Amp for Dayton Ultimax 15 - Page 2 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #11 of 21 Old 03-20-14, 05:32 PM
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Re: Amp for Dayton Ultimax 15

Effect of HPF's on cone excursion.

Amp for Dayton Ultimax 15-cone-excursion.jpg




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post #12 of 21 Old 03-20-14, 05:56 PM Thread Starter
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Re: Amp for Dayton Ultimax 15

Quote:
Mike P. wrote: View Post
Green is the Bash 500 with a 17 hz HPF.
Yellow is a iNuke 1000DSP with a 20 hz HPF.

Attachment 47586
Thank you. Hmm I get a different picture when I use a 17Hz HPF and 20Hz HPF.. Did you simply apply the high pass filters 17Hz and 20Hz for both graphs?

Here is what i got:


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post #13 of 21 Old 03-20-14, 07:17 PM
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Re: Amp for Dayton Ultimax 15

I'm using 3 line thickness in my graphs and you are using one line thickness.




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post #14 of 21 Old 03-21-14, 09:18 PM
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Have you considered going sealed?

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post #15 of 21 Old 03-24-14, 08:42 AM Thread Starter
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Re: Amp for Dayton Ultimax 15

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Have you considered going sealed?

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I want to get really low and with the sealed i need to equilize a lot which will load the voice coil and it wouldnt sound that loud at 20Hz. But maybe i am wrong and am open for new designs, especially the cab would get small.

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post #16 of 21 Old 03-24-14, 09:12 AM
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I want to get really low and with the sealed i need to equilize a lot which will load the voice coil and it wouldnt sound that loud at 20Hz. But maybe i am wrong and am open for new designs, especially the cab would get small.
Keep in mind that your room is going to reinforce the low end. I have two UM-15's, each in sealed 20" x20" x20" cabinets, powered by one EP-4000 in stereo mode. I get +/-3dB down to about 8Hz (except for one crummy room null around 45Hz) in 2,200 cu ft room. Only EQ thus far is Audyssey MultiEQ XT32. I am not wanting for more bass and have only seen the red clip lights flicker, barely, on one very intense scene from Dark Knight Rises.

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post #17 of 21 Old 03-24-14, 09:23 AM Thread Starter
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Re: Amp for Dayton Ultimax 15

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Keep in mind that your room is going to reinforce the low end. I have two UM-15's, each in sealed 20" x20" x20" cabinets, powered by one EP-4000 in stereo mode. I get +/-3dB down to about 8Hz (except for one crummy room null around 45Hz) in 2,200 cu ft room. Only EQ thus far is Audyssey MultiEQ XT32. I am not wanting for more bass and have only seen the red clip lights flicker, barely, on one very intense scene from Dark Knight Rises.

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That is really really impresive low end. I guess in a larger room would get the low extension even better, right?
How much equilizing do you have, like at which frequencies you have set filters and with how much of dBs?

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RE AUDIO SE 10 F3-25Hz in 1.8cu ft
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post #18 of 21 Old 03-24-14, 11:03 AM
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Re: Amp for Dayton Ultimax 15

The new minidsp PWR-ICE 250 plate amplifier with built in DSP (including 6 band parametric EQ and fully adjustable crossovers down to 10hz high pass) also is an option, although it is more expensive than the iNuke or BASH 500.

(I tried to post a link to the amplifier but this is my first post so the forum wouldn't let me).
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post #19 of 21 Old 03-24-14, 01:29 PM
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Quote:
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That is really really impresive low end. I guess in a larger room would get the low extension even better, right?
How much equilizing do you have, like at which frequencies you have set filters and with how much of dBs?
Not sure what filters Audyssey has applied (no way to confirm) but I do not have any additional EQ, yet.

I'd expect larger room to have less room gain.

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post #20 of 21 Old 03-25-14, 04:59 AM Thread Starter
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Quote:
trevordj wrote: View Post
The new minidsp PWR-ICE 250 plate amplifier with built in DSP (including 6 band parametric EQ and fully adjustable crossovers down to 10hz high pass) also is an option, although it is more expensive than the iNuke or BASH 500.

(I tried to post a link to the amplifier but this is my first post so the forum wouldn't let me).
Welcome to the Forum ! Yes those amps seem to be very good amps. Nevertheless they are cheaper than their hypex equivalents.

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RE AUDIO SE 10 F3-25Hz in 1.8cu ft
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