DVC to 4 Channel Amp

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Kronikilization

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Joined: December 23, 2004

Location: South Africa

Posted: January 04, 2005 at 4:01 PM / IP Logged

Hi,could somebody please tell me how to wire a DVC sub to a 4 channel amp?

Thanks

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stevdart

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Joined: January 24, 2004

Location: Pennsylvania, United States

Posted: January 04, 2005 at 4:19 PM / IP Logged

Post: sub model, coil impedance. Amp model, rated output. In general, it's a bad idea to connect the two coils to separate channels.

Kronikilization

Member - Posts: 9

Joined: December 23, 2004

Location: South Africa

Posted: January 05, 2005 at 3:22 AM / IP Logged

Sub : Pioneer TS-W305DVC

dual 4 ohm

Amp : Blaster 1000w / 250w *4

4 Channel

jeffchilcott

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Posted: January 05, 2005 at 6:24 AM / IP Logged

need more specs on the amp, If it is 2 or 1 ohm stable, I am going to assume at best your only going to have a 2 ohm stable amp. The most efficent way to wire the sub would be.

Wire the sub in series giving you an 8 ohm load then bridge it on 2 of the channels giving you a 4 ohm load on each side.

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stevdart

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Posted: January 05, 2005 at 7:51 AM / IP Logged

stevdart wrote:

In general, it's a bad idea to connect the two coils to separate channels.

My bad on this wording. I meant it's a bad idea to use a 4 channel amp for the sole purpose of powering one DVC sub...which would call for bridging a coil to two of the channels and the other coil to the other two channels.

Kronikilization

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Joined: December 23, 2004

Location: South Africa

Posted: January 05, 2005 at 1:24 PM / IP Logged

The amp is 2 ohm stable....

I did wat jeffchilcott said and wired the sub in serial and bridged it on two channels of the amp , it seems to be working alright.but just wanted to know if there is difference between wiring it in serial or bridging a coil to two of the channels and the other coil to the other two channels?

stevdart

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Posted: January 06, 2005 at 1:09 AM / IP Logged

DVC to 4 Channel Amp -- posted image.

Wiring the coils in series makes an 8 ohm load onto two channels. The amplifier's output would be half of the rating your amp gives for a 4 ohm bridged load. I don't know what the RMS output is by what you have posted. Only half the amp is being used and you have the other two channels unused.

On the contrary, bridging the coils separately (as if you were wiring two individual woofers) to both front and rear of the 4 channel amp is an output of the 4 ohm bridged output times 2. The entire amp is being used at the limit of its potential.

The difference is about 4 times the output. But I cautioned about using a DVC woofer this way above.

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DVC to 4 Channel Amp

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