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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
MFOS Quad 3 Input Audio Mixer
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matinnin



Joined: Oct 13, 2016
Posts: 27
Location: the Big D
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PostPosted: Sun Apr 22, 2018 3:19 pm    Post subject:  MFOS Quad 3 Input Audio Mixer
Subject description: Stripboard
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Edit: looks like I'm taking this on: the circuit isnt very complicated, so im giving it a toss, Razz


i have been trying to etch one of these , and i must have terrible film or something. i have tried about 6 times, and i cant do it. I
really want to build some of these and the DC mixer.
I am desperate to build some of these, but i need a Stripboard layout. Can someone that has the knowledge and skill to whip this out please ?
I could have just had them made for the amount spent on materials to etch. i may still get some boards made. but really need to build one.
thanks anyone who considers this.
Mike
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matinnin



Joined: Oct 13, 2016
Posts: 27
Location: the Big D
Audio files: 1

PostPosted: Sun Apr 29, 2018 1:23 pm    Post subject: Breadboard Layout Test
Subject description: HIGH GAIN is HUGE
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I am putting on breadboard to test my understanding of Ray's drawing. i put 1/2 of the mixer on board, works well
now to convert to strip


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Skrog Productions



Joined: Jan 07, 2009
Posts: 1079
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PostPosted: Thu May 03, 2018 12:23 pm    Post subject: Reply with quote  Mark this post and the followings unread

Hi Mike , nice panel , is it mirror finish or still a sticker to go on ?, looks good Smile

stripboard , there are a few software strip planners (been a long time since i used one) but i found by the time i got the layout for a circuit set into the PC i could have built it by that time (not as neat as a strip layout) following the circuit from a print off Smile

Dave.

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matinnin



Joined: Oct 13, 2016
Posts: 27
Location: the Big D
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PostPosted: Thu May 03, 2018 4:45 pm    Post subject: THANKS !
Subject description: pretty much completed
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Thanks for the kind words. yes i have spent way too much time working to polish some panels. i think this is going to be the look i want now. im going to have to get a polishing wheel. i just completed soldering it up - 1 switch im short for the 2x3 - 6x1 switch. but i tested and it is working great.
the next one i'll omit the high - low gain switch (which is for the 1st of the inputs on each of the 4) i cant ever see needing the high gain
included my notes and drawing in case anyone else wants to build one of these. i havent seen another mixer like this. i downloaded all the programs and looked at them,but like you said, it will take me way too long to learn how to use these, when i can just draw it on paper and build it.


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matinnin



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PostPosted: Thu May 03, 2018 4:47 pm    Post subject: picture of board Reply with quote  Mark this post and the followings unread

a picture of the component side


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