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 Transformer basics, need help...
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skulpter Offline
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Joined: 25 Jan 2004
Posts: 1489
Location: Asheville, NC
Age: 52


PostPosted: Mon May 23, 2011 3:45 pm    Post subject: Transformer basics, need help... Reply with quote

Hey y'all -- Here's a good one. I've recently bought a Zoom Q3 portable video/audio recorder, and as most of you know, the audio quality is outstanding, for what it is. We've been recording our practices, and trying to get some passable video footage to put up on Youtube. Funny thing is, it seem to be cursed when used at gigs. The three times we've had it at gigs, each time something has happened to cause total failure of the intended goal, but I digress.

During practices, we realized that once we've found the sweet spot in the room, the camera can be mounted to a tripod, and rotated, to capture each of the band members during the performance, surprisingly without much degradation of audio quality. Problem is, somebody has to rotate it. My not-so-brilliant solution was to rig up a gear motor to the tripod, to slowly rotate it at a couple of rpm's, thus capturing everyone, a few times throughout in the video.

I found a motor on ebay, which is rated at 3 rpm, 12 to 24 volts. The amperage was not listed. I have the motor, but I don't know what needs to happen to make it run. I took an 18v transformer I got with my Analogman mini chorus (great pedal), thinking voltage right in the middle, should work. It doesn't. My guess is that the amperage is off. It supplies 150 mA, but I have no way of knowing if this is enough. I'd like to hear any suggestions or educated guesses on this. Hopefully skod sees this, and explains it in a way I can understand... Wink

Thanks always.

K

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stainless Offline
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Joined: 21 Mar 2005
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Location: Left Coast... away from earthquakes
Age: 67


PostPosted: Tue May 24, 2011 8:07 am    Post subject: Reply with quote

AC or DC?
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Stainless ....

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skulpter Offline
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Joined: 25 Jan 2004
Posts: 1489
Location: Asheville, NC
Age: 52


PostPosted: Tue May 24, 2011 10:35 am    Post subject: Reply with quote

Haha! Within your question lies the answer -- it requires ac, and upon close examination, that adapter is dc. I tried my HK 12v ac adapter, and it works! Woohoo! Thanks for the assist, Stan!
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stainless Offline
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Joined: 21 Mar 2005
Posts: 5233
Location: Left Coast... away from earthquakes
Age: 67


PostPosted: Tue May 24, 2011 10:44 am    Post subject: Reply with quote

Glad it was an easy one!!!! been there, done that!
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Stainless ....

I wish I could be traded like a penny in the arcade for a token to be played
on a cello strung with strings that are my dreams



Check out our music at http://www.reverbnation.com/#!/stainlessbrown[/url]
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