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EraSer
Joined: Apr 12, 2006 Posts: 82 Location: Italy
Audio files: 5
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Posted: Wed Apr 12, 2006 8:49 am Post subject:
my first soundlab |
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Hello everyone.
I'm new in this forum...I'm fascinated by this beautiful synth and by this forum!
I'm a guitarist and I would build and play this great electronic machine.I've read about soundlab mini-synth guide and now I have bought nearly all the parts....but I need your help!
first of all...
power supply is +/- 9V...i would use the two VCOs....but I've read in the VCOs schematic that IC LF444 & LF442 power is +/-12V....why?...but the power supply is +/-9V!?!?!
I hope I can rely upon your help
bye Last edited by EraSer on Fri May 19, 2006 9:21 am; edited 1 time in total |
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ladislaobiro
Joined: Mar 24, 2005 Posts: 105 Location: Italy
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Posted: Wed Apr 12, 2006 9:37 am Post subject:
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Hi balance,
welcome to this forum
don't worry about the voltage...
you can run your sound lab from +/-9V to +/-15V with no risk of damaging the unit, and probably with no differences in terms of sound...
if you have further questions, post them here...
I'm sure a lot of people will be happy to help you out...
bye...
ladislao |
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EraSer
Joined: Apr 12, 2006 Posts: 82 Location: Italy
Audio files: 5
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Posted: Thu Apr 13, 2006 12:23 am Post subject:
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Hi Ladislao
thank u......I've seen you beautiful & cool SoundLab...great work!
I've re-adapted schematics to build mini-synth on perfboard (not stripboard)....so could you say me if they are right?....i will post them soon...
p.s.. sorry but I'm not an expert electronic-man but I've just build some simple theremin on perfboard.
bye. |
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ladislaobiro
Joined: Mar 24, 2005 Posts: 105 Location: Italy
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Posted: Fri Apr 14, 2006 12:35 am Post subject:
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hi balance,
unfortunately my skills in electronics are pretty limited... I doubt I can really be helpful in checking out schematics, modifications, etc...
the only suggestion I can give you is to try to follow as much as possible on your perforboard the parts layout and traces direction of the PCB version...
otherwise, another obvious suggestion would be that you buy an original PCB from Ray..
I did it, and I'm really glad I did it... it's professionally built and really comfortable to use...
it's up to you...
good luck... )
ladislao
P.S.: btw, I didn't finish my soundlab yet... the pictures you have seen show my WP-20 and my WSG... ;o) |
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EraSer
Joined: Apr 12, 2006 Posts: 82 Location: Italy
Audio files: 5
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Posted: Fri Apr 14, 2006 2:27 am Post subject:
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....what is the difference between SL & WP20?
which of them do you recommend to me? |
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Pehr
Joined: Aug 14, 2005 Posts: 1307 Location: Björkvik, Sweden
Audio files: 2
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Posted: Fri Apr 14, 2006 2:33 am Post subject:
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WP-20
Quote: | Many moons ago Ray Wilson and Ron Romeo created a small company that sold PC boards and kits. We called it "Waveform Processing" The WP-20 Mini-Synth was our premier product. As I look back at it now I see many things I would do differently today but I wanted to leave it as it was 25 years ago. It's a great project and it makes some very cool sounds. I hope you have fun if you decide to build it. This would make a great junior-high or high-school electronics project. |
_________________ YouTube channel
flickr photostream
http://loxodrom.blogspot.com
http://www.garageband.com/artist/loxodrom
http://soundcloud.com/loxodrom |
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ladislaobiro
Joined: Mar 24, 2005 Posts: 105 Location: Italy
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Posted: Fri Apr 14, 2006 4:07 am Post subject:
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balance wrote: | ....what is the difference between SL & WP20?
which of them do you recommend to me? |
there are a lot of differences in features and sound quality...
the soundlab is definitely much and much better than the WP-20...
I built this one first just because I wanted to start building synthesizers from an easier project...
now that I feel more confident with electronics, I started working on my soundlab...
my suggestion is to build both... these are great machines... great analog sources of sounds... you can even make them working together... layers and layers of great electronic sounds...
ladislao |
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Wild Zebra
Joined: Apr 28, 2005 Posts: 806 Location: Ohio
Audio files: 5
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Posted: Fri Apr 14, 2006 8:18 am Post subject:
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I still gotta make one. I have a question. I wonder what other kits Ray had? And if he would post some (if he still has them) on his site. I'm sure he and his friend had some other cool circuits. _________________ "your stripes are killer bro" |
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EraSer
Joined: Apr 12, 2006 Posts: 82 Location: Italy
Audio files: 5
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Posted: Sat Apr 15, 2006 1:49 am Post subject:
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Before beginning to build SL i need some help about:
output&input: osc1 CV, osc2 CV,gate input. do you know how can I use them? |
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Pehr
Joined: Aug 14, 2005 Posts: 1307 Location: Björkvik, Sweden
Audio files: 2
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ladislaobiro
Joined: Mar 24, 2005 Posts: 105 Location: Italy
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Posted: Sat Apr 15, 2006 6:20 am Post subject:
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balance wrote: | Before beginning to build SL i need some help about:
output&input: osc1 CV, osc2 CV,gate input. do you know how can I use them? |
I've sent you a private message (PM)... check it out...
ladislao |
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EraSer
Joined: Apr 12, 2006 Posts: 82 Location: Italy
Audio files: 5
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Posted: Wed Apr 19, 2006 6:58 am Post subject:
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First of all thank you for you help
I have a problem.
Here it's hard to find IC(s) LM13700 ,LF444&442 .....I've read the IC's sustitutes list.
Which are the best for SL? |
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Pehr
Joined: Aug 14, 2005 Posts: 1307 Location: Björkvik, Sweden
Audio files: 2
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EraSer
Joined: Apr 12, 2006 Posts: 82 Location: Italy
Audio files: 5
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Posted: Wed Apr 19, 2006 4:10 pm Post subject:
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Thank you Pehr for your suggestions...
Unfortunately here I don' t succeed to find LFxxx...I've found only TL082 & TL084.I hope i can use them to SL
bye
Balance |
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EraSer
Joined: Apr 12, 2006 Posts: 82 Location: Italy
Audio files: 5
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Posted: Wed May 10, 2006 4:04 am Post subject:
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Hi everybody
which potentiometers have you use for SL?Linear or Log?How can I get finer adjustment?
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dnny
Joined: Mar 12, 2005 Posts: 519 Location: Helsinki, Finland
Audio files: 8
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EraSer
Joined: Apr 12, 2006 Posts: 82 Location: Italy
Audio files: 5
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Posted: Tue May 16, 2006 4:39 am Post subject:
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I've tryed to make a vcf perfb layout.
plese tell me if there are errors
I've put on perfboard only components (Ic,res&cap) and I've noted near where some components are connected to.
black=jumper
vcf.bmp |
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dnny
Joined: Mar 12, 2005 Posts: 519 Location: Helsinki, Finland
Audio files: 8
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EraSer
Joined: Apr 12, 2006 Posts: 82 Location: Italy
Audio files: 5
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Posted: Wed May 17, 2006 1:03 am Post subject:
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sorry,this is my vcf perfboard layout
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