Quieter Fan Mod for Behringer EP2500 - Page 2 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #11 of 206 Old 02-25-07, 03:57 PM Thread Starter
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Re: Quieter fan mod for Behringer EP2500

Why would you think that the US market Behringer EP amps use a 12 Volt fan?

There are threads on the IB Cult discussing choice of 24Volt fan to make the amp quieter in use. Posters have been mostly American based.

The original fan is too noisy and doesn't run well with series resistance according to those who have tried.

A 12 Volt fan fed with 24 Volts would scream its little heart out until it died in agony.
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post #12 of 206 Old 02-25-07, 04:48 PM
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Re: Quieter fan mod for Behringer EP2500

I just order the fans!! they should be here Wednesday.
Sonnie! yours is coming too!!
Thanks guys!!


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post #13 of 206 Old 02-25-07, 07:05 PM
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Re: Quieter fan mod for Behringer EP2500

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Chrisbee wrote: View Post
Why would you think that the US market Behringer EP amps use a 12 Volt fan?

There are threads on the IB Cult discussing choice of 24Volt fan to make the amp quieter in use. Posters have been mostly American based.

The original fan is too noisy and doesn't run well with series resistance according to those who have tried.

A 12 Volt fan fed with 24 Volts would scream its little heart out until it died in agony.
???? Did I ask a bad question?
I asked what the voltage of the US model fan is. There's a lot of great fans ball bearing fans available in 12VDC. Some have remote thermostats that are meant to be attached to a computer heatsink. I guees maybe something along that line would be available in 24V. There are also small fans available in 120V there just not as quiet.

I personally did not buy a EP model Behringer and was curious since I still may if the fan noise can be eliminated. I bought the A500's and run them bridged. They remain very cool after hours of continuous usage. If I ever needed, I do have a 120V three fan system that was meant to mount on a large server rack. It is mounted behind the lowest rack blowing upward to cool the stack. I use a regular ceiling fan dimmer to slow them down yet still keep the closet cool.
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post #14 of 206 Old 03-01-07, 09:56 PM
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Re: Quieter fan mod for Behringer EP2500

Just finish my fan replacement!
I used a LED from a car alarm, you can see is the same plug, just make sure to match the wires position not the colors, on my plugs the red was the ground and the black was the positive!!!!

Quieter Fan Mod for Behringer EP2500-img_3474.jpg

Quieter Fan Mod for Behringer EP2500-img_3471.jpg

Hey Chrisbee!! look at the shroud (or tunnel ) on my, and look at yours, this is the way it was before I removed the fan!!!
Quieter Fan Mod for Behringer EP2500-img_3470.jpg


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post #15 of 206 Old 03-01-07, 10:20 PM
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Re: Quieter fan mod for Behringer EP2500

Rodny, what fan did you use?

Jim
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post #16 of 206 Old 03-01-07, 10:29 PM
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Re: Quieter fan mod for Behringer EP2500



I'll bring my amp with me Saturday, sounds like you can knock that out fairly quickly.

So, how quiet is that fan?

Be sure to let everyone know what fan you ordered too (like Jim... ).
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post #17 of 206 Old 03-01-07, 11:04 PM
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Re: Quieter fan mod for Behringer EP2500

I order my from Digi-Key, part P9739-ND fan 24VDC 1.30W 80mm, $8.25 + shipping.
http://www.digikey.com/
It is real quiet!! like 75% less noisy.
Sonnie!! your fan has the plug, all we have to do is replace the fan.
I read on the IB cult the let the fan blow out not in, this way you can clean the filter from the front! the factory blows in, what do you guys think??

This is what I called the shroud or tunnel!!
Quieter Fan Mod for Behringer EP2500-slide1.jpg


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Last edited by Rodny Alvarez; 11-01-07 at 06:55 PM.
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post #18 of 206 Old 03-01-07, 11:25 PM
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Re: Quieter fan mod for Behringer EP2500

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Sonnie!! your fan has the plug, all we have to do is replace the fan.
What... did one come with the plug and one not come with it?
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post #19 of 206 Old 03-01-07, 11:46 PM
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Re: Quieter fan mod for Behringer EP2500

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What... did one come with the plug and one not come with it?
NO!! .... I had two plugs so I did yours!!


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post #20 of 206 Old 03-02-07, 09:28 AM
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Re: Quieter fan mod for Behringer EP2500

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I read on the IB cult the let the fan blow out not in, this way you can clean the filter from the front! the factory blows in, what do you guys think??
I would advise against it unless the front intake has a directive shroud identical to the rear one...

Also wonder if you saw this thread?

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