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 Forum index » DIY Hardware and Software » PAIA Equipment
PAIA Wind and Surf Synthesizer
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Danno Gee Ray



Joined: Sep 25, 2005
Posts: 1343
Location: Telford, PA USA

PostPosted: Sun Nov 25, 2012 12:34 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks for that Dan,

I was hoping that would be the answer.
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RC2525



Joined: Feb 17, 2013
Posts: 3
Location: PA

PostPosted: Thu Feb 21, 2013 6:55 pm    Post subject: Reply with quote  Mark this post and the followings unread

Nice, and your panels combine the old PAIA module style (plain metal background) with the new (black with light legend). How did you do your panels?
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Dan Lavin



Joined: Nov 09, 2006
Posts: 620
Location: Spring Lake, Mi, USA
Audio files: 21

PostPosted: Thu Feb 21, 2013 7:37 pm    Post subject: Reply with quote  Mark this post and the followings unread

RC: panels are 1/16" Al with a coat of gold automotive paint. Then a lasertran panel decal with the graphics is applied over it. Then automotive clear coat. Finally baked in a repurposed toaster oven at about 225F for an hour.

For the decal, I just create a black square with rounded corners and a red border and use a white font for the lettering. The white is basically clear when the decal is made, so the background gold becomes the color of the lettering.

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altern8



Joined: May 25, 2012
Posts: 29
Location: chicago

PostPosted: Mon Jul 21, 2014 8:36 am    Post subject: Really happy to find this thread! Reply with quote  Mark this post and the followings unread

The Wind Machine was going to be my next project! Good to see the 9v Surf Machine alternate here too. I'm gonna try out both. Could someone tell me what the major differences are between the Wind and Surf versions? Also where does one get 30uf 10v caps?
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donpachi



Joined: Jul 16, 2009
Posts: 60
Location: Marburg
Audio files: 2

PostPosted: Mon Jul 21, 2014 10:27 pm    Post subject: Reply with quote  Mark this post and the followings unread

You can use any voltage rating greater than 10 V, the caps will usually just be bigger physically. 30 uF is rather uncommon, you could either put three 10 uF caps in parallel or use a 27 or 33 uF cap. Most electrolytic caps are quite imprecise regarding their capacitance anyway (e.g. 10-20 % variation).

Depending on the location in the circuit, you might even get away with using an entirely different (greater) value.
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altern8



Joined: May 25, 2012
Posts: 29
Location: chicago

PostPosted: Mon Jul 21, 2014 11:02 pm    Post subject:   Reply with quote  Mark this post and the followings unread

Thanks! You confirmed my thoughts on the matter.

I'd still like to know (without hours of study) what essentially differs between the "Wind" and "Surf" machines.

I love this forum!

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donpachi



Joined: Jul 16, 2009
Posts: 60
Location: Marburg
Audio files: 2

PostPosted: Tue Jul 22, 2014 9:32 pm    Post subject: Reply with quote  Mark this post and the followings unread

The PAiA surf synth I made operates by playing noise through a modulated lowpass filter. This preserves the deep rumble of the waves. Wind machines use other filter types, I guess (highpass or bandpass) without having looked at wind machine projects Embarassed
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