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amp for subs

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=74287
Printed Date: July 09, 2025 at 7:49 PM


Topic: amp for subs

Posted By: pchillz75
Subject: amp for subs
Date Posted: March 11, 2006 at 1:27 PM

I just got 2 12" alpine type r's.  they are 4 ohm speakers.  box says rms/peak is 500w/1500w.  am looking for the right amp.  since they are dual voice coil.  should i use 1 amp. -- 2 channel run off bridged.  or 4 channel and run each speaker bridged off of separate channels.  or 2 amps  one to each sub.  do i want to send 500w to each sub?  should i send more closer to 1500w?  have heard these numbers are conservative.  i am using my old q-logic bandpass box(i haven't seen these in a while. . is that a hint?).  do i want the speakers to hit at the same time in a bandpass or off set.. . or is that not up to me.  thanks.

type r

rms/peak  500/1500w                 power range rms  200-500w




Replies:

Posted By: kirktcashalini
Date Posted: March 11, 2006 at 1:43 PM
look for a monoblock class D amp around 1000RMS watts. also, you might enjoy sound more from anything but a bandpass box...

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99 Blazer LT.   Yellow Top. Big 3. Infinity Kappa Speakers All Around. Jensen CD/DVD flip out. 2 Infinity Kappa Perfect 12DVQs powered by a Alpine PDX600.1 (in one custom box, building a FG box)


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