Got a hold (almost) of a BEHRINGER EP2500........but - AVS Forum
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post #1 of 38 Old 08-12-2006, 11:40 PM - Thread Starter
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Not sure what this "high-pass" filter is. It says it will damage my speakers/sub if I disable it. But it also says it'll cut off frequencies below 30hz!!! WTF?? I WANT those frequencies!!!!!!

In terms of LFE, size does matter!
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post #2 of 38 Old 08-12-2006, 11:52 PM
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That's because it's intended use is pro audio, and most pro audio gear doesn't extend much deeper than 30hz. Pay no mind to it, disable the high pass.
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post #3 of 38 Old 08-13-2006, 12:16 AM - Thread Starter
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Oh, so that's more for music and PA systems then??

Is it a suitable amp for dual LLT's?? It seems like a REALLY good deal in $$/watts......too good to be true? Would a BASH amp be better?

In terms of LFE, size does matter!
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post #4 of 38 Old 08-13-2006, 12:24 AM
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It is perfectly suitable for dual LLTs, and it happens to be a very popular amp for subs in general (DIY subs anyway).
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post #5 of 38 Old 08-13-2006, 11:31 AM
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i have one and its a great powerful sub amp........just make sure you set the dip switches correctly.

btw, the fan noise IS loud when the room is silent, but i dont notice it during movies.......theres a mod you can do to quiet down the fan
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post #6 of 38 Old 08-13-2006, 04:39 PM - Thread Starter
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btw, the fan noise IS loud when the room is silent, but i dont notice it during movies

Heh heh....hopefully the sound of dual LLT's will drown out any fans.......

Hey, got a picture of the back of the 2500?? You know, how you have it set up and everything?? If not, no worries man.

Thanks guys!

In terms of LFE, size does matter!
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post #7 of 38 Old 08-13-2006, 05:13 PM
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Remember the switches are marked "OFF" and "ON" wrong an the amp, use the manual, or one of the following.

If using input one it is LRRRRLLRRL to use either output 1 or 2
If using input two it is LRRLLLLRRL and use output 2 only.
Mono-bridged is input 1 at LRRLLRRRRL and use the mono output with channel 1 gain all the way up and channel 2 all the way down..
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post #8 of 38 Old 08-13-2006, 06:22 PM - Thread Starter
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Sweet! Thanks man!

I just downloaded the PDF manual as well and I am looking through it right now. Everything seems really basic! Very cool little amp eh?? I can see why its so popular.

What did you use to wire it up to your sub? Banana plugs? Not sure how they hook up.

In terms of LFE, size does matter!
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post #9 of 38 Old 08-13-2006, 06:49 PM
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Yep, Banana plugs after I removed the black plastic cover from the terminals and also the plugs in the end of them as well. Yeah, I agree....powerful, and cheap, amp. Gives my SS15 RLp fits!!
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post #10 of 38 Old 08-13-2006, 07:31 PM - Thread Starter
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Shoot, you're using it bridged for just ONE driver??? You must love CLEAN power dude.....

In terms of LFE, size does matter!
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post #11 of 38 Old 08-14-2006, 11:24 PM - Thread Starter
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So how do you hook up the 2500 to your receiver's LFE out??? There are no RCA jacks on the 2500 amp.

In terms of LFE, size does matter!
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post #12 of 38 Old 08-15-2006, 06:10 AM
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you need to run to Radio Shack and get a 1/4" mono to RCA jack adaptor
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post #13 of 38 Old 08-16-2006, 05:05 PM - Thread Starter
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From another thread......but

I just got my EP2500 today and was trying to hook up my sub to it to test it out. To make a long story short, I used a Radio Shack 1/4" mono to rca converter and then ran a cable from my sub out. Checked the wiring and turned off the high pass filter and still no sound... Any suggestions?

And a reply:

The ep2500 requires a 1.23V/4dBu input level. You might need a level booster like:

WTF??? I can't just hook up the LFE out on my receiver to the EP2500?? I need to boost the signal??

In terms of LFE, size does matter!
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post #14 of 38 Old 08-16-2006, 05:36 PM
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Sometimes you will need to boost the LFE output on the reciever. I had to turn my up a little with my sealed cabinet but turned it down again with a ported model.
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post #15 of 38 Old 08-16-2006, 09:32 PM
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WTF??? I can't just hook up the LFE out on my receiver to the EP2500?? I need to boost the signal??

You're mixing a pro-sound amp with a consumer receiver. Two different worlds. Some receivers have enough output drive voltage others don't. Sometimes a device known as a line level shifter is needed to match a piece of consumer gear with a piece of pro sound gear
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post #16 of 38 Old 08-16-2006, 10:20 PM - Thread Starter
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Then I guess the BASH plate amps are considered "pro-sound amps" and I can just hook them up directly? Might just go that way as I'm in Canada and they are pretty cheap up here. That sucks, that Behringer 2500 looks like an awesome unit for $299. I just want a simple setup, not tons of components sitting around... :-(

In terms of LFE, size does matter!
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post #17 of 38 Old 08-16-2006, 10:26 PM
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I don't think you can entirely disable the high pass filter in the Bash amps.
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post #18 of 38 Old 08-16-2006, 10:34 PM
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Odds are slim that you will need a signal booster. Do you plan on ever building a second sub? If not, a Carvin hd900 will give you 900 watts in bridged mono with a 1V sensitivity and much lower fan noise.

Wait a second - if you plan on using the Dayton 15" Hifi, you don't need or want anywhere near this much power - you only need 200-300 watts.
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post #19 of 38 Old 08-16-2006, 10:52 PM - Thread Starter
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Yeah, that was the plan Steve, to power TWO Dayton 15"-ers (LLT's) with this EP2500. I figured 750W per driver was good to go! Nice CLEAN power, no clipping all that jazz. But I don't really want to have to buy ANOTHER component just to get my LFE signal out of my receiver. Blah..

In terms of LFE, size does matter!
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post #20 of 38 Old 08-16-2006, 11:01 PM
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Quote:
Originally Posted by Favelle View Post

Yeah, that was the plan Steve, to power TWO Dayton 15"-ers (LLT's) with this EP2500. I figured 750W per driver was good to go! Nice CLEAN power, no clipping all that jazz. But I don't really want to have to buy ANOTHER component just to get my LFE signal out of my receiver. Blah..

Then just pick up this.
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post #21 of 38 Old 08-16-2006, 11:57 PM - Thread Starter
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230W though??? Is that enough? I was hoping for at least 500W per sub.

In terms of LFE, size does matter!
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post #22 of 38 Old 08-17-2006, 12:35 AM - Thread Starter
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Ok, so say you use the Ep2500 and you need to boost the LFE signal. So I buy this product from PE: http://www.partsexpress.com/pe/showd...number=245-868

Now it has TWO inputs for each channel. But if I split the LFE signal from my receiver with an RCA Y-splitter, I only have ONE connection for each channel in the converter. So my question is, does this converter require TWO RCA's for EACH sub?? Because then I'd have to plsit my LFE yet again, and that's not really desireable, is it?

In terms of LFE, size does matter!
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post #23 of 38 Old 08-17-2006, 06:01 AM
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No offense intended, but what part of needing 200-300 watts is confusing? 750 watts only puts you at risk of damaging the driver, as it will exceed overexcursion with ~250 watts in the design you are considering.
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post #24 of 38 Old 08-17-2006, 10:54 AM - Thread Starter
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No offense intended, but what part of needing 200-300 watts is confusing?

Does it not leave me future-proof when 18" drivers are more readily available and maybe I want to upgrade? I don't have to use the full 750W, but isn't under-using an amp better than straining one constantly?

In terms of LFE, size does matter!
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post #25 of 38 Old 08-17-2006, 10:59 AM
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Like Steve said, there would be a much higher risk of you damaging the driver. Why not save some $$$ now, and later when you want to upgrade, you shouldn't have much trouble selling your parts for a small loss.
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post #26 of 38 Old 08-17-2006, 11:01 AM
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Amplifiers don't damage drivers, people with trigger happy - volume control - damages drivers.




















/joke



The storm was gone, but dark clouds still hung around
The perfect setting for things to come......

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post #27 of 38 Old 08-17-2006, 11:33 AM
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Quote:


Does it not leave me future-proof when 18" drivers are more readily available and maybe I want to upgrade?

How much of a hurry are you in to build a sub now? In my opinion, and perhaps its just mine, the chosen amp should be considered a part of the design, so if you plan on going with a totally different design later on, odds are that you would be better off going with a different amp. However, dual HiFi 15 LLTs won't be a slouch, and even if 18" drivers become available, you'd be hard pressed to beat the performance/dollar ratio of a pair of these subs.

One note, as Thomas mentioned it recently and I think it may have went unnoticed. The HiFi15 was basically assumed to be suitable for downfiring - after doing the calculations, cone sag will be slightly more than what is typically the allowable limit, basically 5.5% when 5% is the typical allowance. I don't know how this might affect your plans.
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post #28 of 38 Old 08-17-2006, 11:37 AM
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Yeah, I forgot to mention that bit about the possible downfiring issue.

Well, he could always lay the Sonosubs on their side....
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post #29 of 38 Old 08-17-2006, 05:11 PM - Thread Starter
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you'd be hard pressed to beat the performance/dollar ratio of a pair of these subs.

That's probably it right there. I mean, the performance upgrade for money spent is going to be really insignificant unless I spend GOBS of money, which is defeating one of the many reasons for a DIY sub.

There is a place up here (Canada) that sells the EP1500, so like willd saidm I'll probably just go with that and HOPE that my receiver puts out a high enough voltage to not require a balance-box.

In terms of LFE, size does matter!
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post #30 of 38 Old 08-17-2006, 05:16 PM - Thread Starter
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If the HiFi sags, then does the High Output model sag as well??

This one:

http://www.partsexpress.com/pe/pshow...number=295-469

In terms of LFE, size does matter!
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