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Old 22nd October 2010, 12:08 AM   #1
Fleabor is offline Fleabor  Canada
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Default Tempest Subwoofer

Hello
Question if I take my 15" Tempest 8 ohm Dual voice coils .
When I wire the sub in parallel then I run my Nady xa-900 amp in bridged mono does the sub see that its a 4ohm load .
The amp is rated at 900W @ 4
Thanks
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Old 22nd October 2010, 12:33 AM   #2
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Yes, running the coils in parallel will result in half the impedance.
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Old 22nd October 2010, 12:37 AM   #3
Fleabor is offline Fleabor  Canada
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Well then I am stuck on how I wire up my Nady xa-900 amp and where to connect the speaker wire to what bining posts..

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Originally Posted by 454Casull View Post
Yes, running the coils in parallel will result in half the impedance.
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Old 22nd October 2010, 05:28 AM   #4
Raoul is offline Raoul  United States
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Here is a link describing options for wiring a dual coil sub:


JL Audio - Car Audio Systems

Last edited by Raoul; 22nd October 2010 at 05:33 AM.
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Old 22nd October 2010, 12:40 PM   #5
epa is offline epa  Netherlands
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Quote:
Originally Posted by Fleabor View Post
Well then I am stuck on how I wire up my Nady xa-900 amp and where to connect the speaker wire to what bining posts..
usually ch1 plus = plus ,ch 2 plus = minus
if the amp has a bridge switch it should be on that,if not ypu should reverse polarety on the second channel.
a manual would be helpful
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Old 22nd October 2010, 03:29 PM   #6
GM is offline GM  United States
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