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EP 500 vs 350
#214690 07/09/08 12:04 AM
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hey folks...been a while.

I picked up a EP500 as part of my home theatre package last year and for the most part have been enjoying my Axiom speakers immensely. EXCEPT the sub...it's just too much. When I turn it up just barely above the minimum my walls/windows start to rattle and shake...young babies 3 doors down start to cry...dogs bark -- you get the idea.

I'm thinking of trading it in for a EP350 & am looking for opinions on the idea. I'm also going to get a set of M80s and possibly a W150 (already have M50s, QS8s and a VP150). Receiver is a Denon 3808ci, my new family room is 17x13x8 and we like to listen to classic rock REALLY REALLY loud at times.

appreciate any ideas you all might have!

Re: EP 500 vs 350
JimLogan #214691 07/09/08 12:09 AM
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Jim, I wonder if something is not right with it. No matter how big a sub is you should be able to adjust it to the room. My first HT set up was in a 10x10 room and I had a Hsu VTF3 MkII in it, but was able to dial it down so it never overpowered everything.

Is the gain set too high in the receiver?


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Re: EP 500 vs 350
St_PatGuy #214696 07/09/08 12:28 AM
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I spent many many hours tweaking the sub/receiver and it's still overpowering when we listen to music. For movie and general TV viewing it's okay.

Unfortunately I have no leeway in the placement of the sub (it has to go THERE!) and that may be compounding the problem.

Re: EP 500 vs 350
JimLogan #214697 07/09/08 12:32 AM
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Sub placement may be an issue. Big subs like the EP500 are difficult to tuck away some where.

How 'bout listening to music without the sub?

Just trying to throw out suggestions.


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Re: EP 500 vs 350
St_PatGuy #214701 07/09/08 01:04 AM
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Have you calibrated your system with a SPL meter and test disk. If you can’t get the sub to calibrate with your mains so that the SPL stays reasonably close then you could have a problem with the subs volume control or room acoustics. If the volume control seems to work and your sub is calibrated and you still have the same problem because of spikes on certain frequencies the room is likely the issue. Even if you can’t permanently move the sub you might want to move it temporarily and check the sound. If the problem goes away then the placement is defiantly the culprit. In this case I don’t see how changing subs will help unless the offending frequency is very low >25 hz where the EP500 reaches more powerfully than the EP350. Room treatments might help dampen this down a bit. Blocking the subs port may also dampen the offending frequency. Also remember that the sub can go behind you (where mine is) or even by the couch as an end table if you have the room for either.

Just a few more suggestions,
Dean


3M80 2M22 6QS8 2M2 1EP500 Sony BDP-S590 Panny-7000 Onkyo-3007 Carada-134 Xbox Buttkicker AS-EQ1
Re: EP 500 vs 350
JimLogan #214707 07/09/08 01:46 AM
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Jim, as the previous replies have indicated, any sub can be calibrated so that it doesn't overwhelm the other speakers. Your 3808 should be able to automatically calibrate the levels very well, or alternatively you can do it manually with the aid of a separate external SPL meter or(last choice)by ear. If you turn both the level control on the sub and the sub output on the 3808 down low, the level of the sub simply has to be low. One point that's also helpful is to adjust the trim control on the EP500 to half or even full, which may give a better balance in your size room if it happens to be set "flat" now.


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Enjoy the music, not the equipment.


Re: EP 500 vs 350
JohnK #214718 07/09/08 04:15 AM
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All this advice is good, but I wouldn't totally rule out the possibility of a faulty volume knob. I remember helping Tharkun calibrate his dual EP600s and one of then had a very touchy volume knob. The slightest nudge would move if from too quiet to too loud.

Re: EP 500 vs 350
pmbuko #214727 07/09/08 04:50 AM
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I would point out that if it's a placement issue because of the size, the EP350 is in the exact same cabinet.


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Re: EP 500 vs 350
Ken.C #214737 07/09/08 12:13 PM
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maybe he needs and ep400?


-David
Re: EP 500 vs 350
terzaghi #214750 07/09/08 02:55 PM
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I am one of those insane people that has FOUR subs, including (two) EP 500's in a room 28' x 12'. Of course I started out with two subs a few years ago and added the EP 500s a short time ago.
I did this to smooth out some room anomalies but not necessarily to add more SPL. Like Jim Logan, I was very limited to my placement options as well, but once I did my volume AND LFE balancing and made sure phase was in order everything turned out fine and it is not overpowering despite the power available to me.

I have found there are a couple of options out there to improve subwoofer sound, one expensive and one not. The ideal is a Velodyne SMS-1 digital drive equalizer system (which I have) although not perfect, gives you considerable flexibility in your subwoofer set-up options that you don't have by itself. Unfortunately, it is $600 bucks. The other option is a GRAMMA platform which is primarily used for large musical instrument speaker cabinets to get them off the floor in not so good acoustic environments. It is made by Auralex Acoustics and is available in a lot of musical instrument stores for between $50-60 dollars. Depending on whether the sub is on a bare floor or carpet, it helps take away some of the boominess. The EP500
tends to be a more linear sub than most, so the problems that are being discussed really should be correctable one way or another.

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