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4 ohm Dual voice coil sub

4 ohm Dual voice coil sub

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Phil01
Posting Freak
2,004
15-02-2017, 02:56 AM
#1
Hi Just acquired a 12" sub (thanks terry) and a 400watt amp (thanks Chris)
The sub is a 4ohm dual voice coil, what is the correct way to wire it to the amp, amp will be bridged (Mono) running sub only. 4ohm

The sub has two terminal blocks + - and + -

I want the best deeep bass drop not outright chavvy volume,

Thanks guys
Phil01
15-02-2017, 02:56 AM #1

Hi Just acquired a 12" sub (thanks terry) and a 400watt amp (thanks Chris)
The sub is a 4ohm dual voice coil, what is the correct way to wire it to the amp, amp will be bridged (Mono) running sub only. 4ohm

The sub has two terminal blocks + - and + -

I want the best deeep bass drop not outright chavvy volume,

Thanks guys

FirebirdPhil
Posting Freak
7,101
15-02-2017, 03:58 AM
#2
OK if dual 4 Ohm it can be wired as either 2 Ohm or 8 Ohm NOT 4 Ohm.

To get 4 Ohm you need a dual 2 Ohm speaker. I fell into this trap but the lads a Bass Junkies swapped the speaker over for me.

The dual 2 ohm voice coil subs can be wired for either 1 Ohm or 4 ohm.


You cannot run single coil supply you will damage the speaker!!

hope that helps I can do a diagram if you want?
Edited 29-03-2010, 07:27 PM by FirebirdPhil.

"Life's goal is not to arrive safely at the grave in a well preserved body. But, rather to skid in sideways........
totally worn out and broken, shouting 'Holy ****, WHAT A RIDE!'"
FirebirdPhil
15-02-2017, 03:58 AM #2

OK if dual 4 Ohm it can be wired as either 2 Ohm or 8 Ohm NOT 4 Ohm.

To get 4 Ohm you need a dual 2 Ohm speaker. I fell into this trap but the lads a Bass Junkies swapped the speaker over for me.

The dual 2 ohm voice coil subs can be wired for either 1 Ohm or 4 ohm.


You cannot run single coil supply you will damage the speaker!!

hope that helps I can do a diagram if you want?


"Life's goal is not to arrive safely at the grave in a well preserved body. But, rather to skid in sideways........
totally worn out and broken, shouting 'Holy ****, WHAT A RIDE!'"

Phil01
Posting Freak
2,004
15-02-2017, 04:15 AM
#3
Thanks Phil, what would be the best performer, low or high impedance, and yes a wiring diagram would help,
Need deep drop rather than vlolume,
Thanks
Phil01
15-02-2017, 04:15 AM #3

Thanks Phil, what would be the best performer, low or high impedance, and yes a wiring diagram would help,
Need deep drop rather than vlolume,
Thanks

FirebirdPhil
Posting Freak
7,101
15-02-2017, 04:40 AM
#4
Either way mate, they are designed to be flexible. Whatever your amp can supply most off. My old Lex. was running 1 Ohm sub, the MR2 is running 4 Ohm the limiting factor is the Amp not the speaker.

"Life's goal is not to arrive safely at the grave in a well preserved body. But, rather to skid in sideways........
totally worn out and broken, shouting 'Holy ****, WHAT A RIDE!'"
FirebirdPhil
15-02-2017, 04:40 AM #4

Either way mate, they are designed to be flexible. Whatever your amp can supply most off. My old Lex. was running 1 Ohm sub, the MR2 is running 4 Ohm the limiting factor is the Amp not the speaker.


"Life's goal is not to arrive safely at the grave in a well preserved body. But, rather to skid in sideways........
totally worn out and broken, shouting 'Holy ****, WHAT A RIDE!'"

Dark Samurai
Posting Freak
4,957
15-02-2017, 07:22 AM
#5
Dad im speakign to sam at the moment, so ill get back to you, he said phil is right. and i thought you may have had to make the circle around sub like he said

Lexus IS300 Sportcross in Platinum Ice.
Click here for garage.

PSN ID: O3107 
Dark Samurai
15-02-2017, 07:22 AM #5

Dad im speakign to sam at the moment, so ill get back to you, he said phil is right. and i thought you may have had to make the circle around sub like he said


Lexus IS300 Sportcross in Platinum Ice.
Click here for garage.

PSN ID: O3107 

Dark Samurai
Posting Freak
4,957
15-02-2017, 07:42 AM
#6
is this right 2tongues?
Attached Files
.jpg
bridged 4 channel.jpg
Size: 22.84 KB / Downloads: 11

Lexus IS300 Sportcross in Platinum Ice.
Click here for garage.

PSN ID: O3107 
Dark Samurai
15-02-2017, 07:42 AM #6

is this right 2tongues?

Attached Files
.jpg
bridged 4 channel.jpg
Size: 22.84 KB / Downloads: 11

Lexus IS300 Sportcross in Platinum Ice.
Click here for garage.

PSN ID: O3107 

FirebirdPhil
Posting Freak
7,101
15-02-2017, 07:49 AM
#7
Diagram:

http://www.the12volt.com/caraudio/woofer...p~Q~1~I~42
Edited 29-03-2010, 07:25 PM by FirebirdPhil.

"Life's goal is not to arrive safely at the grave in a well preserved body. But, rather to skid in sideways........
totally worn out and broken, shouting 'Holy ****, WHAT A RIDE!'"
FirebirdPhil
15-02-2017, 07:49 AM #7

Diagram:

http://www.the12volt.com/caraudio/woofer...p~Q~1~I~42


"Life's goal is not to arrive safely at the grave in a well preserved body. But, rather to skid in sideways........
totally worn out and broken, shouting 'Holy ****, WHAT A RIDE!'"

Dark Samurai
Posting Freak
4,957
15-02-2017, 09:10 AM
#8
put the ohm meter on the terminals and came out as 2 ohm when he wired it up for the 8ohm system.

Lexus IS300 Sportcross in Platinum Ice.
Click here for garage.

PSN ID: O3107 
Dark Samurai
15-02-2017, 09:10 AM #8

put the ohm meter on the terminals and came out as 2 ohm when he wired it up for the 8ohm system.


Lexus IS300 Sportcross in Platinum Ice.
Click here for garage.

PSN ID: O3107 

FirebirdPhil
Posting Freak
7,101
15-02-2017, 09:40 AM
#9
OOPs copy and pasted it the wrong way around, will re-do the diagram - better still a link to all the info you will need!! link

Yours would be OK if the signal to BOTH coils is identical, and the gains are also identical.
Edited 29-03-2010, 07:26 PM by FirebirdPhil.

"Life's goal is not to arrive safely at the grave in a well preserved body. But, rather to skid in sideways........
totally worn out and broken, shouting 'Holy ****, WHAT A RIDE!'"
FirebirdPhil
15-02-2017, 09:40 AM #9

OOPs copy and pasted it the wrong way around, will re-do the diagram - better still a link to all the info you will need!! link

Yours would be OK if the signal to BOTH coils is identical, and the gains are also identical.


"Life's goal is not to arrive safely at the grave in a well preserved body. But, rather to skid in sideways........
totally worn out and broken, shouting 'Holy ****, WHAT A RIDE!'"

Phil01
Posting Freak
2,004
16-02-2017, 02:03 AM
#10
Right, easy simple question for you,,,

400watt bridged mono at 4 ohm, amp
4ohm dual voice coil Sub.

Why can't I just use One voice coil and NOT connect to the other, seen on a USA forum that this is perfectly feasible and used by many installers with no know problems, overheating or burnt out electric's, to me this is the simplest way to connect a rated 4ohm amp and sub????

Why do I need to connect both voice coils to get 2ohms or wire it different to get 8ohms, cant work that one out,

Cheers as always guys,
Link below for USA forum

http://www.the12volt.com/installbay/foru...74640~PN~1
Phil01
16-02-2017, 02:03 AM #10

Right, easy simple question for you,,,

400watt bridged mono at 4 ohm, amp
4ohm dual voice coil Sub.

Why can't I just use One voice coil and NOT connect to the other, seen on a USA forum that this is perfectly feasible and used by many installers with no know problems, overheating or burnt out electric's, to me this is the simplest way to connect a rated 4ohm amp and sub????

Why do I need to connect both voice coils to get 2ohms or wire it different to get 8ohms, cant work that one out,

Cheers as always guys,
Link below for USA forum

http://www.the12volt.com/installbay/foru...74640~PN~1

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