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2 channel amp powering 4 speakers?

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Old 01-12-2009, 08:26 PM
Rhino40's Avatar
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Default 2 channel amp powering 4 speakers?

can i use my 2 channel RF 250.2 amp to power my 6 1/2's and my 6X9's?
 
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Old 01-12-2009, 08:34 PM
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Possibly.

According to the specs on that amp, it's stable at 2 ohms giving you 125x2. You will want to make sure your speakers are good to run at 2 ohms and then you'll have to wire them as such. This probably means running new wires to all 4 speakers. Are your 6.5s and 6x9s single voice coil or dial voice coil? (Some of mine used to be, thats why I ask.) I'll assume single voice coil, 4 ohm.

You'll want to wire each side basically like this:

Image borrowed from the12volt.com
 
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Old 01-13-2009, 02:35 PM
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yes you can use that amp and those speakers but wire both of the lefts together and both the rights together

Originally Posted by itinerant
You will want to make sure your speakers are good to run at 2 ohms and then you'll have to wire them as such.
the speakers ohms don't change
Originally Posted by itinerant
This probably means running new wires to all 4 speakers.
not necessarily but I deff would if you are running 75 watts rms to each
Originally Posted by itinerant
Are your 6.5s and 6x9s single voice coil or dial voice coil?
ive never heard of dial voice coils ha ha and ive never heard of dual voice coil speakers just subs
Originally Posted by itinerant
(Some of mine used to be, thats why I ask.)
what brand,model numbers?
 

Last edited by kanarrjl; 01-13-2009 at 02:37 PM.
  #4  
Old 01-13-2009, 05:04 PM
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Sometimes I get retarded when I haven't slept in two days.


the speakers ohms don't change
True, but if you run them wired to a total resistance of like 1 or 2 ohms, they get more power which could blow them if their RMS rating is low.

never heard of dial voice coils ha ha and ive never heard of dual voice coil speakers just subs
Of course I meant dual. Typos happen. Yay for proofreading.

what brand,model numbers?
Kenwood kfc-somethings. I've still got them somewhere. If I dig them up I'll let you know.
 
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Old 01-14-2009, 05:55 AM
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Originally Posted by itinerant
True, but if you run them wired to a total resistance of like 1 or 2 ohms, they get more power which could blow them if their RMS rating is low.
very true
Originally Posted by itinerant
Of course I meant dual. Typos happen. Yay for proofreading.
makes sense
Originally Posted by itinerant
Kenwood kfc-somethings. I've still got them somewhere. If I dig them up I'll let you know.
cool, I was just makin sure you were not one of those walmart xplod ricer types
 
  #6  
Old 01-14-2009, 06:01 AM
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Originally Posted by kanarrjl
cool, I was just makin sure you were not one of those walmart xplod ricer types
I rock a full Alpine setup plus four Crossfire subwoofers. No audio rice here.
 
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Old 01-14-2009, 08:01 AM
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alright thanks for the help guys
 
  #8  
Old 01-14-2009, 09:03 AM
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your welcome
p.s. I <3 ALPINE
 
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