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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
Uncle Krunkus' Stripboard Soundlab
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Uncle Krunkus
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PostPosted: Thu Aug 16, 2007 12:39 am    Post subject: Reply with quote  Mark this post and the followings unread

I'm not sure what you mean by "SoundLab Ver.2"
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freewave



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PostPosted: Thu Aug 16, 2007 10:08 am    Post subject: Reply with quote  Mark this post and the followings unread

Its the stripboard you did for the mini synth futher up the topic. I believe you did two versions of this board version 2 being the lattest.
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Uncle Krunkus
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PostPosted: Fri Aug 17, 2007 2:34 am    Post subject: Reply with quote  Mark this post and the followings unread

Sorry, I thought there was a new SoundLab design. Laughing
Here you go,
this is the .rst file.


Soundlab.zip
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 Filename:  Soundlab.zip
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Last edited by Uncle Krunkus on Mon Sep 03, 2007 2:59 pm; edited 1 time in total
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freewave



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PostPosted: Fri Aug 17, 2007 8:16 am    Post subject: Reply with quote  Mark this post and the followings unread

Thankyou Uncle

I was on the internet last night and run across a stripboard editor called Veecad where you can import a net list and auto route. I like the apperance of lochmaster much more and going to try it first.

Thanks again freewave
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LektroiD



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PostPosted: Thu Oct 16, 2008 5:35 am    Post subject: Reply with quote  Mark this post and the followings unread

There doesn't seem to be a parts list for this? pale
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LetterBeacon



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PostPosted: Thu Oct 16, 2008 5:56 am    Post subject: Reply with quote  Mark this post and the followings unread

The parts list is on Ray's Soundlab page: http://musicfromouterspace.com/analogsynth/SOUNDLABMINISYNTH/soundlab.html
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LektroiD



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PostPosted: Fri Nov 07, 2008 5:12 am    Post subject: Reply with quote  Mark this post and the followings unread

Cool, I want to get started on this project straight away, is there a higher quality .jpg of the stripboard layout anywhere? This one is a lot smaller and not as clear as the other stripboard layouts I've seen on here, I'm concerned I may make mistakes following such a small image.

Also, what is the .rst file, and what would I open that with on a Mac?
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Uncle Krunkus
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PostPosted: Fri Nov 07, 2008 7:52 am    Post subject: Reply with quote  Mark this post and the followings unread

There's one around here somewhere, I'll dig it out for you. Bug me if you don't hear about it tomorrow. Very Happy
The .rst is the Lochmaster file, I don't know if you can get Lochmaster for the Mac or not. Confused

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LektroiD



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PostPosted: Sat Nov 08, 2008 4:32 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks! I look forward to it. I'll try and get hold of an old PC from somewhere so I can use Lochmaster. Sucks that it's not out for Mac though.
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Uncle Krunkus
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PostPosted: Sat Nov 08, 2008 6:42 pm    Post subject: Reply with quote  Mark this post and the followings unread

I just checked the site, and there's no Mac version available Sad
You could, however, try running a PC emulator on your Mac like "Virtual PC". Maybe that would work? Smile

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LektroiD



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PostPosted: Thu Nov 27, 2008 9:43 am    Post subject: Reply with quote  Mark this post and the followings unread

Has anyone managed to print out a larger scale .jpg of this yet?

Also, can someone let me know if this is the layout for the straight Soundlab, or Soundlab Plus?

http://www.musicfromouterspace.com/analogsynth/SOUNDLABMINISYNTH_PLUS/SOUNDLABMINISYNTH_PLUS.html

I'm quite keen to get on with this, as another project I was hoping to build doesn't look like it's happening now.
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Uncle Krunkus
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PostPosted: Thu Nov 27, 2008 2:25 pm    Post subject: Reply with quote  Mark this post and the followings unread

My stripboard layout is just the original SoundLab.
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LektroiD



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PostPosted: Sat Jan 03, 2009 9:03 pm    Post subject: Reply with quote  Mark this post and the followings unread

Uncle Krunkus wrote:
Sorry, I thought there was a new SoundLab design. Laughing
Here you go,
this is the .rst file.


It appears this is the .rst for the v1.0 board, not the version 2.0 board in the opening post.

Has anyone got either the .rst for v2.0, or a clearer image of the v2.0 layout... the one posted is too small to see clearly, and doesn't print well either.

Many thanks in advance.
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Uncle Krunkus
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PostPosted: Sun Jan 04, 2009 2:56 am    Post subject: Reply with quote  Mark this post and the followings unread

Version 2.0 (which has the 1V/Oct mod + Rays old S&H in the top left corner) is in that .rst, it's just under a different tab.
You'll also find a couple of other stripboard layouts of Ray's circuits, but some of them, like the single bus CV/gate controller are old versions now, so I wouldn't use them as is.

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LektroiD



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PostPosted: Fri Jan 09, 2009 3:39 pm    Post subject: Reply with quote  Mark this post and the followings unread

Does anyone know what the 9v1 zener diode is? I purchased some BZX79C9V1 zeners, hopefully these will be ok, but I'll wait for confirmation before committing it to the board.
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Uncle Krunkus
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PostPosted: Fri Jan 09, 2009 4:18 pm    Post subject: Reply with quote  Mark this post and the followings unread

If it's got 9V1 in the part number, it should be fine. Smile
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LektroiD



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PostPosted: Wed Jan 14, 2009 11:08 pm    Post subject: Reply with quote  Mark this post and the followings unread

I now have stripboard Soundlab v2.0 under way, but I've had to substitute some of the components due to availability. Please let me know if these are OK, or if any are critical:
    C14 (5nF) - now 4.7nF
    C302 (200nF) - now 220nF

    R7/306 (3M) - now 1M+2M in series
    R150/151 (475Ω) - now 470Ω

    IC2 (LF442) - now TL072
    IC5/6/7 (LF444) - now TL074

I also noticed the parts list from the website, and the outputted parts list from the .rst differ (eg; there is no C13 listed in the .rst). I'm following the .rst list.
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Uncle Krunkus
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PostPosted: Wed Jan 14, 2009 11:42 pm    Post subject: Reply with quote  Mark this post and the followings unread

I don't think you can get 5nF caps at all.
200nF would be hard, but not impossible.
Same with 3M resistors and 475R resistors.
The good thing is that none of those parts are critical.

I seem to remember Ray saying there was a problem with using TL0XXs in place of the LFs, but I'm not sure if someone has prove that wrong since. Won't hurt to try.

Keep in mind that I did that stripboard layout well over 2 years ago now and Ray has made numerous improvements to the overall design. Where in doubt, read up on his "SoundLab Plus" modifications and defer to those specs for the best results.

I have to give credit to anyone who takes on a stripboard SoundLab, it would be easy to get something wrong.

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PostPosted: Fri Jan 16, 2009 9:32 pm    Post subject: Reply with quote  Mark this post and the followings unread

I think it would be easier to copy the design verbose to start with, then make modifications later, otherwise I will run in to all sorts of problems. However...

There appears to be a problem with the transistors on this...
- There are 2x T1 and 2x T3, these are all 2N3904.

Basically there is a T1 and T3 directly above trimpot P1, there is also a T1 located to the left of the board next to C15, and a T3 located to the right of CD40106. (basically 4x 2N3904's listed, but 6 in the layout)

The question is, should I leave ALL of these in, ie keep BOTH T1's and BOTH T3's?
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Uncle Krunkus
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PostPosted: Fri Jan 16, 2009 11:45 pm    Post subject: Reply with quote  Mark this post and the followings unread

Yeah, that's just me not doing a re-number. The important thing is to make sure it matches the schems on Ray's site.
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LektroiD



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PostPosted: Mon Mar 09, 2009 5:40 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi, just starting to wire up now. I noticed 'FT-1' and 'FT-2' on the board, what are these for?
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Uncle Krunkus
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PostPosted: Mon Mar 09, 2009 4:15 pm    Post subject: Reply with quote  Mark this post and the followings unread

I just had a look, and I can't remember exactly why I put them there. It may be related to the original schems, which I'm not sure are still around. (Ray has done a lot of updates, I haven't done any.)
Either way, they are at the summing nodes for the V->I converters, and with a suitable resistor (in series, usually 100K) could be used as extra frequency modulation inputs, or octave switchers etc. Or just left unconnected.

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LektroiD



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PostPosted: Wed Mar 11, 2009 5:37 am    Post subject: Reply with quote  Mark this post and the followings unread

Well, it is finally built, and works great! It was worth taking the time to get it right, resulted in zero troubleshooting. It's a really crazy little machine, I've been running some CV through it. It does need a 100k resistor on those extra sockets, I've added a total of 11 sockets to the panel for experimentation purposes. While I was wiring up, I also noticed a CV / Trig Out and a S&H In on the board. I tried feeding the CV Out to the CV In 2 to match what was coming in on CV In 1, but it just muted the oscillator, so I'm presuming these outputs need a 100k resistor to work properly too?

I took photos all the way through, if it's Ok with everyone, I could do a photo tutorial thread in the forum (or even within this thread?) I'm sure it would be useful to some of the newcomers to pick up a few tips and techniques.

I'm off to post in the LM13700 thread now. Smile

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Uncle Krunkus
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PostPosted: Wed Mar 11, 2009 2:08 pm    Post subject: Reply with quote  Mark this post and the followings unread

Cool,
The stripboard is not easy at all when dealing with such a large project. You've done very well! Very Happy

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PostPosted: Wed Mar 11, 2009 5:04 pm    Post subject: Reply with quote  Mark this post and the followings unread

LektroiD wrote:
if it's Ok with everyone


Yup, everyone is ok with it Wink

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