Absolute confusion on iNuke Bridge mode to two subwoofers - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 7 Old 05-23-2019, 04:51 AM - Thread Starter
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Absolute confusion on iNuke Bridge mode to two subwoofers

Hey guys, I'm new to speakon cables and connections and what needs to be done in order to achieve wiring up a 4 ohm load.

-I have the inuke 1000dsp -I have two seperate subwoofers, they are 8 ohms each and have a speakon connection. Model Dayton PA460-8

I want to wire them in bridge mode. To accomplish this they need to be wired in parallel and connect to output A of the amp. This will give me a 4 ohm load and each sub would recieve 500w

From what info I have this is the cable I would make

https://www.avsforum.com/photopost/d...ysplitter5.png

And wire the red to 1+ and the black to 2+ as per the settings on the back of the amp

Am I missing anything? Am I over complicating things ? does the cable need to be a 4 pole in bridge? how do i wire this up? any diagrams? much apprecaited.
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post #2 of 7 Old 05-23-2019, 05:47 AM
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Quote:
Originally Posted by Chris Corcoran View Post
Hey guys, I'm new to speakon cables and connections and what needs to be done in order to achieve wiring up a 4 ohm load.

-I have the inuke 1000dsp -I have two seperate subwoofers, they are 8 ohms each and have a speakon connection. Model Dayton PA460-8

I want to wire them in bridge mode. To accomplish this they need to be wired in parallel and connect to output A of the amp. This will give me a 4 ohm load and each sub would recieve 500w

Not quite, would be more like ~350 watts each IIRC.


Quote:
Originally Posted by Chris Corcoran
From what info I have this is the cable I would make

https://www.avsforum.com/photopost/d...ysplitter5.png

And wire the red to 1+ and the black to 2+ as per the settings on the back of the amp

Am I missing anything? Am I over complicating things ? does the cable need to be a 4 pole in bridge? how do i wire this up? any diagrams? much apprecaited.

That cable would work. You could also put 2 NL4MPRs on one box, one as input and the other as output to the 2nd sub, wired in parallel. You do need 4 pole SpeakOn connectors, not wire.

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post #3 of 7 Old 05-23-2019, 06:25 AM
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To clarify, you need the 4 pole Speakon for the amp side only. You can use two pole if you wish at the speakers. Another option would be to use 4 conductor wire and combine the + & - for the speakon at the amp.
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post #4 of 7 Old 05-23-2019, 06:31 AM
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Originally Posted by Zarkoff500 View Post
Another option would be to use 4 conductor wire and combine the + & - for the speakon at the amp.

Do you cut strands from each to accomplish that? I have a tough enough time getting single 12Ga into some of the SpeakOns I've used, can't imagine multiples of any gauge.

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post #5 of 7 Old 05-23-2019, 07:24 AM
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Quote:
Originally Posted by smcmillan2 View Post
Do you cut strands from each to accomplish that? I have a tough enough time getting single 12Ga into some of the SpeakOns I've used, can't imagine multiples of any gauge.


Yes. I cut about 1/2 the strands off each 12awg wire end when I wire speakons like this.
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post #6 of 7 Old 05-23-2019, 01:26 PM - Thread Starter
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Quote:
Originally Posted by Chris Corcoran View Post
Hey guys, I'm new to speakon cables and connections and what needs to be done in order to achieve wiring up a 4 ohm load.

-I have the inuke 1000dsp -I have two seperate subwoofers, they are 8 ohms each and have a speakon connection. Model Dayton PA460-8

I want to wire them in bridge mode. To accomplish this they need to be wired in parallel and connect to output A of the amp. This will give me a 4 ohm load and each sub would recieve 500w

From what info I have this is the cable I would make

https://www.avsforum.com/photopost/d...ysplitter5.png

And wire the red to 1+ and the black to 2+ as per the settings on the back of the amp

Am I missing anything? Am I over complicating things ? does the cable need to be a 4 pole in bridge? how do i wire this up? any diagrams? much apprecaited.

Ok so Just to get some final questions out of the way and a conformation before I go ahead and buy/make everything I need

1) I need a 4 pole speakon connector that connects to the AMP SIDE ONLY - I can use only a 2 conductor wire ( why do some forums say people need to use a 4 conductor ? )

2) as per the back of the nu1000 ( it says bridge mode is 1+ positive, and 2+ negative ) I connect the red wire, to the 1+ connecting lug on the 4 pole connector. I connect the black wire to the 2+ connecting lug on the connector.

3 I can then wire up the cable as shown in the picture and terminate both sides with a 2 pole speakon connector. I match the red/black on the two pole connector to match where the red/black is connected on the female speakon on each subwoofer ( so if red is +1 and black is -1 in the subwoofer, I would connect the red/black the same way on each end of the 2 pole connectors that go into the subs ).

https://www.avsforum.com/photopost/d...ysplitter5.png

does this cover everything? my confusion is why I needed a 4 pole connector if I only use two wires on the amp side. I 100% dont need a 4 conductor wire? why are they used in some builds if most subs only have 2 connections?
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post #7 of 7 Old 05-23-2019, 03:07 PM
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Quote:
Originally Posted by Chris Corcoran View Post
Ok so Just to get some final questions out of the way and a conformation before I go ahead and buy/make everything I need

1) I need a 4 pole speakon connector that connects to the AMP SIDE ONLY - I can use only a 2 conductor wire ( why do some forums say people need to use a 4 conductor ? )
I always get 4 pole all the way around. They are minimally (if at all) more expensive, and will leave your options open down the road should your wiring needs change.

Quote:
Originally Posted by Chris Corcoran
2) as per the back of the nu1000 ( it says bridge mode is 1+ positive, and 2+ negative ) I connect the red wire, to the 1+ connecting lug on the 4 pole connector. I connect the black wire to the 2+ connecting lug on the connector.
Correct.

Quote:
Originally Posted by Chris Corcoran
3 I can then wire up the cable as shown in the picture and terminate both sides with a 2 pole speakon connector. I match the red/black on the two pole connector to match where the red/black is connected on the female speakon on each subwoofer ( so if red is +1 and black is -1 in the subwoofer, I would connect the red/black the same way on each end of the 2 pole connectors that go into the subs ).

https://www.avsforum.com/photopost/d...ysplitter5.png
Also correct.

Quote:
Originally Posted by Chris Corcoran
does this cover everything? my confusion is why I needed a 4 pole connector if I only use two wires on the amp side. I 100% dont need a 4 conductor wire? why are they used in some builds if most subs only have 2 connections?
You need a 4 pole connector on the amp side, otherwise you don't have lugs +/-2

Re: 4 conductor wire - Don't know, I haven't seen anyone recommend that for this type of wiring, and I can't think of any reason it would be needed.
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