bridging 300/4
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=53271
Printed Date: April 28, 2024 at 9:47 PM
Topic: bridging 300/4
Posted By: jumpn
Subject: bridging 300/4
Date Posted: April 05, 2005 at 12:05 AM
I am planning on running my components off the channels 1 and 2 of my JL amp (300/4) and bridging channels 3 and 4 to run two subs rated at 150 rms. Bridged, that is exactly what I should be getting. The JL manual says that the amp is stable to 1.5 ohms when not bridged, and at 3 ohms when it is bridged. I would be seeing a 2 ohm load with these subs wired in parallel, correct? I was planning on bridging so I could get the most pop out of this amp as possible. I know I could run the subs in stereo, each getting 75 watts at 4 ohms. Is that the safest way for me to go? I really don't want to buy another amp for the subs, I am just trying to keep this as simple and efficient as possible. Thanks.
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2004 Saturn vue, Alpine 9811, jl 300/4, bazooka 8" subs X 2, bazooka 6.5 comps.
Replies:
Posted By: wheelerdr
Date Posted: April 05, 2005 at 3:11 AM
a 2 ohm load will run this amp in protection mode more than likley. so i eoulf run in dtero for a 4 ohm load
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Posted By: stevdart
Date Posted: April 05, 2005 at 4:53 AM
You have two subs that are each SVC 4 ohm, I take it? Here is your wiring diagram 
That, or wire each sub to a channel are your choices for the same power either way.
Posted By: jumpn
Date Posted: April 05, 2005 at 9:15 AM
OK, thanks for your help. Looks like I will just run the subs off their own channels.
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2004 Saturn vue, Alpine 9811, jl 300/4, bazooka 8" subs X 2, bazooka 6.5 comps.
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