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mono and stereo?

Old 01-12-2004, 09:18 PM
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Tzu
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can someone tell me the difference between the two when were talking about amps? whats the difference between 200 watts @ 4ohm mono and 200 watts @ 4ohm stereo?
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Old 01-12-2004, 10:22 PM
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Mono, (either from two channels bridged or a single channel amplifier), is the total power the amplifier will produce into a given impedence ie. [email protected] mono.

If someone was to say [email protected] stereo it would likely mean 200watts per channel at 4ohms ie. [email protected] on a two chanel amplifier.
Although some manufacturers may say [email protected] stereo meaning total power, all channels driven.

Hope this helps.
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Old 01-12-2004, 10:25 PM
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Good question ! I have a situation...

I have a zapco AG750 . These are the specs:

175W x 2 @ 4ohm stereo
350W x 2 @ 2ohm stereo
750W x 1 @ 4ohm mono

I want to power a e8a4.4 dual 4ohm sub.
In what configuration will I run this sub with my amp ?

[ January 12, 2004, 11:26 PM: Message edited by: Rob ]
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Old 01-12-2004, 10:28 PM
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Originally posted by Hardwrkr:
Mono, (either from two channels bridged or a single channel amplifier), is the total power the amplifier will produce into a given impedence ie. [email protected] mono.

If someone was to say [email protected] stereo it would likely mean 200watts per channel at 4ohms ie. [email protected] on a two chanel amplifier.
Although some manufacturers may say [email protected] stereo meaning total power, all channels driven.

Hope this helps.
In simpler terms

Mono = 1
Stereo = 2

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Old 01-12-2004, 11:03 PM
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The only way to wire up that sub with an impedence the amp will find friendy is to wire each coil on its own channel.
ie. left side on one coil and right side on the other.
That will give the sub ~350rms.
If you find that the sub is not getting enough power look for an amp that can handle 2 ohm mono and sell the AG750 to me cheap.
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Old 01-12-2004, 11:57 PM
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well 350 rms is about 400 watts on a zapco, so that will be perfect for my lil e8a ! [img]graemlins/headbang.gif[/img]
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Old 01-13-2004, 12:02 AM
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^^^^ Or wire the coils in series and bridge the amp is actually what I would do. The sub will still be seeing ~350rms and only getting half the potential of your amp but the power is there if you decide to add a second e8a or a higher power handling driver in the future.
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Old 01-13-2004, 05:23 AM
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^^^^ Will that even work ? If you bridge the amp you have output at 4ohm... if you series the coils you have 8ohm and if u parallel them u get 2ohm... Please explain.
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Old 01-13-2004, 06:03 AM
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It will work just fine...the amp will put out the same amount of total power at 8ohms mono that it does at 4ohms stereo. The added bonus is the fact that if there is any difference in output between the 2 channels, running it in mono will save you trying to match the gains exactly so that each coil gets the same power from low to full output. The amp will stay nice and cool, the sub gets lots of clean power with full damping factor, and you can add another sub later if you want to.

HTH
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Old 01-13-2004, 07:42 AM
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Originally posted by Rob:
Good question ! I have a situation...

I have a zapco AG750 . These are the specs:

175W x 2 @ 4ohm stereo
350W x 2 @ 2ohm stereo
750W x 1 @ 4ohm mono

I want to power a e8a4.4 dual 4ohm sub.
In what configuration will I run this sub with my amp ?
Series the coils for 8 ohm mono, or just run it in stereo. [img]smile.gif[/img]

However, it would have come in handy if e8a's were orderable in Dual 2 ohm.

[ January 13, 2004, 08:45 AM: Message edited by: Chadxton ]
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