Yahoo! Groups Links
>>
>> [Non-text portions of this message have been removed]
>>
>>


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

Well my self imposed limit of 15U was obviously never meant to be so i'm looking
for some more real estate if any body has any spare...RS10 or RS15, new or
old....

cheers, Dan

I have a spare RS-15, only about 2 maybe 3 years old IIRC, mail me off list if
you're interested.


On 30 Apr 2011, at 11:15, "daniel_axon" <daniel_axon@...> wrote:

> Well my self imposed limit of 15U was obviously never meant to be so i'm
looking for some more real estate if any body has any spare...RS10 or RS15, new
or old....
>
> cheers, Dan
>
>


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

Cyndustries.com Presents Three New Cynthia® Brand Synthesizer Modules in Five
Popular Formats!

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Three New Modules in Five Different Formats!

hi everyone, just joined this group and thinking of starting up a system, can
anyone give me some advice as too were to start, what to get hold of, and also
what is sonically possable.   many thanks - rob

Welcome!

This list is a bit quiet though. I would suggest joining the forum at

http://www.muffwiggler.com/forum/viewforum.php?f=16

for some more lively and informative chat.


cheers,
os.


On 29 June 2011 10:55, zominfo <zominfo@...> wrote:

> **
>
>
> hi everyone, just joined this group and thinking of starting up a system,
> can anyone give me some advice as too were to start, what to get hold of,
> and also what is sonically possable. many thanks - rob
>
>
>



--
os@...
http://twitter.com/expertsleepers
http://www.darkroomtheband.net/
http://www.expert-sleepers.co.uk/


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

anyone looking for a Integrator in walnut cabinet?
comes with professional road case for shipping
its never been used except to demo
and has been stored for last 2 years
pls email

How much?
Liberation or Bust

-----Original Message-----
From: "alby" <greg@...>
Sender: analogue_systems@yahoogroups.com
Date: Fri, 05 Aug 2011 00:21:17
To: <analogue_systems@yahoogroups.com>
Reply-To: analogue_systems@yahoogroups.com
Subject: [analogue_systems] RS intergrator for sale

anyone looking for a Integrator in walnut cabinet?
comes with professional road case for shipping
its never been used except to demo
and has been stored for last 2 years
pls email




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

>
http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=320738925070&ssPageName=ST\
RK:MESELX:IT
>
>

Hello,

I've noticed on several occasions that the clock of my RS-200 is far from rock
steady...
Small but obvious speed variations appear from time to time, and it has been
doing this since I bought it new more than a year ago...independent of whatever
modules are plugged in the same RS-15 case (current consumption cannot be an
issue with so few modules in the case and all other modules do function
properly).

Also, during the past week, the CV outputs A, B and C produced some seriously
drifting CVs...
This problem seems now to have disappeared or to be attenuated in a way it is
barely noticeable, for whatever reason... I don't know why or how it appeared in
the first place ?!

Last year, during the very hot summer days, the sequencer stopped running after
some time...no way to get it running again but after the modular was shut down
for while...
Perhaps some heat dissipation problem...I e-mailed Bob about it and at the
moment I decided to send it out for revision, it started working properly
again... just like it "felt" I was going to send it out and it was afraid to
undergo an "operation" :-)

Anyone experiencing similar problems or is my module a monday morning assembly ?
Definitely a ghost in the machine...

Thanks

I have an RS40 whose clock drifts quite a bit (I've also noticed that it's
sample and held output drifts upwards too). I suspect it's the same clock
circuit as the RS200 (same min and max frequency, output levels). I haven't
quite had the time to investigate properly, but I did swap out the TL072  in the
clock circuit with no improvement. There are two 1u (or is it 2u2?) film caps on
there which I believe are the timing caps, so those were my next port of call. I
should really trace out the circuit so I can fault find it properly. My RS40 is
probably two years old, maybe they had a batch of some particular part which is
prone to failure. Actually now I think of it, I believe the S&H circuit uses the
same type of cap for storing the sampled voltage so if they had a bad batch
maybe there is a connection between the two faults... I did speak to Bob about
it, he'd said he'd never heard of this particular problem before but it seems
likely that we have the same issue. When I get to the bottom of it I'll let you
know.

Regards,

Daniel.

To: analogue_systems@yahoogroups.com
From: coenen.olivier@...
Date: Sat, 15 Oct 2011 14:42:02 +0000
Subject: [analogue_systems] RS-200 CV & Clock drift




























       Hello,



I've noticed on several occasions that the clock of my RS-200 is far from rock
steady...

Small but obvious speed variations appear from time to time, and it has been
doing this since I bought it new more than a year ago...independent of whatever
modules are plugged in the same RS-15 case (current consumption cannot be an
issue with so few modules in the case and all other modules do function
properly).



Also, during the past week, the CV outputs A, B and C produced some seriously
drifting CVs...

This problem seems now to have disappeared or to be attenuated in a way it is
barely noticeable, for whatever reason... I don't know why or how it appeared in
the first place ?!



Last year, during the very hot summer days, the sequencer stopped running after
some time...no way to get it running again but after the modular was shut down
for while...

Perhaps some heat dissipation problem...I e-mailed Bob about it and at the
moment I decided to send it out for revision, it started working properly
again... just like it "felt" I was going to send it out and it was afraid to
undergo an "operation" :-)



Anyone experiencing similar problems or is my module a monday morning assembly ?

Definitely a ghost in the machine...



Thanks


















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

Hi Daniel,

I have an RS40 too that I use quite often and it's really precise and
stable...
I'll keep monitoring my RS-200 and report anything strange.
Anyways, thank you for looking into this.

Cheers,

Z.

On 16 Oct 2011, at 00:30, lausome graylien Skevington wrote:

>
> I have an RS40 whose clock drifts quite a bit (I've also noticed
> that it's sample and held output drifts upwards too). I suspect
> it's the same clock circuit as the RS200 (same min and max
> frequency, output levels). I haven't quite had the time to
> investigate properly, but I did swap out the TL072  in the clock
> circuit with no improvement. There are two 1u (or is it 2u2?) film
> caps on there which I believe are the timing caps, so those were my
> next port of call. I should really trace out the circuit so I can
> fault find it properly. My RS40 is probably two years old, maybe
> they had a batch of some particular part which is prone to failure.
> Actually now I think of it, I believe the S&H circuit uses the same
> type of cap for storing the sampled voltage so if they had a bad
> batch maybe there is a connection between the two faults... I did
> speak to Bob about it, he'd said he'd never heard of this
> particular problem before but it seems likely that we have the same
> issue. When I get t
>  o the bottom of it I'll let you know.
>
> Regards,
>
> Daniel.
>
> To: analogue_systems@yahoogroups.com
> From: coenen.olivier@...
> Date: Sat, 15 Oct 2011 14:42:02 +0000
> Subject: [analogue_systems] RS-200 CV & Clock drift
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>       Hello,
>
>
>
> I've noticed on several occasions that the clock of my RS-200 is
> far from rock steady...
>
> Small but obvious speed variations appear from time to time, and it
> has been doing this since I bought it new more than a year
> ago...independent of whatever modules are plugged in the same RS-15
> case (current consumption cannot be an issue with so few modules in
> the case and all other modules do function properly).
>
>
>
> Also, during the past week, the CV outputs A, B and C produced some
> seriously drifting CVs...
>
> This problem seems now to have disappeared or to be attenuated in a
> way it is barely noticeable, for whatever reason... I don't know
> why or how it appeared in the first place ?!
>
>
>
> Last year, during the very hot summer days, the sequencer stopped
> running after some time...no way to get it running again but after
> the modular was shut down for while...
>
> Perhaps some heat dissipation problem...I e-mailed Bob about it and
> at the moment I decided to send it out for revision, it started
> working properly again... just like it "felt" I was going to send
> it out and it was afraid to undergo an "operation" :-)
>
>
>
> Anyone experiencing similar problems or is my module a monday
> morning assembly ?
>
> Definitely a ghost in the machine...
>
>
>
> Thanks
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>

> I've noticed on several occasions that the clock of my RS-200 is far
> from rock steady...
>
Yes, all analogue step sequencers drift a little. Not much, and I
think my AS-200 is fairly steady, but as you have noticed: it is not
rock steady like something digital.
Temperature, humidity and the amount of time used influence the tempo.


Terje Winther
terje.winther@...
http://www.wintherstormer.no/






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

Hello Terje,

I know a little drift is part of the game with analogue stuff, but,
what I've experienced is more
than "natural" drift caused by temperature and likes ...
I think it is plausible that one or another component is/are beyond
suitable tolerance and could/should be replaced
for better stability.
My problem is to detect the components that might be responsible for
the drift...

Thanks for your input :-)

Cheers,

Z.

On 16 Oct 2011, at 17:03, Terje Winther wrote:

> > I've noticed on several occasions that the clock of my RS-200 is far
> > from rock steady...
> >
> Yes, all analogue step sequencers drift a little. Not much, and I
> think my AS-200 is fairly steady, but as you have noticed: it is not
> rock steady like something digital.
> Temperature, humidity and the amount of time used influence the tempo.
>
> Terje Winther
> terje.winther@...
> http://www.wintherstormer.no/
>
> [Non-text portions of this message have been removed]
>
>



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

Two more suggestions:

I've only had a pot go bad once in over 10 years of owning many of Bob's
modules, but a dirty or worn or otherwise slightly duff clock speed pot could be
the source of your speed fluctuation rather than anything more complicated. It's
easy enough to replace too.

Have you checked that the external clock input socket is clean and the
normalising contacts are making good connections when no jack is inserted?


Best of luck

Sean

--- In analogue_systems@yahoogroups.com, coenen olivier <coenen.olivier@...>
wrote:
>
> Hello Terje,
>
> I know a little drift is part of the game with analogue stuff, but,
> what I've experienced is more
> than "natural" drift caused by temperature and likes ...
> I think it is plausible that one or another component is/are beyond
> suitable tolerance and could/should be replaced
> for better stability.
> My problem is to detect the components that might be responsible for
> the drift...
>
> Thanks for your input :-)
>
> Cheers,
>
> Z.
>
> On 16 Oct 2011, at 17:03, Terje Winther wrote:
>
> > > I've noticed on several occasions that the clock of my RS-200 is far
> > > from rock steady...
> > >
> > Yes, all analogue step sequencers drift a little. Not much, and I
> > think my AS-200 is fairly steady, but as you have noticed: it is not
> > rock steady like something digital.
> > Temperature, humidity and the amount of time used influence the tempo.
> >
> > Terje Winther
> > terje.winther@...
> > http://www.wintherstormer.no/
> >
> > [Non-text portions of this message have been removed]
> >
> >
>
>
>
> [Non-text portions of this message have been removed]
>

Thank you Sean,

That sounds like a good place to start...

As a matter of fact, the sequencer doesn't get that much use for the
music I'm making, so the pots stay in one position for quite some
time and the external
clock input socket isn't much used either.
So, I'll definitely take some time to check those in the first place !

Cheers,

Z.



On 16 Oct 2011, at 17:46, sean_process wrote:

> Two more suggestions:
>
> I've only had a pot go bad once in over 10 years of owning many of
> Bob's modules, but a dirty or worn or otherwise slightly duff clock
> speed pot could be the source of your speed fluctuation rather than
> anything more complicated. It's easy enough to replace too.
>
> Have you checked that the external clock input socket is clean and
> the normalising contacts are making good connections when no jack
> is inserted?
>
> Best of luck
>
> Sean
>
> --- In analogue_systems@yahoogroups.com, coenen olivier
> <coenen.olivier@...> wrote:
> >
> > Hello Terje,
> >
> > I know a little drift is part of the game with analogue stuff, but,
> > what I've experienced is more
> > than "natural" drift caused by temperature and likes ...
> > I think it is plausible that one or another component is/are beyond
> > suitable tolerance and could/should be replaced
> > for better stability.
> > My problem is to detect the components that might be responsible for
> > the drift...
> >
> > Thanks for your input :-)
> >
> > Cheers,
> >
> > Z.
> >
> > On 16 Oct 2011, at 17:03, Terje Winther wrote:
> >
> > > > I've noticed on several occasions that the clock of my RS-200
> is far
> > > > from rock steady...
> > > >
> > > Yes, all analogue step sequencers drift a little. Not much, and I
> > > think my AS-200 is fairly steady, but as you have noticed: it
> is not
> > > rock steady like something digital.
> > > Temperature, humidity and the amount of time used influence the
> tempo.
> > >
> > > Terje Winther
> > > terje.winther@...
> > > http://www.wintherstormer.no/
> > >
> > > [Non-text portions of this message have been removed]
> > >
> > >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>



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

Hello,

I use a positive-going pulse, generally sent from my Doepfer A-160 or A-161 via
an A-162 Trigger Delay (to narrow the pulse right down and to shift the timing
if necessary) and then on to either of my A-147 or Bubblesound uLFOs to sync
them/reset them - this works just fine.

Recently I've wanted to reset the waveform of my RS-95E VCO every time it plays
a note - or, more specifically, every time I trigger the ADSR that controls the
VCA the RS-95E is plugged into.

I use the RS-95E for bass notes quite often and I'd like to try and be able to
re-trigger the waveform every time a note is played.

Using the A-162, the RS-95E only oscillates when the pulse is present - i.e. I
only get oscillation out of the VCO when the pulse goes above 0V - which means I
don't get sound or sync.

I get VCO hard-sync no problems and as far as I'm aware - the module is working
fine.

What do I need to do to condition the A-162 pulse so that it will allow the
RS-95E to oscillate normally but reset when it receives a pulse? Bias it
up/down? AC-couple it? Any other suggestions?

I'd appreciate any input on this. Thanks.

Justin Owen

hi lists,

in case you like modular walls (with Buchla 200e, Serge, Doepfer A-100,
Technosaurus, AS RS-Integrator, plus others), some recent photos
of the PW studio:
 
http://www.facebook.com/media/set/?set=a.192165184129351.54356.192093934136476&t\
ype=3
 
 
Bakis Sirros
www. parallel - worlds - music. com
www. facebook. com/ pages/Parallel-Worlds/192093934136476
www. myspace. com/ interconnectedmusic
www. myspace. com/ memorygeist
www. DiN. org. uk
www. vu-us. com

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

Hey all, just joined. I've got a dead RS110 and was hoping for some repair tips.
I'm in the USA and big city music is the authorized dealer but I haven't been
able to get a response from them. When I put the RS110 in (correctly) it took
down the -12v rail, I freaked out and thought I had it in backwards and THEN put
it in backwards and smoked something, lol. So 1) possibly initial issue of
killing -12v line and 2) definite second issue of me being an idiot and
reversing the power. I don't mind tackling the fix myself but there are no
schematics that I can find, and I'm hesitant to just dive in and make things
worse (again). Since I know this reverse power issue crops up from time to time
I was hoping someone here had been down this path before and can offer
assistance. Thanks! - Brian


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

We did some custom projects for customers
including the conversion of the wonderful RS-120 Comb Filters
over to Modcan A-Series Banana modular format.

Theses and other unique front panels are available on eBay USA,
and I believe on eBay UK...
Search for "Cyndustries"

Also just added a photo of our new Four Transients module
in Euro format to the Photos Section on this Group.

Best Wishes!


Cynthia

Cyndustries.com

hellos - i feel a bit cheeky leaping straight into something selling related as
my first topic, but:

i'm about to condense my 12U of ASys down to just 6U, so will be selling an
RS-15 full of modules as a whole unit. i've got enough modules to sell that i
can pretty much put anything i want in it but am aiming to try to make it appeal
to first time buyers as much as possible.

does this make sense as a way to sell a whole lot of stuff in one go?

RS-15 case containing:
1 x RS-20  ringmod
1 x RS-40  noise/s+h/clock
2 x RS-60  eg
2 x RS-80  lfo
2 x RS-95  vco
1 x RS-100 lpf
1 x 160    cv mixer
1 x 165    signal mixer
1 x 170    multiple
1 x 180    vca
1 x 230    cv buffer
1 x 260    quantiser
1 x 440    bbd analogue delay

my theory is that the rs-40 and lfos can provide sequencing along with the
quantiser so the system would have plenty of fun even with no midi > cv. am
wondering about switching one lfo for a second lpf so the clock noise could be
filtered off.

am loathe to include a 110 multifilter because i love mine and plan to keep it,
likewise, am keeping my synthi parts and slew. will also be selling some other
modules individually...

anyone got advices?

Work at home - Freedom..
http://www.honestpcservice.com/job.link.php?ymjsiteid=20ny3