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Forum: Audio theory, Setup and Chat   10-21-2014, 02:12 PM
Replies: 5
Views: 71
Posted By Bill Fitzmaurice
Yes, at that distance Allison Effect will be...

Yes, at that distance Allison Effect will be moot. Where Allison Effect is problematic is with mains and subs, as the reflected waves come off the front and rear walls, and you're sitting in an...
Forum: Audio theory, Setup and Chat   10-21-2014, 01:40 PM
Replies: 5
Views: 71
Posted By Bill Fitzmaurice
What it's referencing is Allison Effect, where...

What it's referencing is Allison Effect, where the reflected wave cancels the direct wave when the reflecting boundary is 1/4 wavelength behind the speaker, relative to the listening position. In the...
Forum: Audio theory, Setup and Chat   10-21-2014, 11:51 AM
Replies: 704
Views: 22,276
Posted By Bill Fitzmaurice
Nor do tubes over modern SS, but that doesn't...

Nor do tubes over modern SS, but that doesn't stop some from insisting that they're somehow 'better'. One wonders if they have one of these in their driveway:...
Forum: Speakers   10-21-2014, 09:22 AM
Replies: 11
Views: 135
Posted By Bill Fitzmaurice
The Bose Freespace DS 16SE has a single 2.25 inch...

The Bose Freespace DS 16SE has a single 2.25 inch driver, with 16 watt power handling capacity. I can't imagine anyone recommending them for any application, especially at the Bose price of $210....
Forum: Audio theory, Setup and Chat   10-21-2014, 05:09 AM
Replies: 8
Views: 178
Posted By Bill Fitzmaurice
www.rane.com/note110.html...

www.rane.com/note110.html (http://www.rane.com/note110.html)
Forum: Speakers   10-20-2014, 07:07 PM
Replies: 580
Views: 10,142
Posted By Bill Fitzmaurice
Litz cable has no effect within the audio...

Litz cable has no effect within the audio frequency bandwidth. :rolleyes:
I've grown weary of this thread. I leave it with this, which I should have posted back on page 1:

You claim that an...
Forum: Speakers   10-20-2014, 03:29 PM
Replies: 580
Views: 10,142
Posted By Bill Fitzmaurice
BS is a substance. :D Point of fact, an...

BS is a substance. :D

Point of fact, an electron wave in an insulated wire does have a lower speed than in an uninsulated wire. On average it's about 0.7 times the speed of light. Different...
Forum: Audio theory, Setup and Chat   10-20-2014, 02:50 PM
Replies: 27
Views: 348
Posted By Bill Fitzmaurice
You shouldn't, but with the inherent deficiencies...

You shouldn't, but with the inherent deficiencies of unbalanced connections, very often you do. Unbalanced audio connections are OK when you have a small number of devices, all using the same power...
Forum: Speakers   10-20-2014, 02:40 PM
Replies: 580
Views: 10,142
Posted By Bill Fitzmaurice
It's the very definition of Placebo Effect....

It's the very definition of Placebo Effect. Differences can be heard when cables have major differences in resistance, capacitance and inductance, but no matter how great those differences are they...
Forum: Speakers   10-20-2014, 01:18 PM
Replies: 580
Views: 10,142
Posted By Bill Fitzmaurice
Isn't that enough? FWIW in these cases the courts...

Isn't that enough? FWIW in these cases the courts tend to use expert testimony to find out what percentage of the product price was unfairly obtained via the false advertising, refunding that amount...
Forum: Speakers   10-20-2014, 12:19 PM
Replies: 580
Views: 10,142
Posted By Bill Fitzmaurice
Didn't Samuel Becket write a play on that...

Didn't Samuel Becket write a play on that theme?:)

I wonder when we'll see AQ and their ilk appear on this list:
http://www.classactionsnews.com/class-actions-settlements

Sooner or later an...
Forum: Audio theory, Setup and Chat   10-20-2014, 11:58 AM
Replies: 14
Views: 244
Posted By Bill Fitzmaurice
Use it until it's actually obsolete, say ten...

Use it until it's actually obsolete, say ten years down the road. You no more need Atmos now than you do a 3D TV, which I'll also get when the majority of movies are 3D, along with broadcast TV.
Forum: Speakers   10-20-2014, 06:26 AM
Replies: 580
Views: 10,142
Posted By Bill Fitzmaurice
In other words, the perfect snake oil customer. :)

In other words, the perfect snake oil customer. :)
Forum: Speakers   10-20-2014, 05:26 AM
Replies: 580
Views: 10,142
Posted By Bill Fitzmaurice
That makes just as much sense as this does: ...

That makes just as much sense as this does:
https://www.youtube.com/watch?feature=player_embedded&v=MXW0bx_Ooq4

That's exactly what they tell me when I take a design contract for a speaker and...
Forum: Subwoofers, Bass, and Transducers   10-19-2014, 08:15 PM
Replies: 4
Views: 221
Posted By Bill Fitzmaurice
A passive radiator operates in almost exactly the...

A passive radiator operates in almost exactly the same fashion as a port. Their advantage is that they can give a smaller cabinet size, as they don't use the mass of air contained in a long duct to...
Forum: DIY Speakers and Subs   10-19-2014, 08:09 PM
Replies: 2
Views: 85
Posted By Bill Fitzmaurice
No. The line needs to be 1/4 wavelength long. The...

No. The line needs to be 1/4 wavelength long. The driver configuration doesn't affect that.
Forum: Audio theory, Setup and Chat   10-19-2014, 08:02 PM
Replies: 27
Views: 348
Posted By Bill Fitzmaurice
Massive overkill. You don't need a transformer of...

Massive overkill. You don't need a transformer of that quality with a subwoofer than only runs to 100Hz or so.

Did you read the RaneNote? Ground loops aren't caused by improper grounding, they're...
Forum: Speakers   10-19-2014, 07:51 PM
Replies: 580
Views: 10,142
Posted By Bill Fitzmaurice
You were already given a serious answer. Quantum...

You were already given a serious answer. Quantum mechanics have nothing whatsoever to do with how cables function. Any source that claims so is either lying or clueless, or both.
Forum: Audio theory, Setup and Chat   10-19-2014, 02:43 PM
Replies: 704
Views: 22,276
Posted By Bill Fitzmaurice
If I was going to use them I'd run three HC-1,...

If I was going to use them I'd run three HC-1, with the tweeters set up for vertical placement.
Hardly. I'm buying a 328i Gran Turismo, which offers a combination of performance, size and fuel...
Forum: Audio theory, Setup and Chat   10-19-2014, 02:33 PM
Replies: 27
Views: 348
Posted By Bill Fitzmaurice
Use an isolation transformer on the interconnect....

Use an isolation transformer on the interconnect. You can even try disconnecting the shield from the RCA jack on the AVR end of the interconnect cable, it you're able to.
BTW, ground loops aren't...
Forum: Speakers   10-19-2014, 02:27 PM
Replies: 21
Views: 408
Posted By Bill Fitzmaurice
If anything it's smaller.

If anything it's smaller.
Forum: Speakers   10-19-2014, 02:24 PM
Replies: 580
Views: 10,142
Posted By Bill Fitzmaurice
Was it teflon coated? :D Only if they're made...

Was it teflon coated? :D
Only if they're made of teflon. :o
The correct size dimples will reduce air friction. That's why they're on golf balls. Some speakers use ports that have a dimpled texture...
Forum: Audio theory, Setup and Chat   10-19-2014, 07:58 AM
Replies: 704
Views: 22,276
Posted By Bill Fitzmaurice
I think that honor probably goes back to Pliny...

I think that honor probably goes back to Pliny the Elder, though it might have been Homer, and well before him someone probably noted that a fool and his mastodon skins are soon parted. Some things...
Forum: Speakers   10-19-2014, 07:52 AM
Replies: 38
Views: 798
Posted By Bill Fitzmaurice
That's a good deal compared to MSRP, but in...

That's a good deal compared to MSRP, but in reality it's still more than it's actually worth. $499 would be a good price. Bose MSRP is out of whack, but they have to pay for those full page ads in...
Forum: Speakers   10-19-2014, 07:02 AM
Replies: 21
Views: 408
Posted By Bill Fitzmaurice
OTOH there's no particular benefit in using horn...

OTOH there's no particular benefit in using horn loaded tweeters (it's a safe bet that's what the OP should have said) in surrounds, as horn loaded tweeters tend to have dispersion characteristics...
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