Building a Cyclone subwoofer? Rotary servo sub?

mikezap99 · 9th April 2010, 05:33 AM

Hi everyone,

I'm new here, as you can probably see. I'm interested in building a PG Cyclone-esque subwoofer using a servo motor (or two?).

Would I need some kind of return mechanism so that the vane won't drift forward or backward? Will I need any kind of special wiring, or will the AC current from my amp be enough to produce the kind of back-and-forth rotation I need?

Last but not least, what brand/size/kind of rotational servo motor should I use, and should I use one on each end of the spiral vane to reduce the effort each has to put in?

Any help is greatly appreciated.

mikey_audiogeek · 9th April 2010, 05:41 AM

PG Cyclone[non cone subdriver]

spooney · 9th April 2010, 04:44 PM

I think you are venturing into uncharted territory as far as building diy cyclone subs . I wish you luck though and look forward to the results.

1moreamp · 9th April 2010, 06:48 PM

I just goggled about 12 page of projects concerning rotary sub-woofers and the Thigpen designs including a tear down and rebuild of the cyclone from PG.

PG still sells a rebuild for that product. I would contact then on the Rodin site for support.
The DIY has a bunch of posts about it. Have you tried a search of this site yet ? Hope this is helpful some...

9th April 2010, 05:33 AM	#1
mikezap99 diyAudio Member Join Date: Apr 2010	Building a Cyclone subwoofer? Rotary servo sub? Hi everyone, I'm new here, as you can probably see. I'm interested in building a PG Cyclone-esque subwoofer using a servo motor (or two?). Would I need some kind of return mechanism so that the vane won't drift forward or backward? Will I need any kind of special wiring, or will the AC current from my amp be enough to produce the kind of back-and-forth rotation I need? Last but not least, what brand/size/kind of rotational servo motor should I use, and should I use one on each end of the spiral vane to reduce the effort each has to put in? Any help is greatly appreciated.

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9th April 2010, 05:41 AM	#2
mikey_audiogeek diyAudio Member Join Date: Sep 2004 Location: Napier, Hawkes Bay	PG Cyclone[non cone subdriver]

9th April 2010, 04:44 PM	#3
spooney diyAudio Member Join Date: Dec 2006	I think you are venturing into uncharted territory as far as building diy cyclone subs . I wish you luck though and look forward to the results.

9th April 2010, 06:48 PM	#4
1moreamp diyAudio Member Join Date: Dec 2005 Location: Northern California	I just goggled about 12 page of projects concerning rotary sub-woofers and the Thigpen designs including a tear down and rebuild of the cyclone from PG. PG still sells a rebuild for that product. I would contact then on the Rodin site for support. The DIY has a bunch of posts about it. Have you tried a search of this site yet ? Hope this is helpful some...

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