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Forum: Subwoofers, Bass, and Transducers   05-22-2017, 08:58 PM
Replies: 4
Views: 105
Posted By derrickdj1
If the room is larger than 2000 cu ft. go vented....

If the room is larger than 2000 cu ft. go vented. No real advantage of sealed subs in a large room unless you have 4-8 of them. A sealed will have a 10 db advantage from 15 - 30 Hz.
Forum: DIY Speakers and Subs   05-22-2017, 06:56 PM
Replies: 18
Views: 308
Posted By derrickdj1
The question is, how does tearing up things sit...

The question is, how does tearing up things sit with the wife, lol. I have broke a few and felt the wrath.:mad:
Forum: Subwoofers, Bass, and Transducers   05-21-2017, 03:28 PM
Replies: 15
Views: 214
Posted By derrickdj1
There is no type of auto EQ for the system? That...

There is no type of auto EQ for the system? That is usual for an 11.2 preamp.
Forum: Subwoofers, Bass, and Transducers   05-21-2017, 03:21 PM
Replies: 61
Views: 1,163
Posted By derrickdj1
Wink 29 subwoofer! Nothing exceeds like excess,...

29 subwoofer! Nothing exceeds like excess, lol.:eek::)
Forum: DIY Speakers and Subs   05-20-2017, 08:23 PM
Replies: 18
Views: 450
Posted By derrickdj1
I don't think leaving it on is a problem. It...

I don't think leaving it on is a problem. It will not run up the electric bill. I have a couple of subs with plate amp that I have left on(not the auto on feature) for about 7 years. The only...
Forum: DIY Speakers and Subs   05-20-2017, 08:17 PM
Replies: 4,095
Views: 232,582
Posted By derrickdj1
You need an adapter for the end going to the...

You need an adapter for the end going to the amp.INPUTS route line-level input signals into these combination jacks using XLR, balanced ¼" TRS, or unbalanced ¼" TS connectors.
Forum: DIY Speakers and Subs   05-20-2017, 10:44 AM
Replies: 11
Views: 247
Posted By derrickdj1
MCACC can show the reverse phase message. Most...

MCACC can show the reverse phase message. Most of the time it will occur when using dipole speakers. Just play some type of tone of your choice in stereo. If the woofers are moving in sync,...
Forum: Subwoofers, Bass, and Transducers   05-20-2017, 12:03 AM
Replies: 61
Views: 1,163
Posted By derrickdj1
The sub was good. The cause was the person with...

The sub was good. The cause was the person with the controls, lol. You live and learn valuable lesson along the path of audio nivana.:)
Forum: Subwoofers, Bass, and Transducers   05-19-2017, 09:51 AM
Replies: 4,987
Views: 161,042
Posted By derrickdj1
My main point was some energy is being lost from...

My main point was some energy is being lost from the seat between the coupling of the couch and riser. Isolation feet and keeping the couch in solid contact with the riser is of benefit. There are...
Forum: DIY Speakers and Subs   05-18-2017, 08:56 PM
Replies: 4
Views: 125
Posted By derrickdj1
Yes, add another of the same.. Consider tactile...

Yes, add another of the same.. Consider tactile transducer for the other row of seats. Just a suggestion. The goal of the HT is to have everyone get a similar experience.
Forum: Subwoofers, Bass, and Transducers   05-18-2017, 07:09 PM
Replies: 4,987
Views: 161,042
Posted By derrickdj1
This is a maybe but, a heavier couch may adhere...

This is a maybe but, a heavier couch may adhere to the rise. The same fore will be transmitted. The couch will shake a bit less but, sence energy does not disappear, it has to go somewhere, the...
Forum: DIY Speakers and Subs   05-18-2017, 10:08 AM
Replies: 4
Views: 125
Posted By derrickdj1
In general different types of subs can...

In general different types of subs can successfully be used in the same room without a lot of problems. In this case, putting a sealed right next to a vented one may not integrate well. I would...
Forum: DIY Speakers and Subs   05-17-2017, 04:02 PM
Replies: 20
Views: 390
Posted By derrickdj1
Any of the drivers mention will be fine for...

Any of the drivers mention will be fine for music. There is no need for a dual driver box. A dual driver box will net around 3 db more spl.
Forum: Subwoofers, Bass, and Transducers   05-16-2017, 06:57 PM
Replies: 4,987
Views: 161,042
Posted By derrickdj1
Coolrda hit on the snappier sound and crisp...

Coolrda hit on the snappier sound and crisp explosion theme. It is ture that to much ULF can take to much of this away. I have always wonder is the interest in MBM have anything to do with to much...
Forum: Subwoofers, Bass, and Transducers   05-16-2017, 06:51 PM
Replies: 157
Views: 1,516
Posted By derrickdj1
I would find a way to mount a large board to the...

I would find a way to mount a large board to the metal frame about 2 ft. wide or the width of the frame. Drill some holes in the board and use large zip ties to secure it tightly to the frame. That...
Forum: Subwoofers, Bass, and Transducers   05-16-2017, 05:41 PM
Replies: 157
Views: 1,516
Posted By derrickdj1
Try to mount a large wood board to the frame on...

Try to mount a large wood board to the frame on each side. Put the board toward the rear of the couch/seat. It looks like the couch is good for 2 seats? Two shakers per seat.
Forum: Subwoofers, Bass, and Transducers   05-16-2017, 05:32 PM
Replies: 4,987
Views: 161,042
Posted By derrickdj1
"I'm making some changes to mine right now and...

"I'm making some changes to mine right now and one thing I've noticed is that as I remove subs, dynamics improve. Attack is snappier. Quality over quantity? Maybe. We chase something so far and then...
Forum: DIY Speakers and Subs   05-15-2017, 07:30 PM
Replies: 13
Views: 347
Posted By derrickdj1
I think the UM 18 in the 4 cu ft. flat pack is...

I think the UM 18 in the 4 cu ft. flat pack is excellent. I have used them for music and movies for over a year. I have also used the UM 18 in 6 cf, 9 cf 11, 12 and 17 cf boxes. The SQ to my ears...
Forum: DIY Speakers and Subs   05-13-2017, 10:00 PM
Replies: 30
Views: 912
Posted By derrickdj1
I would not change soft dome drivers if you...

I would not change soft dome drivers if you already have them. Compression drivers would lead to increased efficiency and maybe more controlled directivity. But, the room is not large and these may...
Forum: DIY Speakers and Subs   05-13-2017, 09:47 PM
Replies: 17
Views: 307
Posted By derrickdj1
I am a member of the Klipsch fourm. A lot of our...

I am a member of the Klipsch fourm. A lot of our 2 ch purist like to get rid of the passive XO and use an electronic XO. This allows for a lower watt amp to handle the mid/Hi driver and a beefier...
Forum: Subwoofers, Bass, and Transducers   05-13-2017, 08:33 PM
Replies: 881
Views: 61,598
Posted By derrickdj1
Get an external amp like the I Nuke 3000 DSP.

Get an external amp like the I Nuke 3000 DSP.
Forum: Subwoofers, Bass, and Transducers   05-13-2017, 09:59 AM
Replies: 2,777
Views: 464,170
Posted By derrickdj1
TT's can be equalized. But, the problem remain...

TT's can be equalized. But, the problem remain in the low bass. This is where the power is getting eaten up. knocking down some higher frequencies does not make up for what the low frequencies are...
Forum: DIY Speakers and Subs   05-12-2017, 09:54 PM
Replies: 40
Views: 906
Posted By derrickdj1
I'm glad I jumped off the fan mod wagon a long...

I'm glad I jumped off the fan mod wagon a long time ago. I have 7 I Nuke amp and only a couple needed a fan mod. I am not against the fan but, all the I Nukes don't need them. Sometimes the enemy...
Forum: DIY Speakers and Subs   05-12-2017, 09:50 PM
Replies: 17
Views: 307
Posted By derrickdj1
Having that type of control sounds exciting and...

Having that type of control sounds exciting and also overly complicated. For me, I have to keep some of this stuff simple and litmit basic setup to only a couple of hours if that. I've come to rely...
Forum: Subwoofers, Bass, and Transducers   05-12-2017, 05:53 PM
Replies: 4
Views: 87
Posted By derrickdj1
The I Nuke should be fine and provide enough...

The I Nuke should be fine and provide enough power. Under the 1st tab check the watts and ohm level. A good start is 800 watts at 4 ohms. Check to see if the wiring on the speakon is correct for...
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