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Search: Keyword(s): ; Posts Made By: Bill Fitzmaurice
Forum: Subwoofers, Bass, and Transducers   07-24-2016, 01:42 PM
Replies: 5
Views: 62
Posted By Bill Fitzmaurice
You are. The radiation pattern from a sub, both...

You are. The radiation pattern from a sub, both the cone and port, is omni-directional. The difference heard at various listening positions is caused by the different distance relationships between...
Forum: DIY Speakers and Subs   07-24-2016, 07:53 AM
Replies: 3
Views: 162
Posted By Bill Fitzmaurice
Insane is the correct term. Visually impressive...

Insane is the correct term. Visually impressive if you have no clue as to how loudspeakers work, and clearly whoever put that monstrosity together doesn't. :(
Forum: Speakers   07-24-2016, 06:39 AM
Replies: 13
Views: 231
Posted By Bill Fitzmaurice
Of those three, the Polk. Two woofers are better...

Of those three, the Polk. Two woofers are better than one.
Forum: DIY Speakers and Subs   07-24-2016, 06:30 AM
Replies: 222
Views: 4,240
Posted By Bill Fitzmaurice
That admission places you on the preferred end of...

That admission places you on the preferred end of the Dunning-Kruger effect scale. :)
Or, as Dirty Harry would say:
https://www.youtube.com/watch?v=_VrFV5r8cs0
Forum: Audio Theory, Setup, and Chat   07-24-2016, 06:09 AM
Replies: 8
Views: 140
Posted By Bill Fitzmaurice
That's where your sub woofers should be handling...

That's where your sub woofers should be handling the load, not your mains.
Forum: Subwoofers, Bass, and Transducers   07-23-2016, 07:31 PM
Replies: 6
Views: 138
Posted By Bill Fitzmaurice
I'd say it's more of a program material issue,...

I'd say it's more of a program material issue, especially if it happens with the same source. Engineers are getting more and more bass happy, which means if you're going to keep up with the bass wars...
Forum: Speakers   07-23-2016, 12:56 PM
Replies: 33
Views: 389
Posted By Bill Fitzmaurice
Or to another piece in the system that has a...

Or to another piece in the system that has a three wire cord and a ground screw on the chassis. The downside is that it might result in a ground loop, but you'll only know by trying it.
Forum: DIY Speakers and Subs   07-23-2016, 12:28 PM
Replies: 222
Views: 4,240
Posted By Bill Fitzmaurice
I guess that makes you the Donald Trump of...

I guess that makes you the Donald Trump of loudspeaker technology. :D
Forum: DIY Speakers and Subs   07-23-2016, 05:52 AM
Replies: 8
Views: 135
Posted By Bill Fitzmaurice
If it's very smooth then you don't need to sand....

If it's very smooth then you don't need to sand. Typically when painting a car you specifically do not want to sand the color coat, as the clear coat will adhere better if it's not sanded. But that...
Forum: Speakers   07-23-2016, 05:42 AM
Replies: 32
Views: 774
Posted By Bill Fitzmaurice
True, unless you count politics as an industry. :)

True, unless you count politics as an industry. :)
Forum: DIY Speakers and Subs   07-22-2016, 07:08 PM
Replies: 222
Views: 4,240
Posted By Bill Fitzmaurice
I use angle braces where you can't use panel to...

I use angle braces where you can't use panel to panel braces, like where the driver would get in the way. I also use them where they can do double duty, as corner located ports. In a structural...
Forum: DIY Speakers and Subs   07-22-2016, 01:55 PM
Replies: 222
Views: 4,240
Posted By Bill Fitzmaurice
And yet only a few months ago you stated that...

And yet only a few months ago you stated that this was the best way to brace a cab:
http://i.imgur.com/tClPplll.png
Has your understanding of how speakers work and how to build them expanded all...
Forum: Subwoofers, Bass, and Transducers   07-22-2016, 11:54 AM
Replies: 18
Views: 193
Posted By Bill Fitzmaurice
Unless they happen to be in an automobile there's...

Unless they happen to be in an automobile there's no such thing as 'fast' and 'slow' subwoofers. :rolleyes:
Forum: Subwoofers, Bass, and Transducers   07-22-2016, 10:16 AM
Replies: 2
Views: 52
Posted By Bill Fitzmaurice
Technically yes, but you still have to software...

Technically yes, but you still have to software model the cab, using the specs of the passive radiator to get the result.
Forum: Subwoofers, Bass, and Transducers   07-22-2016, 10:12 AM
Replies: 6
Views: 138
Posted By Bill Fitzmaurice
That's typical of both driver over-excursion and...

That's typical of both driver over-excursion and amplifier clipping.
Forum: DIY Speakers and Subs   07-22-2016, 05:07 AM
Replies: 222
Views: 4,240
Posted By Bill Fitzmaurice
Experience tells me what works. :) After you...

Experience tells me what works. :)
After you have designed, built and tested your first hundred speakers we can compare notes.
Forum: Speakers   07-21-2016, 02:47 PM
Replies: 32
Views: 774
Posted By Bill Fitzmaurice
The main issue is that most high priced speakers...

The main issue is that most high priced speakers don't perform up to their price points. :mad:
Forum: DIY Speakers and Subs   07-21-2016, 05:30 AM
Replies: 222
Views: 4,240
Posted By Bill Fitzmaurice
The reason why that scheme is less than optimal...

The reason why that scheme is less than optimal is clear: the braces themselves will flex. When the braces are perpendicular to the panels they can't flex.
Or what experience has proven to work.
Forum: Speakers   07-21-2016, 05:19 AM
Replies: 33
Views: 389
Posted By Bill Fitzmaurice
True. But as you noted corruption of the digital...

True. But as you noted corruption of the digital stream by an analog RF signal isn't going to manifest itself as audio. Something else in the signal chain is performing as a radio receiver. Since...
Forum: Speakers   07-20-2016, 07:22 PM
Replies: 94
Views: 2,327
Posted By Bill Fitzmaurice
They're Litz wire, which has its benefits at...

They're Litz wire, which has its benefits at radio frequencies, but not at audio frequencies. Required reading:...
Forum: Speakers   07-20-2016, 07:16 PM
Replies: 27
Views: 7,829
Posted By Bill Fitzmaurice
Considering this thread is seven years old I...

Considering this thread is seven years old I suspect the OP has sorted it out already.
Forum: Speakers   07-20-2016, 07:13 PM
Replies: 33
Views: 389
Posted By Bill Fitzmaurice
The transmission is, but the devices at either...

The transmission is, but the devices at either end of the cable aren't. I'm more inclined to think the XBox is the problem than the receiver.
Forum: Speakers   07-20-2016, 07:09 PM
Replies: 5
Views: 85
Posted By Bill Fitzmaurice
-1. 'Neutrik Speakon Compatible' isn't genuine...

-1. 'Neutrik Speakon Compatible' isn't genuine Neutrik. The real thing isn't cost prohibitive, and knock-offs have been known to be problematic.
Forum: Speakers   07-20-2016, 07:04 PM
Replies: 33
Views: 389
Posted By Bill Fitzmaurice
Being carriers of digital signals HDMI cables are...

Being carriers of digital signals HDMI cables are immune to any EMI or RFI. Chances are the XBox is the radio receiver.
Forum: Speakers   07-20-2016, 02:19 PM
Replies: 5
Views: 85
Posted By Bill Fitzmaurice
That's a terrible price for 16ga wire and cheap...

That's a terrible price for 16ga wire and cheap knockoff connectors. For that length 16ga is OK, you can even get zip cord from the nearest hardware store. For genuine Neutrik Speakons:...
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