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Showing results 1 to 25 of 1999
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Search: Posts Made By: derrickdj1
Forum: Subwoofers, Bass, and Transducers   05-22-2015, 03:48 PM
Replies: 44
Views: 861
Posted By derrickdj1
You will have to test one spot with each sub at...

You will have to test one spot with each sub at the same location and make sure both have spl set the same and auto correction done. I just jumped all in and brought six UM 18's. The UM's like the...
Forum: Subwoofers, Bass, and Transducers   05-22-2015, 03:36 PM
Replies: 2
Views: 40
Posted By derrickdj1
Why is the avr XO at 250 Hz?

Why is the avr XO at 250 Hz?
Forum: DIY Speakers and Subs   05-21-2015, 09:42 PM
Replies: 146
Views: 2,673
Posted By derrickdj1
Tom is a good guy and has participated in other...

Tom is a good guy and has participated in other GTG's. I am not sure if you want to take anything apart if he wants the speakers back. It is easy to scratch or chip an edge. It sound like you are...
Forum: Subwoofers, Bass, and Transducers   05-21-2015, 09:33 PM
Replies: 29
Views: 505
Posted By derrickdj1
Three subs are not that hard to integrate and...

Three subs are not that hard to integrate and will only help the room / sub FR. Actually Geddes recommends three sub to get a good FR.
Forum: Subwoofers, Bass, and Transducers   05-21-2015, 12:51 PM
Replies: 3,259
Views: 111,497
Posted By derrickdj1
Dom or anyone that can get the ULF card to work,...

Dom or anyone that can get the ULF card to work, I need to update my card. This is what I have.

Room Size 4,300 cu ft
Number of subs : 8
Six sealed subs with S.I. eq of 1.1 for a total of 6.6...
Forum: Subwoofers, Bass, and Transducers   05-21-2015, 12:03 PM
Replies: 29
Views: 505
Posted By derrickdj1
As Shady said you may need a third sub. ...

As Shady said you may need a third sub. Measurements and FR that slopes down gently from 20 or 30 Hz by 3-6 db to 100 should sound good for movies and music. The problem with raising the trim is...
Forum: Subwoofers, Bass, and Transducers   05-21-2015, 11:40 AM
Replies: 24
Views: 486
Posted By derrickdj1
To get the big Cinema feel, Klipsch sells a...

To get the big Cinema feel, Klipsch sells a Cinema line that will give the big sound stage and great bass. The Cinema subs are large and this is one place that maybe selecting your own subs may...
Forum: DIY Speakers and Subs   05-20-2015, 07:46 PM
Replies: 23
Views: 405
Posted By derrickdj1
The sub looks really great!

The sub looks really great!
Forum: Subwoofers, Bass, and Transducers   05-20-2015, 05:54 PM
Replies: 33
Views: 862
Posted By derrickdj1
MCACC should be used in conjunction with the...

MCACC should be used in conjunction with the MiniDSP. MCACC does a lot of things to get things right. Go to the MCACC thread on this forum.
Forum: Subwoofers, Bass, and Transducers   05-20-2015, 10:21 AM
Replies: 33
Views: 862
Posted By derrickdj1
That graph looks pretty good to me and should...

That graph looks pretty good to me and should sound good. No need to chase every little hump. Dose the MiniDSP have a Low Shelf filter. If It does, set it to LS 12 at 40 Hz and set the gain to +8...
Forum: DIY Speakers and Subs   05-19-2015, 08:49 PM
Replies: 93
Views: 2,381
Posted By derrickdj1
The UM 18 is excellent with music from my...

The UM 18 is excellent with music from my experience. Music sounds good with vented or sealed UM 18's.
Forum: Subwoofers, Bass, and Transducers   05-19-2015, 08:44 PM
Replies: 3,259
Views: 111,497
Posted By derrickdj1
It looks like the UM 18 came in around 25 mm of...

It looks like the UM 18 came in around 25 mm of Xmas on Database.com. This should help some ULF scores since I have eight, lol. I still can't get that calculator to work.
Forum: Subwoofers, Bass, and Transducers   05-19-2015, 03:54 PM
Replies: 10
Views: 547
Posted By derrickdj1
Usually not recommended but, use the xo on the...

Usually not recommended but, use the xo on the sub also. This will help cut out a few frequencies, I will have to pay attention the next time I watch a George Clooney movie. I don't get voices...
Forum: DIY Speakers and Subs   05-17-2015, 06:21 PM
Replies: 45
Views: 842
Posted By derrickdj1
That sub look gigantic with the lady sitting next...

That sub look gigantic with the lady sitting next to it. How high and wide is the full Marty?
Forum: DIY Speakers and Subs   05-17-2015, 10:31 AM
Replies: 35
Views: 972
Posted By derrickdj1
For most capable sub systems, XO at 60 or 40 Hz...

For most capable sub systems, XO at 60 or 40 Hz should not be much if any difference compared to 80 Hz. The XO point is meant to blend the mains with the sub, protect the driver and with most avr's...
Forum: Subwoofers, Bass, and Transducers   05-17-2015, 10:18 AM
Replies: 33
Views: 862
Posted By derrickdj1
MCACC will basically PEQ the sub to 63 Hz, time...

MCACC will basically PEQ the sub to 63 Hz, time align the system and correct standing waves in the room. MCACC also shoots for a flat response. Depending on room size, the OP may just need more...
Forum: DIY Speakers and Subs   05-15-2015, 07:31 PM
Replies: 35
Views: 972
Posted By derrickdj1
The only things that should happen with a sub is...

The only things that should happen with a sub is to pick up where the mains leave off. Some people want to run their mains full range and others will set them to small. There is always room to...
Forum: DIY Speakers and Subs   05-14-2015, 03:53 AM
Replies: 29
Views: 401
Posted By derrickdj1
I have 3 I Nuke 6000 DSP and 2 I Nuke 3000 DSP...

I have 3 I Nuke 6000 DSP and 2 I Nuke 3000 DSP amp. I did a quick change and head room seems OK. Still need to EQ down the top. Since the I Nukes have presets, I will have one for PEQ, LS house...
Forum: DIY Speakers and Subs   05-12-2015, 07:57 PM
Replies: 29
Views: 401
Posted By derrickdj1
Got ya! I can see where this will get me back up...

Got ya! I can see where this will get me back up in spl. It will be around a week before I can get this done with my schedule. I can intuitively see where this is going since I have played with...
Forum: DIY Speakers and Subs   05-12-2015, 05:50 PM
Replies: 29
Views: 401
Posted By derrickdj1
LTD02 I tried it and the output was less. I did...

LTD02 I tried it and the output was less. I did not add the 12 db. Where is that added? Twelve db is a lot and may will make a difference.:) I know the filters as a whole can be raised?
Forum: DIY Speakers and Subs   05-12-2015, 02:01 PM
Replies: 29
Views: 401
Posted By derrickdj1
Thanks LTD02. I have 8 of the UM 18's but, I...

Thanks LTD02. I have 8 of the UM 18's but, I would still appreciate adding some headroom. I will give it a try and report the results.:)
Forum: DIY Speakers and Subs   05-12-2015, 12:44 PM
Replies: 29
Views: 401
Posted By derrickdj1
LTD02 Please give analysis: PEQ filter 1 Q:...

LTD02 Please give analysis:
PEQ filter 1
Q: 0.67
Gain +7.5
at 20 Hz

Filter 3
Q: 10
Gain -15
at 32 Hz
Forum: DIY Speakers and Subs   05-12-2015, 10:29 AM
Replies: 29
Views: 401
Posted By derrickdj1
Depending on room size boosting the low end is...

Depending on room size boosting the low end is OK. I have always had to use a boost due to room size. I have the 20 HZ boost of 7.5 and no problems. It takes additional headroom but, I have enough...
Forum: DIY Speakers and Subs   05-12-2015, 09:09 AM
Replies: 29
Views: 401
Posted By derrickdj1
I Nuke DSP amps do have HS and LS filters.

I Nuke DSP amps do have HS and LS filters.
Forum: Subwoofers, Bass, and Transducers   05-12-2015, 09:03 AM
Replies: 3
Views: 89
Posted By derrickdj1
By placing a sub in a different location in the...

By placing a sub in a different location in the room, it's FR will be different. Even identical subs can be considered to be different subs dues to location in the room.
Showing results 1 to 25 of 1999

 
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