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 Forum index » DIY Hardware and Software
Simmons SDS 3 - DIY?
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fonik



Joined: Jun 07, 2006
Posts: 3759
Location: Germany
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PostPosted: Wed Aug 06, 2008 12:55 am    Post subject: Reply with quote  Mark this post and the followings unread

Coriolis wrote:
Quote:
800mil vertical spacing


Eh? What's that in mm?

C

20.32mm Very Happy

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Coriolis



Joined: Apr 11, 2005
Posts: 616
Location: Stilling, Denmark

PostPosted: Wed Aug 06, 2008 1:10 am    Post subject: Reply with quote  Mark this post and the followings unread

Btw: Mono, that SDS3 demo you posted sounds lovely! For some reason I can't play the second one, but the first one did the trick for me Very Happy

Does anyone have a clear, top-down shot of the front panel of the SDS3?
Just to get an idea what's on there...

C

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Some Rubber Stamp Sound Effects - and other sound effects
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Blue Hell
Site Admin


Joined: Apr 03, 2004
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PostPosted: Wed Aug 06, 2008 2:29 am    Post subject: Reply with quote  Mark this post and the followings unread

A mil is a milli inch.
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Coriolis



Joined: Apr 11, 2005
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Location: Stilling, Denmark

PostPosted: Wed Aug 06, 2008 2:31 am    Post subject: Reply with quote  Mark this post and the followings unread

I see - thanks guys.

C

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mono-poly



Joined: Jul 07, 2004
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PostPosted: Wed Aug 06, 2008 2:40 am    Post subject: Reply with quote  Mark this post and the followings unread

http://farm1.static.flickr.com/45/116962226_8a8b75b2d4.jpg

I'd rather not see pots mounted on the pcb but i always can wire from there.
Are the gonna be some mods added like cv control?
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asafnetzer



Joined: Jun 16, 2007
Posts: 112
Location: Israel

PostPosted: Wed Aug 06, 2008 6:19 am    Post subject: Reply with quote  Mark this post and the followings unread

I think that pcb mount hardware can help and make a cleaner looking board and if some of us wants we could always add wires instead.
I'm not afraid of the overall size as I think this should be a standalone module, but maybe thats just me. Wink
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bubblechamber



Joined: Nov 04, 2006
Posts: 276
Location: NYC
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PostPosted: Wed Aug 06, 2008 12:06 pm    Post subject: Reply with quote  Mark this post and the followings unread

we won't be matching trannies on this...

i should get a lot more work done today... i'll post a preliminary panel layout
as soon as i get it done

PCB mounted hardware will make the layout a lot easier. with a little luck we'll have this wrapped up in the next month or so....

There will at least be a CV for the pitch control.


david

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mono-poly



Joined: Jul 07, 2004
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PostPosted: Wed Aug 06, 2008 3:23 pm    Post subject: Reply with quote  Mark this post and the followings unread

On the orgional sds3 there were 3 drumchannels.
And one modulator channels with 2 lfo's if i remember right.
These could be routed to the pitch and the decay if i'm right.
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bubblechamber



Joined: Nov 04, 2006
Posts: 276
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PostPosted: Sun Aug 17, 2008 8:13 pm    Post subject: Reply with quote  Mark this post and the followings unread

got a little sidetracked, but it's been a productive weekend.

does anyone have a really clear close up of the front panel? the schematic doesn't really make clear what's a trimpot and what's a panel mounted... my instinct is to bring all trimpots to front, within reason.

Do we want the distortion null pot on the front?

it's looking like a single voice will fit into a eurorack panel...

i'm sure more questions will be coming up as this gets further along.
d


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SDS3v05.jpg



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stijn



Joined: Jul 21, 2008
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Location: utrecht, netherlands

PostPosted: Fri Aug 22, 2008 6:39 am    Post subject: Reply with quote  Mark this post and the followings unread

oooh man, just discovered this thread. an sds3 clone lovely!
if there is going to be a pcb manufacturing run, I'm up for 4 at least Laughing Laughing Laughing
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Luka



Joined: Jun 29, 2007
Posts: 1002
Location: Melb.

PostPosted: Fri Aug 22, 2008 6:12 pm    Post subject: Reply with quote  Mark this post and the followings unread

im looking forward to this also
im looking to make a companion to my mb808, ill call it the mb828.
this along with the THMPS and some 909 kick/snare/clap will make some nice voices

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Danno Gee Ray



Joined: Sep 25, 2005
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PostPosted: Fri Aug 22, 2008 6:23 pm    Post subject: Reply with quote  Mark this post and the followings unread

I'd possibly be in for one as well.
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bubblechamber



Joined: Nov 04, 2006
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PostPosted: Fri Aug 22, 2008 9:17 pm    Post subject: Reply with quote  Mark this post and the followings unread

just about done with the layout...i'll start the double checking and testing next weekend.
if this works i'm thinking about doing a run of these. when it get closer to done i'll make a real announcement. looks like they'll cost around $8-10US each.

As Fonik predicted there is just not enough room for the pots to be PCB mounted if the PCB is to fit in a eurorack/frac faceplate and still be single sided for those that want to roll their own...
What I've decided to do is use a ribbon connector and a second board for the pots, jacks and switched. The header rows are around the edge of the board, so it should be pretty easy to wire up if you're putting it in something other than a Eurorack faceplate.

i'll keep you guy posted as this glacier slowly slide into the sea.
david

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bugfight



Joined: Aug 02, 2007
Posts: 188
Location: Arlington, TX USA

PostPosted: Fri Aug 22, 2008 9:46 pm    Post subject: Reply with quote  Mark this post and the followings unread

if you want to home etch this, you should make the traces much fatter.
in fact, i'd do that anywayz...

if you do a run, i will be in.
the mighty queue needs feeding, after all...
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fonik



Joined: Jun 07, 2006
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PostPosted: Sat Aug 23, 2008 12:07 pm    Post subject: Reply with quote  Mark this post and the followings unread

maybe this would be the right to time to make a decision: double sided professional PCB run or singlesided.
i'd preferred professional manufactured PCBs, no panel mount controls, circuit divided in voice and main boards, maybe just voiceboards...

what do you think?

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bubblechamber



Joined: Nov 04, 2006
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PostPosted: Sat Aug 23, 2008 11:27 pm    Post subject: Reply with quote  Mark this post and the followings unread

bugfight wrote:
if you want to home etch this, you should make the traces much fatter.
in fact, i'd do that anywayz...

if you do a run, i will be in.
the mighty queue needs feeding, after all...


they'll be 3 or 4 times as thick for the Press N Peel version, it's just easier for me to work with thin traces in the layout phase...


fonik wrote:
maybe this would be the right to time to make a decision: double sided professional PCB run or singlesided.
i'd preferred professional manufactured PCBs, no panel mount controls, circuit divided in voice and main boards, maybe just voiceboards...

what do you think?


I think the boards are going to be complete voices, no PCB mounted pots. i'll post a P'nP layout for a control board in a eurorack layout...
i've been thinking pretty seriously about doing a small run just for me and a couple of friends. I want at least 8 of these and I really don't want to etch and drill that many.
i'll do a broader announcement next week and see what kind of interest there is in this, right now there are 25-30 spoken for so we don't need that many to get a good price on these.
it shouldn't be more than $8US each for the PCB, i'd like to get it down lower. there's a pretty big price break at 100. i'd love to see some 8 voice SDS3...
I will probably use MyroPCB, I've ordered boards from them before and I've been very happy with their work.

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filterstein



Joined: Mar 17, 2007
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Location: The Netherlands

PostPosted: Sun Aug 24, 2008 10:53 am    Post subject: Reply with quote  Mark this post and the followings unread

Great, I can't wait Very Happy
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Statick



Joined: Aug 26, 2008
Posts: 4
Location: UK

PostPosted: Tue Aug 26, 2008 6:37 am    Post subject: Reply with quote  Mark this post and the followings unread

hi, i just registered here to post on this thread

i recently acquired an SDS 3. it really is quite awesome!
i'm only borrowing it however, but i am trying to convince the owner to part with it (wish me luck!). any idea what a fair price is for an SDS 3 and a single pair of pads ?

anyway, i would be very interested in some of these PCBs so add my name to the list. also if i can help in any way by virtue of having a real SDS 3 sitting right next to me, just let me know.
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SineSurfer



Joined: Jan 19, 2007
Posts: 45
Location: Mexico

PostPosted: Tue Aug 26, 2008 11:29 am    Post subject: Reply with quote  Mark this post and the followings unread

I may be interested in a couple of boards too.

Statick: do you think you could share some SDS 3 sound samples?, been searching the web for some without any luck


Thanks!
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mono-poly



Joined: Jul 07, 2004
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PostPosted: Tue Aug 26, 2008 3:23 pm    Post subject: Reply with quote  Mark this post and the followings unread

SineSurfer wrote:
I may be interested in a couple of boards too.

Statick: do you think you could share some SDS 3 sound samples?, been searching the web for some without any luck


Thanks!


There are 2 examples from a sds3 in this tread somewhere.
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SineSurfer



Joined: Jan 19, 2007
Posts: 45
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PostPosted: Tue Aug 26, 2008 3:52 pm    Post subject: Reply with quote  Mark this post and the followings unread

duh!, two of those examples are yours it seems mono-poly Smile

http://www.electronic-obsession.se/studio/simmonssounds/sds4.mp3

http://modular.googlepages.com/sds3.mp3

http://modular.googlepages.com/sds3b.mp3


So, each channel is capable of doing the whole range of sounds then(bd, snare, etc.)?

looks like I'm in for 3 pcbs Wink
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Statick



Joined: Aug 26, 2008
Posts: 4
Location: UK

PostPosted: Tue Aug 26, 2008 4:45 pm    Post subject: Reply with quote  Mark this post and the followings unread

SineSurfer wrote:
I may be interested in a couple of boards too.

Statick: do you think you could share some SDS 3 sound samples?, been searching the web for some without any luck


Thanks!


sure, i'll record some stuff when i get some spare time (which i don't have a lot of at the moment). anything in particular or just a range of stuff ?
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Statick



Joined: Aug 26, 2008
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PostPosted: Tue Aug 26, 2008 4:47 pm    Post subject: Reply with quote  Mark this post and the followings unread

SineSurfer wrote:

So, each channel is capable of doing the whole range of sounds then(bd, snare, etc.)?


yes, each channel is identical
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SineSurfer



Joined: Jan 19, 2007
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PostPosted: Wed Aug 27, 2008 8:29 am    Post subject: Reply with quote  Mark this post and the followings unread

Statick wrote:
... anything in particular or just a range of stuff ?
Thanks Statick, the previous examples got me convinced already Wink
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Dego



Joined: Apr 22, 2008
Posts: 139
Location: Sweden

PostPosted: Fri Oct 03, 2008 4:31 am    Post subject: Reply with quote  Mark this post and the followings unread

How is this project developing? Smile No hurry. Just thinking on it...
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