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Forum: DIY Speakers and Subs   12-17-2014, 08:19 AM
Replies: 35
Views: 729
Posted By michael hurd
This thread must have stemmed from BFM's comment...

This thread must have stemmed from BFM's comment that a THT with 20 volts will break a foundation...

I don't drink the koolaid. I have pulled drywall through the screws... broken bulbs etc. That's...
Forum: DIY Speakers and Subs   12-08-2014, 06:02 PM
Replies: 6
Views: 135
Posted By michael hurd
CE4000 any day, more power, PFC and reliability. ...

CE4000 any day, more power, PFC and reliability.

That Leviathan was, from what I was told by Deon Bearden, a normal 1808 with an added mass ring around the VC. If you wanted to step up a notch...
Forum: DIY Speakers and Subs   11-26-2014, 07:04 PM
Replies: 6
Views: 192
Posted By michael hurd
It depends where the absorption is placed, like...

It depends where the absorption is placed, like an on wall acoustic absorber, it works best spaced away from the wall. ( or in this place endcap )

One pillow spaced away from the endcap ( stuffed...
Forum: DIY Speakers and Subs   11-26-2014, 12:34 PM
Replies: 6
Views: 192
Posted By michael hurd
You can definitely hear an end to end resonance.

You can definitely hear an end to end resonance.
Forum: DIY Speakers and Subs   11-25-2014, 08:17 AM
Replies: 6
Views: 192
Posted By michael hurd
Well, that depends. If you don't do a thing about...

Well, that depends. If you don't do a thing about the resonance, it sounds terrible. By adding some absorption, you keep that from happening.

Keep in mind if the driver produces 46hz 2nd HD in...
Forum: DIY Speakers and Subs   11-22-2014, 02:19 PM
Replies: 67
Views: 4,739
Posted By michael hurd
I thought that was the determination of the...

I thought that was the determination of the marketing department, and not the T/S parameters or enclosure requirements.... ;)
Forum: DIY Speakers and Subs   10-27-2014, 06:50 PM
Replies: 446
Views: 17,588
Posted By michael hurd
The device under test was a full range speaker...

The device under test was a full range speaker with bass extension to 35 hz.

The nested sonotube was used by Adire.... think Wiggins called the subwoofer package Dharma IIRC.I don't recall if it...
Forum: DIY Speakers and Subs   10-22-2014, 07:36 PM
Replies: 33
Views: 811
Posted By michael hurd
It depends on how much power you are asking the...

It depends on how much power you are asking the system for. If you have very sensitive speakers, you may not use a ton of power. I have tripped a 15 amp breaker before with a PLXII3102 and a...
Forum: DIY Speakers and Subs   10-21-2014, 07:38 PM
Replies: 446
Views: 17,588
Posted By michael hurd
Without revealing too much, I can tell you that a...

Without revealing too much, I can tell you that a large company conducted their own port compression tests. Above 11 m/s port compression and tuning changes caused most listeners in a controlled...
Forum: DIY Speakers and Subs   09-04-2014, 09:33 AM
Replies: 135
Views: 5,095
Posted By michael hurd
;) Sweet.

;) Sweet.
Forum: DIY Speakers and Subs   08-10-2014, 08:41 PM
Replies: 21
Views: 520
Posted By michael hurd
Sweet!;)

Sweet!;)
Forum: DIY Speakers and Subs   07-31-2014, 08:42 PM
Replies: 441
Views: 10,183
Posted By michael hurd
First before anything else, I would want you to...

First before anything else, I would want you to acquire and learn to use a microphone and a measurement system. For $ 150ish ( or less depending on what you buy ) and a laptop you can learn a quite a...
Forum: Area Home Theater Meets   07-28-2014, 09:37 AM
Replies: 147
Views: 6,656
Posted By michael hurd
Noesis 215RT vs. Yorkville U215. Audio...

Noesis 215RT vs. Yorkville U215.

Audio memory being what it is, and the long time in between switching these out, they both have similar qualities. They both do things that I have heard very very...
Forum: DIY Speakers and Subs   07-28-2014, 05:37 AM
Replies: 441
Views: 10,183
Posted By michael hurd
This horn was designed around a pair of the...

This horn was designed around a pair of the SWR-12D2:

http://www.avsforum.com/forum/155-diy-speakers-subs/1414166-alpine-swr-12d2-tapped-horn-audio-memorial-bbq-get-together.html

Sketchup files...
Forum: Area Home Theater Meets   07-26-2014, 06:30 PM
Replies: 147
Views: 6,656
Posted By michael hurd
Did anyone investigate what fell and broke...

Did anyone investigate what fell and broke upstairs? :eek:

The back row of the room was the 'hot' seat with a lot more output vs. the front row. The JTR 215 were quite powerful even without any...
Forum: DIY Speakers and Subs   07-20-2014, 08:14 AM
Replies: 869
Views: 45,239
Posted By michael hurd
Literally took 15 seconds to pull up a 24" basket...

Literally took 15 seconds to pull up a 24" basket on alibaba....

http://www.alibaba.com/product-detail/24-inches-speaker-basket_1946402263.html

Beware, now everyone will be building them in...
Forum: DIY Speakers and Subs   07-13-2014, 10:57 PM
Replies: 49
Views: 2,621
Posted By michael hurd
I wouldn't mind making it, that's the first day...

I wouldn't mind making it, that's the first day of holidays for me. I could bring a QSC PLX 3602 or two if need be, or a DCX 2496. :)

This is actually one of the closest GTG's I have seen... still...
Forum: DIY Speakers and Subs   07-09-2014, 06:09 PM
Replies: 144
Views: 5,889
Posted By michael hurd
Okv gets a cookie and a couple of gold stars. ;-)

Okv gets a cookie and a couple of gold stars. ;-)
Forum: DIY Speakers and Subs   06-28-2014, 09:04 AM
Replies: 88
Views: 2,949
Posted By michael hurd
There is no way you are going to save half of...

There is no way you are going to save half of your gross income anywhere in Canada. 100k a year living in BC would be equivalent to making a lot less staying where you are.

Everything is more...
Forum: DIY Speakers and Subs   04-20-2014, 11:23 AM
Replies: 3
Views: 241
Posted By michael hurd
If you can't find it in Rona or other big box...

If you can't find it in Rona or other big box store, your best bet is a construction / industrial wholesaler... they usually sell it dirt cheap as well compared to the big box stores. IIRC, for a...
Forum: DIY Speakers and Subs   04-19-2014, 09:23 PM
Replies: 517
Views: 25,378
Posted By michael hurd
Ah, well then for what you want them for, they...

Ah, well then for what you want them for, they will work quite fine, I bought the charcoal... it's a bit sparkly when light hits it, but it's most likely a non-issue since you don't have any natural...
Forum: DIY Speakers and Subs   04-19-2014, 09:18 PM
Replies: 517
Views: 25,378
Posted By michael hurd
If the corner absorbers are the same foam as the...

If the corner absorbers are the same foam as the 4" thick stuff I bought from foam by mail about a decade ago... it's not very dense material at all. ( 4" wedge foam )
...
Forum: DIY Speakers and Subs   04-09-2014, 12:57 PM
Replies: 13
Views: 338
Posted By michael hurd
You can make your own cables, but generally it's...

You can make your own cables, but generally it's more economical to buy a ready made cable.
Forum: DIY Speakers and Subs   04-09-2014, 12:56 PM
Replies: 13
Views: 338
Posted By michael hurd
There will be no difference in signal/...

There will be no difference in signal/ http://files.avsforum.com/images/smilies/wink.gif
Forum: DIY Speakers and Subs   04-08-2014, 06:53 PM
Replies: 678
Views: 25,695
Posted By michael hurd
Quote:Originally Posted by...

Quote:Originally Posted by bossobass http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1501074/si-24z-build-8-of-em/630#post_24585317)

Quote:
Originally Posted by Shan87...
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