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  Topic Review (Newest First)
02-19-13 02:55 PM
javi404
Re: Quieter Fan Mod for Behringer EP2500

I just did the mod on my EP4000.

http://www.avsforum.com/t/1447896/nu...-fan-mod-notes

It was a pain to upload pictures here so I posted it to AVSforum

It takes less than 10 min to do this mod if you order a 24v low RPM fan. not worth messing around with resisters and what not.
12-13-12 08:36 PM
pietsch288
Re: Quieter Fan Mod for Behringer EP2500

I push my 2500's very very hard.... they don't even get warm after 2 hours of black hawk down (and I can't even till there on), easily one of the best and least expensive mods I've ever done.
12-11-12 11:38 PM
zacjones
Re: Quieter Fan Mod for Behringer EP2500

I just ordered a pair of these http://www.digikey.com/product-detai...753-ND/2615566 for my pair of garage mounted EP4000's. My drivers are mounted IB right next to the amplifiers, and I could actually hear the stock fans through the paper cones up in the theater. The fans I selected seemed like the best compromise for high airflow and low noise with a bias towards high airflow for hot summers in the garage, rated at 30db and 41.3cfm -- 10db less noise and 12cfm less air movement. I guess I won't really find out until the dead of summer, but I think they'll hold up.
08-31-12 09:34 AM
expresso
Re: Quieter Fan Mod for Behringer EP2500

did you get a fan yet ? i got mines from Digi key - but i am using a GX5 amp - not sure if the fan size is the same - my fan was a 24V model which i belieave yours should be the same also - you need to find out the size - i think it should be similar - maybe 80 x 25 - and try to match up your CFM with a low DB noise -

search that website if you havnt already - My Part number is P9739-ND -- from Digi-Key - Manufactor part number is - FBA08A24L1A -- let me know if thats good for you -
08-31-12 06:19 AM
atledreier
Re: Quieter Fan Mod for Behringer EP2500

Quote:
pietsch288 wrote: View Post
seriously, I've been reading this thread for like an hour----can somebody just tell me what fan to buy?? My plan is to clip the wires of the old fan and mount new fan .....thanks rich
O ya one last thing if you guys think one ep2500 is loud, try listining to 2
I had a stack of six at one point. Measured 70dB noise at 1m....
02-11-12 08:43 PM
pietsch288
Re: Quieter Fan Mod for Behringer EP2500

I am running both of my 2500's @ 2ohms stereo, I think (hope) 28cfm will be fine. rich
02-11-12 09:18 AM
expresso
Re: Quieter Fan Mod for Behringer EP2500

http://search.digikey.com/scripts/Dk...9-nd&x=11&y=18

This is the Fan i am using on my GX5 - I put this one in from the very start - its over 3 years now and never had a issue - its running in 8ohm - i use it for HT and Music -

but remember - this is the QSC amp - different amps may require different air flow etc. -
02-11-12 09:15 AM
pietsch288
Re: Quieter Fan Mod for Behringer EP2500

All I was really worried about is the .25a compared to .07a but I ordered it anyway.
Its 28cfm @ 22db so I'm hoping that will be ok. thanks rich
02-11-12 02:05 AM
gperkins_1973
Re: Quieter Fan Mod for Behringer EP2500

I am running a 34 CFM rated 80mm 24v fan in my EP4000 with no problems but I am running 2 ohms stereo. I had a 19 CFM rated fan originally but the amp got hot very very quickly so I had to replace it. With 4 ohms running I guess you would be ok. The stock fan in a EP4000 is around 55 CFM which is really loud. You could start off lowish and if it doesn't work out then just buy one which has a higher rated CFM rating. It takes about 5 minutes to replace them.
02-10-12 10:05 PM
expresso
Re: Quieter Fan Mod for Behringer EP2500

i dont know what those numbers mean to be honest - i was referring to the size of the Fan itself

like a 80mm x 25mm etc. - if its a 24 volt fan - how much CFM it pushes and the loudness level in db's

thats how i matched my fan - i first made sure my new fan was 24 volt - same size so i can just swap it out - and just picked a lower db with the same amouth of CFM as the orginal or as close as you can -

my amp is very quiet now for HT use and pushes very similar amouth of CFM - never had a problem - over 3 years now -

if you can find someone with the same amp who did the swap and ask - i think there are many who done it with that amp -
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