SVC or DVC

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davedyer79

Copper - Posts: 178

Joined: February 18, 2004

Location: United States

Posted: September 10, 2004 at 12:59 PM / IP Logged

What's everyone's opionion? I have a Memphis 500D, 2 ohm stable. Before I had 2 Memphis 10" single voice 4ohm. Should I get the DVC 10"? Is there a sound quality difference between single and dual voice coil speakers? Also, how will I wire 2 DVC 4 ohm to a 2 ohm stable amp. It cannot go to 1 ohm or the amp will clip.

Thanks, Wayne.

davedyer79

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Joined: November 01, 2003

Location: Alberta, Canada

Posted: September 10, 2004 at 1:22 PM / IP Logged

Not gonna happen dude. There should be no audable difference between the two types of subs. The difference is how they wire to any chosen amplifier. 2 dvc 4 ohm subs will yield only these possible combinations. 1 ohm, 4 ohm, 16 ohm. You are much better off with the single 4 ohm subs with the amp that you have.

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

Francious70

Silver - Posts: 629

Joined: July 26, 2004

Location: United States

Posted: September 10, 2004 at 1:53 PM / IP Logged

The only advantage a DVC has over a SVC is if you have only one sub. With a DVC you are able to wire it in parallel to drop the impedance in half. Other than that, stick with SVC's, they're easier to work with. SVC or DVC -- posted image.

Paul

12-volt_guy

Copper - Posts: 53

Joined: September 10, 2004

Location: United States

Posted: September 10, 2004 at 3:28 PM / IP Logged

Francious70 wrote:

Paul

Might be good to add that you should NOT wire DVC woofers in parallel (4-Ohm each) if you're bridging an amplifier. The amp will see a load half of the woofer, or 1-Ohm in this case. You don't want to do that unless you have a very high-current amplifier.

12-volt_guy

Copper - Posts: 53

Joined: September 10, 2004

Location: United States

Posted: September 10, 2004 at 3:34 PM / IP Logged

davedyer79 wrote:

Also, how will I wire 2 DVC 4 ohm to a 2 ohm stable amp. It cannot go to 1 ohm or the amp will clip.

Thanks, Wayne.

The answer to that is to wire each woofer with a short jumper between one coil's POS+ and the other coil's NEG- terminal. Do this to both woofers. Then wire the remaining terminals in parallel to the amp, both POS+ to POS+ and both NEG- to NEG-. This will result in a 4-Ohm load on the amp.

davedyer79

Copper - Posts: 178

Joined: February 18, 2004

Location: United States

Posted: September 12, 2004 at 7:45 PM / IP Logged

Thanks for the responses. I think I will stick with the SVC 10" subs. The reason I asked is that I had a guy at a very well known car electronics store tell me that DVC's will sound like 2 subs if you use both coils, and I thought that sound a little far-fetched. Maybe he was trying to sell me the DVC's so I would buy a new amp. D*#$ those pushy saleman!!

davedyer79

stevdart

Platinum - Posts: 5,816

This member consistently provides reliable information

Joined: January 24, 2004

Location: Pennsylvania, United States

Posted: September 13, 2004 at 8:37 AM / IP Logged

davedyer79 wrote:

I had a guy at a very well known car electronics store tell me that DVC's will sound like 2 subs if you use both coils,

He was probably just, in fact, an idiot.

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

tbirdman74

Copper - Posts: 164

Joined: August 22, 2003

Location: United States

Posted: September 13, 2004 at 9:07 AM / IP Logged

stevdart wrote:

He was probably just, in fact, an idiot.

AMEN Brother!

If it don't fit, Force it.

If it breaks, You needed a new one anyway!

padawan

Copper - Posts: 215

Joined: June 11, 2002

Location: United States

Posted: September 13, 2004 at 10:26 AM / IP Logged

You can also get two dual 2-ohm subs and wire them in series/parallel and get a 2-ohm final load to the amp...this will give u 250W rms per sub with your amp...

Subs like Kicker CompVRs would thrive off a setup like this...Dual 2-ohm compvr 10s have an rms rating of 300W rms, so giving them each 250W rms would be fine.

hurtado_roberto

Copper - Posts: 196

Joined: July 30, 2004

Location: United States

Posted: October 07, 2004 at 7:56 PM / IP Logged

The only reason for a DVC is for adaptability? Will a 4ohm SVC sub sound the same as a 8ohm DVC sub from the same manufacture and series if wired at 4ohm? Will it use the same amount of RMS watts? Will the ratings be different a the different ohm loads?

Poly Dollies

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