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Search: Keyword(s): ; Posts Made By: nograveconcern
Forum: DIY Speakers and Subs   01-06-2016, 11:50 AM
Replies: 412
Views: 24,385
Posted By nograveconcern
Not for the squeamish. ...

Not for the squeamish.

https://www.youtube.com/watch?v=oezp-_DcUgg
Forum: DIY Speakers and Subs   12-23-2015, 06:58 AM
Replies: 733
Views: 36,143
Posted By nograveconcern
Those came out great! I like the softer finish.

Those came out great! I like the softer finish.
Forum: DIY Speakers and Subs   12-01-2015, 06:25 PM
Replies: 13
Views: 319
Posted By nograveconcern
That's pretty rough. You could pack all the seams...

That's pretty rough. You could pack all the seams full of PL premium and let dry. Then scrape off the excess with a chisel. Or start over. ;)
Forum: DIY Speakers and Subs   11-18-2015, 11:05 AM
Replies: 54
Views: 1,217
Posted By nograveconcern
Right, just clarifying.

Right, just clarifying.
Forum: DIY Speakers and Subs   11-18-2015, 11:03 AM
Replies: 46
Views: 1,125
Posted By nograveconcern
50Hz is too low. Tune of Fusion 8s is 60, f3 is...

50Hz is too low. Tune of Fusion 8s is 60, f3 is 65. I would say 80hz min x-over but 100hz would be better.

L&R shouldn't be measured together. Measure 1 or the other.

I understand you have...
Forum: DIY Speakers and Subs   11-18-2015, 06:44 AM
Replies: 27
Views: 560
Posted By nograveconcern
I just use a cheap 25w Weller like this one,...

I just use a cheap 25w Weller like this one, except mine doesn't have a built in light....
Forum: DIY Speakers and Subs   11-18-2015, 06:36 AM
Replies: 54
Views: 1,217
Posted By nograveconcern
Not to pick on you personally, :wink: but...

Not to pick on you personally, :wink: but remember that reaching xmech with that power takes a single frequency sine wave. With program content you are highly unlikely to reach xmech with twice the...
Forum: DIY Speakers and Subs   11-18-2015, 06:27 AM
Replies: 27
Views: 560
Posted By nograveconcern
I solder mine. My opinion is that there is no...

I solder mine. My opinion is that there is no excuse for those crimp electrical connections in an installation that vibrates and resonates.

If you want to seal around one of the panel mount...
Forum: DIY Speakers and Subs   11-18-2015, 06:10 AM
Replies: 46
Views: 1,125
Posted By nograveconcern
They both appear to be in a bad location as they...

They both appear to be in a bad location as they both have a peak at 150hz and a cavern at 100hz. They need to be moved around until that flattens out, then crossed over at 80-100hz to subs. The...
Forum: DIY Speakers and Subs   11-04-2015, 07:11 AM
Replies: 146
Views: 25,600
Posted By nograveconcern
Double check your wiring to make sure you don't...

Double check your wiring to make sure you don't have phase flipped somewhere.

I found a delay difference between subs in the room to not be necessary, however adding a few ms of delay to both...
Forum: Speakers   10-30-2015, 07:03 AM
Replies: 39
Views: 1,587
Posted By nograveconcern
If you are using PLIIz just raise your wides to...

If you are using PLIIz just raise your wides to the ceiling and give it a shot. I really like PLIIz better as a wide/height than a height directly over the L&R.
Forum: DIY Speakers and Subs   10-30-2015, 06:57 AM
Replies: 146
Views: 25,600
Posted By nograveconcern
You can make changes, test, make more changes,...

You can make changes, test, make more changes, test, rinse and repeat without saving. The changes take immediate effect as soon as you press Enter or click off the control. You don't have to save and...
Forum: DIY Speakers and Subs   10-29-2015, 06:21 AM
Replies: 146
Views: 25,600
Posted By nograveconcern
Text box, drop down list, dial, etc. Those are...

Text box, drop down list, dial, etc. Those are controls in the software.
Forum: DIY Speakers and Subs   09-25-2015, 02:48 PM
Replies: 75
Views: 4,254
Posted By nograveconcern
Did some more work integrating the max's with the...

Did some more work integrating the max's with the subs. I though this was telling of how far my setup has come in the past 3 years:...
Forum: DIY Speakers and Subs   09-25-2015, 06:07 AM
Replies: 733
Views: 36,143
Posted By nograveconcern
Nice Yoda. I think you will get some extra...

Nice Yoda.

I think you will get some extra edge diffraction with any grill frame. Rounding the edges helps to reduce the magnitude of the effect. Someone correct me if I'm wrong.
Forum: DIY Speakers and Subs   09-24-2015, 05:14 AM
Replies: 38
Views: 1,193
Posted By nograveconcern
Plate amps generally have a built in high-pass....

Plate amps generally have a built in high-pass. If you want a full bandwidth sealed setup then plate amps are not the way to go. For ported they work great as long as you know the HP frequency and...
Forum: DIY Speakers and Subs   09-24-2015, 05:04 AM
Replies: 83
Views: 1,382
Posted By nograveconcern
Chest impact happens above 100hz. Floor shaking...

Chest impact happens above 100hz. Floor shaking and room pressurization are from energizing the entire room.

The one I would think you might get is pants flapping since you are using a nearfield...
Forum: DIY Speakers and Subs   09-22-2015, 06:25 AM
Replies: 43
Views: 953
Posted By nograveconcern
I do that in screw holes that have lost their...

I do that in screw holes that have lost their bite. Guitar strap buttons and whatnot. Just use cheap cyanoacrylate from harbor freight.
Forum: DIY Speakers and Subs   09-21-2015, 01:28 PM
Replies: 83
Views: 1,382
Posted By nograveconcern
It will be a dip in the combined response of your...

It will be a dip in the combined response of your mains + LFE. I'm not saying this is good or bad, only that it is the result you should expect.
Forum: DIY Speakers and Subs   09-21-2015, 01:11 PM
Replies: 83
Views: 1,382
Posted By nograveconcern
If you set it to 0 you would lose all of the LFE...

If you set it to 0 you would lose all of the LFE effects and all of the content below the crossover frequency for the main channels.

Here is the post in question. It says the same thing I'm...
Forum: DIY Speakers and Subs   09-21-2015, 01:05 PM
Replies: 83
Views: 1,382
Posted By nograveconcern
No, it has been explained several times already....

No, it has been explained several times already. For movie content the LFE ch is a separate, discrete content stream. If you change the LPF on LFE to 40hz you will have a "hole" or dip in response...
Forum: DIY Speakers and Subs   09-21-2015, 12:41 PM
Replies: 83
Views: 1,382
Posted By nograveconcern
From your new crossover frequency to 120 Hz. ...

From your new crossover frequency to 120 Hz.




For stereo content I believe this is the case as there is no .1 or .2 in stereo.

However, for Movies the .1 or .2 channel is it's own...
Forum: DIY Speakers and Subs   09-21-2015, 12:28 PM
Replies: 83
Views: 1,382
Posted By nograveconcern
And the answer to that question is YES. ...

And the answer to that question is YES.



I'm not sure, but we may not be talking about the same thing when we say "hole in frequency response." If you alter the LP of the LFE, then the content...
Forum: DIY Speakers and Subs   09-21-2015, 12:12 PM
Replies: 83
Views: 1,382
Posted By nograveconcern
Yes, and yes it does result in a "hole," or at...

Yes, and yes it does result in a "hole," or at least a measurable reduction in output within the band between the new LFE low pass frequency and 120hz.

Chris Kyriakakis of Audyssey:
"There is no...
Forum: DIY Speakers and Subs   09-21-2015, 10:48 AM
Replies: 83
Views: 1,382
Posted By nograveconcern
...but the LFE program content that you lost by...

...but the LFE program content that you lost by adjusting the LP [on the LFE channel] lower is not matrixed back into the full range L&R channels. If you LP the full range that content is matrixed...
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