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 Amplifier and Speaker/Woofer Resistant, Also known as OHM !

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valve_300b
post Sep 27 2006, 05:26 PM

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QUOTE(Amedion @ Sep 27 2006, 04:49 PM)
Ok, i've learnt this somewhere in ICE forum but forgotten already. Didn't touch ICe for almost 2 years. I'm looking for Amplifier and Woofer now. So, i just wanna make sure both can match.

Now what i wanted to know is the ohm(s)...

Let say i got a monoblok amp that can do :-
- 300W RMS 4ohms
- 500w RMS 2ohms
- 700w RMS 1ohm

And woofer that states the specification as following :-
- 300w RMS 4 ohms

Note that I installing 2 piece of Woofers..

What i wanted to ask is.. If i connect the amplifier to run at 1ohm.. Will the woofer blow? Cause if i run at 4 ohms if not enuff...
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2 pieces of woofer i suppose if both are 4 ohm, it should be 2 ohm if u wire parallel.

no ur woofer will not blow if u wire it at 1ohm, in which if u have Dual voice coil woofer (both), it should be 1 ohm if u wire parallel. however, you can wire serial and parallel and it should be 4 ohm. But the 4 ohm wiring will not have as much power as the 1 ohm. However, it is easier to drive a 4 ohm than a 1 ohm woofer

Kong, no it's not a problem connecting a 8ohm woofer. In fact, it is easier for the amplifier easier to drive it.

edit: typo

This post has been edited by valve_300b: Sep 27 2006, 05:38 PM
valve_300b
post Sep 27 2006, 05:46 PM

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QUOTE(Amedion @ Sep 27 2006, 05:38 PM)
I think u guyz mistaken already.. I am not asking how to wire it to get 1ohm.. That one i know.. I am asking... The spec on woofer states 4OHM.. if i wired the amp and woofer to run at 1ohm.. The woofer can blow/burn or not since the spec is 4ohms..
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get 2 x DVC woofer. wire them parallel and you'll get 1 Ohm
valve_300b
post Sep 27 2006, 05:48 PM

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QUOTE(Amedion @ Sep 27 2006, 05:40 PM)
Thanks for the advise.. Now i get it.. It will not burn.. I know powering at 4ohms is easier.. Problem is monoblok amp that has 600w rms @ 4 ohms is crazy already.. I cannot afford that..  laugh.gif I can only afford those 300w RMS @ 4 ohms.. 700w RMS @ 1 ohm..  whistling.gif
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trust me, you do not want to go down to 1 ohm. watt and ohm is just part of the equation of having loud sound.

In the other hand, if u have a higher efficent woofer, you will not need that much power nor if you need to go that low to get the juice.

 

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