tuning series-tuned 6th order bandpass

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Anyone got an idea how to properly tune these? I understand tuning a "standard" 6th order, but these have one port feeding into the other.

www.the12volt.com/caraudio/boxes6.asp#1

Edited by smithshorn - 28 February 2009 at 5:22am

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smithshorn Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 08 February 2007 Status: Offline Points: 253	Post Options Post Reply Quote smithshorn Report Post Thanks(0) Quote Reply Topic: tuning series-tuned 6th order bandpass Posted: 28 February 2009 at 5:13am
	Anyone got an idea how to properly tune these? I understand tuning a "standard" 6th order, but these have one port feeding into the other. www.the12volt.com/caraudio/boxes6.asp#1 Edited by smithshorn - 28 February 2009 at 5:22am

_djk_ Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 23 November 2004 Location: United States Status: Offline Points: 6002	Post Options Post Reply Quote _djk_ Report Post Thanks(0) Quote Reply Posted: 28 February 2009 at 8:45pm
	http://www.diysubwoofers.org/bnd/6thord4.htm Best simulated with a program before construction.
	djk

smithshorn Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 08 February 2007 Status: Offline Points: 253	Post Options Post Reply Quote smithshorn Report Post Thanks(0) Quote Reply Posted: 28 February 2009 at 11:40pm
	Thanks!!! I couldn't remember what site I thought I had seen the info at. This was it.

Unknown Enemy Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 03 October 2007 Location: Kent Status: Offline Points: 266	Post Options Post Reply Quote Unknown Enemy Report Post Thanks(0) Quote Reply Posted: 01 March 2009 at 12:34am
	Would a 6th Order series cab be like a tapped horn in a way??? It uses both side of the driver and the sound only comes out of one hole, or port, like the tapped horn??? I seem to get less output which is ok but get more low end from a compact cab Been getting about 119db at 30hz from 2x 12 drivers which I think is not bad. Much better than a 6th order parallel or reflex cab.

_djk_ Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 23 November 2004 Location: United States Status: Offline Points: 6002	Post Options Post Reply Quote _djk_ Report Post Thanks(0) Quote Reply Posted: 01 March 2009 at 11:40am
	"Would a 6th Order series cab be like a tapped horn in a way???" No. As we can see, a pair of 12s will can get you well over 130dB at full power in a TH.
	djk