DVC connected as SVC

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Mjbarahona

Member - Posts: 16

Joined: June 20, 2002

Location: United States

Posted: July 21, 2004 at 3:54 PM / IP Logged

What happens To DVCs when they are only connected to only one end as Single voice coils. I have a friend who has a pair of 12" JL audio W6's 6 OHM DVCs but they are connected stereo to the amp only one end of the coils is connected in each sub. I know my Kicker says we shouldn't connect onle one end but i dont know what happens if you do, his JL's sound good.

Leif

Copper - Posts: 71

Joined: July 15, 2004

Location: United States

Posted: July 21, 2004 at 4:27 PM / IP Logged

Even though they may work, they'll probably die prematurely as there's now only one voicecoil doing all the work, and it'll get pretty hot.

With 6 ohm DVCs he could parallel the two voice coils and end up with two 3 ohm loads for the amplifier. I believe *any* modern car amplifier will handle that with no problems whatsoever - and it might just get quite a bit louder, too (theoretically 3dB).

///Leif

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Posted: July 21, 2004 at 5:13 PM / IP Logged

The only thing wrong with doing this is that the power handling of the sub is usually knocked down by half. There is nothing wrong with only using one coil. In this case however I would also wire these particular subs in parallel and make them a 3 ohm driver and run the subs in stereo to the amplifier.

Top Secret, I can tell you but then my wife will kill me.

Ravendarat

Platinum - Posts: 2,806

Joined: February 23, 2004

Location: Canada

Posted: July 21, 2004 at 7:52 PM / IP Logged

what he said

double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer

Steven Kephart

Platinum - Posts: 1,737

This member consistently provides reliable information

Joined: November 06, 2003

Location: Oregon, United States

Posted: July 21, 2004 at 8:17 PM / IP Logged

A couple of the speaker parameters will change as well. We have a great tech paper on this found below. It describes how you can actually adjust the Qtc. of the system by using a potentiometer on the unused coil.

http://www.adireaudio.com/Files/TechPapers/DualVoiceCoilDrivers.pdf

Steven Kephart

Adire Audio

archemedes

Copper - Posts: 172

Joined: September 08, 2003

Location: United States

Posted: July 21, 2004 at 10:11 PM / IP Logged

it aslo usually sounds like doodoo

Steven Kephart

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Joined: November 06, 2003

Location: Oregon, United States

Posted: July 22, 2004 at 2:00 AM / IP Logged

Hey guys, I just realized I linked the wrong tech paper above. Here's the right paper: http://www.adireaudio.com/Files/TechPapers/RDOOperation.pdf

That other paper is still worth reading, but is a little off topic.

Steven Kephart

Adire Audio

Mjbarahona

Member - Posts: 16

Joined: June 20, 2002

Location: United States

Posted: July 22, 2004 at 6:41 PM / IP Logged

Thanks to everyone for the assistance.

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DVC connected as SVC

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