How to tell RMS output on my MEI amp? - Audio & Electronics Forum

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How to tell RMS output on my MEI amp?
Thursday, March 03, 2005 8:07 AM
Hey,

I have an MEI amp that is 240 watts max and I know it's a 2 channel amp. I want to use it to run my infinity front 6.5" speakers. But I bought it from my cousin who doesn't have the box, or instructions or anything else with it. I can't find the brand or amp anywhere on the internet. I want to know the rms wattage for it and if it puts out at 4 ohms x 2 like i need it too....does anyone know how? or does anyone have an MEI amp?

Any help is greatly appreciated...

Gary

Re: How to tell RMS output on my MEI amp?
Thursday, March 03, 2005 9:14 AM
You can calculate the RMS using this equation:



where the expectation value of x2 is given by



Notice that this can be solved using the identity



where I0(a) is



Therefore



and




Given that the classical turning point is 1/Öa the r.m.s. displacement is 1/Ö2 of the classical turning point. The classical turning point is the point at which all of the energy is potential energy (i.e. when the mass stops and turns around its velocity is zero and so all of its energy is potential).



Therefore










Sorry had to do it. haha, The best way would be to call the company or email them asking about your particular model #.

Hope that helped.






Re: How to tell RMS output on my MEI amp?
Thursday, March 03, 2005 9:20 AM
I understood all that... is there something wrong with me?

lol!




<b>"In this world, nothing is certain but death and taxes." </b>
Re: How to tell RMS output on my MEI amp?
Thursday, March 03, 2005 4:34 PM
ohm's law...learn it, use it, love it.




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Re: How to tell RMS output on my MEI amp?
Thursday, March 03, 2005 4:42 PM
Well, since I'm an accounting major, and all I know how to do is add and subtract, can someone help me out with this ohm's law equation???

Gary
Re: How to tell RMS output on my MEI amp?
Thursday, March 03, 2005 4:46 PM
It's probably around 50 watts RMS per channel. Maybe a little more. Do you have the model number off the amp? Would help. That way, you can do a search online for that amp, and possibly find the specs.




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Re: How to tell RMS output on my MEI amp?
Thursday, March 03, 2005 4:53 PM
$ickCav03 wrote:Hey,

I have an MEI amp that is 240 watts max and I know it's a 2 channel amp. I want to use it to run my infinity front 6.5" speakers. But I bought it from my cousin who doesn't have the box, or instructions or anything else with it. I can't find the brand or amp anywhere on the internet. I want to know the rms wattage for it and if it puts out at 4 ohms x 2 like i need it too....does anyone know how? or does anyone have an MEI amp?

Any help is greatly appreciated...

Gary

MEI is crap you will be lucky if you have more then 20 W rms x 2 @ 4ohms



2 x Adire Brahma 15", 2 x PA A3000DB
Re: How to tell RMS output on my MEI amp?
Thursday, March 03, 2005 8:00 PM


Gary
MEI is crap you will be lucky if you have more then 20 W rms x 2 @ 4ohms


Ya, and thats at 20% thd *rol *rol


AM I RETARDED or AM I JUST OVER JOYED?
Re: How to tell RMS output on my MEI amp?
Friday, March 04, 2005 3:03 AM
isntr there a way to measure th voltage comming out of the speaker terminals and converting it to watts??phil
Re: How to tell RMS output on my MEI amp?
Friday, March 04, 2005 5:15 AM
Philly D wrote:isntr there a way to measure th voltage comming out of the speaker terminals and converting it to watts??phil

yes, use ohm's law. voltage squared / resistance=power


--------------------------------------------------------------
Offical dealer for the following-

SOUNDSTREAM
DB LINK
DB DRIVE
PANASONIC
GARMIN
ROSEN
SCOSCHE
XE DESIGNS
SOUNDGATE
PAC
LITEGLOW

Re: How to tell RMS output on my MEI amp?
Friday, March 04, 2005 9:17 AM
plug it in and turn it on, adjust the volume slowly and adjust the gain as need be. no reall need to know exactly what its putting out. if u start turning the volume up and it starts distorting, turn it down.


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