confused by choices

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juscrusing

Member - Posts: 15

Joined: March 09, 2005

Location: United States

Posted: March 20, 2005 at 11:19 PM / IP Logged

i'm adding two more subs to my ride but i'm kinda confused on what would be best.....

ive got a 4/3/2 channel 400 watt amp and i'm adding 2-8 inch subs would i have more output with dual voice coils at 100 watts/ channel-4 channel mode or single voice coil with the amp bridged to 150 watts/channel in 2 channel mode?? also i already have a 300 watt mono amp to a 10 inch sub and the head lights dim slighly when its hitting hard--will the additional amp cause a charging problem...??

thanks for the input

(i know sounds like a strange set up but i'm very space limited in a jeep)

juscrusing

Sancho

Copper - Posts: 162

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Joined: August 05, 2004

Location: United States

Posted: March 21, 2005 at 2:17 AM / IP Logged

there is no difference single or dual voice coils, the only difference that with dual voice coil you got more oportunities to connect it different ways.... now tell us about your amp specs(brand,model) and than will see.......

Head Unit:Alpine CDA 9835

6.5 MB Quart Pce 210

Amp:JBL 80.4

Amp:JBL 1200.1

Sub:Adire Brahma 12 MKII

juscrusing

Member - Posts: 15

Joined: March 09, 2005

Location: United States

Posted: March 21, 2005 at 4:55 AM / IP Logged

the amp is nothing fancy --Jenson xa4200 400 watt 2 ohm stable

juscrusing

ss-installer

Silver - Posts: 444

Joined: February 27, 2005

Location: United States

Posted: March 21, 2005 at 7:30 AM / IP Logged

what size power wire are you running? run 4 awg to a dist block and make sure your grounds are short and scraped good. that one amp shouldnt do much. two svc 4ohm subs will work fine for your amp.

stevdart

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Joined: January 24, 2004

Location: Pennsylvania, United States

Posted: March 21, 2005 at 7:59 AM / IP Logged

juscrusing wrote:

i already have a 300 watt mono amp to a 10 inch sub and the head lights dim slighly when its hitting hard--will the additional amp cause a charging problem...??

What you say here indicates that there already IS a power supply problem. Adding another load is, of course, going to exacerbate that problem. Fix what you have already and make sure the Jeep's wiring, alternator and battery are up to the task of additional loading before you add more.

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

juscrusing

Member - Posts: 15

Joined: March 09, 2005

Location: United States

Posted: March 21, 2005 at 3:31 PM / IP Logged

thanks for the input....i had a feeling reading through the forums that i was due a high output altenator especially with my off-road lights and a winch i'm adding on guess an extra battery would be in order too...

juscrusing

Member - Posts: 15

Joined: March 09, 2005

Location: United States

Posted: March 21, 2005 at 3:32 PM / IP Logged

confused by choices - Last Post -- posted image.

$$$

juscrusing

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confused by choices

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