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Forum: Subwoofers, Bass, and Transducers   08-01-2014, 07:09 PM
Replies: 5
Views: 93
Posted By Bill Fitzmaurice
This will do the job for a lot less $$$. ...

This will do the job for a lot less $$$.
http://www.homedepot.com/p/TrafficMASTER-Black-24-in-x-36-in-Anti-Fatigue-Vinyl-Foam-Commercial-Mat-60-571-0900-20000300/202015909
Forum: Speakers   08-01-2014, 02:43 PM
Replies: 220
Views: 3,399
Posted By Bill Fitzmaurice
It's not. They obviously don't do a land office...

It's not. They obviously don't do a land office business, as you have to be really, really stupid to believe anything there. But it only costs a hundred bucks a year or so to maintain a site of that...
Forum: Speakers   08-01-2014, 02:10 PM
Replies: 220
Views: 3,399
Posted By Bill Fitzmaurice
As outrageous as that crap is they're rank...

As outrageous as that crap is they're rank amateurs when it comes to snake oil. This is the king of the (dung) heap, and yes, the site is for real:
http://www.machinadynamica.com/index.html
Forum: Speakers   08-01-2014, 12:04 PM
Replies: 220
Views: 3,399
Posted By Bill Fitzmaurice
People who leave here are people who don't use...

People who leave here are people who don't use their most important God given ability: To learn. People who rely only on their senses very well might assume that the moon is made of cheese, or that...
Forum: Speakers   08-01-2014, 07:49 AM
Replies: 14
Views: 168
Posted By Bill Fitzmaurice
The time frame that it takes for a cap to charge...

The time frame that it takes for a cap to charge depends on its value. With a few thousand uF power supply cap that can take from a few seconds to perhaps a minute. With a low value filter cap it can...
Forum: Subwoofers, Bass, and Transducers   08-01-2014, 05:20 AM
Replies: 8
Views: 147
Posted By Bill Fitzmaurice
Take your pick: ...

Take your pick:
http://www.parts-express.com/cat/subwoofer-plate-amplifiers/332
Forum: Speakers   08-01-2014, 05:16 AM
Replies: 14
Views: 168
Posted By Bill Fitzmaurice
If the speakers work but you're getting a high...

If the speakers work but you're getting a high reading chances are there is a high pass capacitor in the circuit. Meters use DC to take a resistance measurement, capacitors block the passage of DC.
Forum: Subwoofers, Bass, and Transducers   07-31-2014, 07:12 PM
Replies: 8
Views: 147
Posted By Bill Fitzmaurice
Do a thread search for 'Epic'. The problems with...

Do a thread search for 'Epic'. The problems with their amps has become the stuff of legend.
Forum: Speakers   07-31-2014, 07:09 PM
Replies: 220
Views: 3,399
Posted By Bill Fitzmaurice
When Peter Walker first introduced his...

When Peter Walker first introduced his magnificent Quad ESL 63 speakers to the audio press at a hotel in London he forgot to bring speaker cables. :eek:
He had his assistants stall for time while he...
Forum: Speakers   07-31-2014, 03:20 PM
Replies: 220
Views: 3,399
Posted By Bill Fitzmaurice
Another voice of sanity: ...

Another voice of sanity:
http://www.verber.com/mark/ce/cables.html
Forum: Speakers   07-31-2014, 03:15 PM
Replies: 17
Views: 217
Posted By Bill Fitzmaurice
They can be, but they also can be taken out with...

They can be, but they also can be taken out with enough pristine clean power. They also tend to get taken out by alcohol, as in the kind liberally imbibed at parties, resulting in above mentioned...
Forum: Speakers   07-31-2014, 08:13 AM
Replies: 17
Views: 217
Posted By Bill Fitzmaurice
+1. If you're going to listen at extreme levels...

+1. If you're going to listen at extreme levels you need speakers designed for it. A single 1" dome tweeter isn't going to give concert level sound. Something along the lines of Klipsch Heresy or...
Forum: Subwoofers, Bass, and Transducers   07-31-2014, 06:28 AM
Replies: 6
Views: 197
Posted By Bill Fitzmaurice
It shouldn't. The size of the LP doesn't...

It shouldn't.
The size of the LP doesn't eliminate cancellation modes, it just makes it easier to account for them. There's a prevailing myth that you can't EQ out cancellation sourced response...
Forum: DIY Speakers and Subs   07-31-2014, 05:23 AM
Replies: 20
Views: 258
Posted By Bill Fitzmaurice
You're probably seeing that velocity at or close...

You're probably seeing that velocity at or close to 15Hz. Chances are slim that you'll actually put 300w into them at 15Hz, and that's what the manufacturer recommended port area is based upon.
Forum: Speakers   07-30-2014, 02:55 PM
Replies: 220
Views: 3,399
Posted By Bill Fitzmaurice
Bizarre. Capacitance would also be higher than...

Bizarre. Capacitance would also be higher than normal with coiled conductors, making this cable doubly defective. :mad:
Forum: Subwoofers, Bass, and Transducers   07-30-2014, 02:08 PM
Replies: 6
Views: 197
Posted By Bill Fitzmaurice
The only definitive method of getting the best...

The only definitive method of getting the best placement is to measure the in-room response. It's very much an exercise in trial and error. Measuring response at the LP you find the spot where one...
Forum: Speakers   07-30-2014, 02:00 PM
Replies: 220
Views: 3,399
Posted By Bill Fitzmaurice
That's an indication of very high capacitance....

That's an indication of very high capacitance. Reputable manufacturers consider a very high capacitance cable defective, and would not sell them at all. Tone issues aside, a very high capacitance...
Forum: Audio theory, Setup and Chat   07-29-2014, 07:16 PM
Replies: 11
Views: 169
Posted By Bill Fitzmaurice
+1. It's far less expensive for most...

+1. It's far less expensive for most manufacturers to outsource their drivers than to build their own, especially at the lower end of the price range. There are literally hundreds of driver factories...
Forum: Speakers   07-29-2014, 07:09 PM
Replies: 4
Views: 163
Posted By Bill Fitzmaurice
That explains all. He's touting the supposed...

That explains all. He's touting the supposed advantage of tubes versus SS. Tubes do act more like current sources than voltage sources, because they don't directly drive the fluctuating impedance...
Forum: Speakers   07-29-2014, 04:39 PM
Replies: 4
Views: 163
Posted By Bill Fitzmaurice
The impedance of speakers is anything but flat. A...

The impedance of speakers is anything but flat. A typical 8 ohm speaker will vary between 5 and 50 ohms. They have flat (more or less) response because amplifiers deliver the same voltage swing into...
Forum: Speakers   07-29-2014, 04:30 PM
Replies: 3
Views: 105
Posted By Bill Fitzmaurice
I do. ;)

I do. ;)
Forum: Speakers   07-29-2014, 11:54 AM
Replies: 220
Views: 3,399
Posted By Bill Fitzmaurice
Or said writers merely parrot what they think is...

Or said writers merely parrot what they think is expected of them by the audience they're writing for. They wouldn't be the first examples of rabble rousing purely for monetary gain. If the spirit of...
Forum: Audio theory, Setup and Chat   07-29-2014, 09:55 AM
Replies: 9
Views: 204
Posted By Bill Fitzmaurice
Not at all. Being round they're highly resistant...

Not at all. Being round they're highly resistant to sympathetic resonance. Making the shelves out of thin sheet metal would be a different story.
Forum: Speakers   07-29-2014, 09:45 AM
Replies: 6
Views: 129
Posted By Bill Fitzmaurice
So do laptop computers. They're only bothered by...

So do laptop computers. They're only bothered by rotating magnetic fields, as in AC powered electromagnets.
Forum: Speakers   07-29-2014, 09:39 AM
Replies: 220
Views: 3,399
Posted By Bill Fitzmaurice
It should be pointed out that Kal Rubinson long...

It should be pointed out that Kal Rubinson long ago recused himself from making comments about cables. If you read between the lines of what he has to say on the subject you can deduce that he knows...
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