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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
connecting power to multiple modules
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dylar



Joined: Apr 25, 2011
Posts: 51
Location: iowa

PostPosted: Sun Oct 23, 2011 7:13 pm    Post subject: connecting power to multiple modules Reply with quote  Mark this post and the followings unread

How do people connect the MFOS 12v power supply to other modules? Does everyone just solder them together, or, in the interest of modularity, do people use plugs? And if so, what kind?
I was thinking of using 1/4 stereo jacks and stereo patch cords. Is there any reason I can't use these for plugging new modules into the power supply?
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Mongo1



Joined: Aug 11, 2011
Posts: 411
Location: Raleigh NC

PostPosted: Mon Oct 24, 2011 6:51 am    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
I was thinking of using 1/4 stereo jacks and stereo patch cords. Is there any reason I can't use these for plugging new modules into the power supply?


Technically it should work fine, as long as you turn the supply off before you insert or remove the connector.

That being said, one reason I can think of Not to do this is that it's easy to get confused sometimes - you might end up plugging an audio cord into that plug. For that reason it might make sense to use a different sort of connector for power.

Molex connectors are nice for power. You could also use something like DB-9 connector.

Gary
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emdot_ambient



Joined: Nov 22, 2009
Posts: 669
Location: Frederick, MD

PostPosted: Mon Oct 24, 2011 8:47 am    Post subject: Reply with quote  Mark this post and the followings unread

Don't 1/4" jacks short out temporarily when being connected/disconnected?

If the power's off when you do it that's not an issue. But doing it when the power's on would probably be a bad thing.

Best to use other options like Molex connectors or any other non-shorting plug/jack.

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Mongo1



Joined: Aug 11, 2011
Posts: 411
Location: Raleigh NC

PostPosted: Mon Oct 24, 2011 11:07 am    Post subject: Reply with quote  Mark this post and the followings unread

I guess when I read your post I was thinking you were trying to do something with each module in a separate box.

If that's not the case - if you are trying instead to put a bunch of modules in the same box like a synth case, then you would be wise to use the .156 MOTM connectors that are fairly standard in the modular synth community.

You can buy a PC board from cgs.synth.net, or several other vendors, that will work very well for this purpose. You can buy a cable kit from blacet.com that will help you create the necessary cables.

Gary
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Sound Diver



Joined: Mar 26, 2010
Posts: 16
Location: Preston U.K

PostPosted: Tue Oct 25, 2011 8:55 am    Post subject: Reply with quote  Mark this post and the followings unread

I use IDE connectors and ribbon cable like Doepfer, works a treat and i can power modules off the Doepfer power rail. I have just made my own version using Rays Wall Work power supply and some Vero Board. This also helps to keep things neat.
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dylar



Joined: Apr 25, 2011
Posts: 51
Location: iowa

PostPosted: Tue Oct 25, 2011 8:33 pm    Post subject: Reply with quote  Mark this post and the followings unread

My solution:
I just ended up making a bus for the MFOS wall-wart with some stripboard and using MTA connectors, which are nice because the pins have standard board spacing. The problem is that you can't exactly mount a hunk of stripboard in any nice-looking way, so the power supply is going to be a bit of an eyesore. Oh well, what it lacks in looks it makes up for in cost effectiveness.
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