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Forum: Speakers   07-21-2014, 06:55 PM
Replies: 2
Views: 41
Posted By Bill Fitzmaurice
If your speakers are rated 200w RMS then powering...

If your speakers are rated 200w RMS then powering them with between 100w and 400w RMS is appropriate. Be aware that AVRs tend to have optimistic ratings that don't reflect what they're actually...
Forum: Subwoofers, Bass, and Transducers   07-21-2014, 04:47 PM
Replies: 4
Views: 110
Posted By Bill Fitzmaurice
Because amplifier designers figured out how to...

Because amplifier designers figured out how to make their products perfectly comfortable running with voltages anywhere between 100v and 130v fifty odd years before the invention of voltage...
Forum: Subwoofers, Bass, and Transducers   07-21-2014, 04:40 PM
Replies: 7
Views: 155
Posted By Bill Fitzmaurice
Not really, but you'll get as many responses in...

Not really, but you'll get as many responses in favor of them one as you do otherwise, with 99.9% of respondents basing their answer on what they use rather than any objective considerations.
Forum: Speakers   07-21-2014, 04:32 PM
Replies: 24
Views: 701
Posted By Bill Fitzmaurice
Perhaps if you live on a boat or in an ocean side...

Perhaps if you live on a boat or in an ocean side home, but otherwise don't bother. If you want to be safe coat the wire with an anti-oxidant.
Forum: Subwoofers, Bass, and Transducers   07-21-2014, 03:10 PM
Replies: 4
Views: 110
Posted By Bill Fitzmaurice
The main drawback is the drain on your wallet....

The main drawback is the drain on your wallet. Subwoofer amplifiers don't require precise voltage regulation. That's why not a single amp manufacturer that I'm aware of recommends their use, while...
Forum: Speakers   07-21-2014, 11:52 AM
Replies: 15
Views: 391
Posted By Bill Fitzmaurice
For a run of less than 25ft and power output up...

For a run of less than 25ft and power output up to 100w/ch there's absolutely nothing to be gained by using larger than 18ga. wire. With four ohm speakers 25ft of 18ga. has an insertion loss of...
Forum: Speakers   07-18-2014, 04:41 PM
Replies: 213
Views: 43,065
Posted By Bill Fitzmaurice
Cinemas and concerts, ie., pro-sound gear, do not...

Cinemas and concerts, ie., pro-sound gear, do not use passive bi-amping.
Forum: Speakers   07-18-2014, 04:38 PM
Replies: 4
Views: 104
Posted By Bill Fitzmaurice
A blown voice coil will have no visible symptoms....

A blown voice coil will have no visible symptoms. But the more pertinent question is : How do I get the seller (who probably knows it was blown) to pay for a new tweeter? The answer is you probably...
Forum: Speakers   07-18-2014, 01:31 PM
Replies: 32
Views: 741
Posted By Bill Fitzmaurice
There is no such thing as wire that is less...

There is no such thing as wire that is less bright. There are not so bright people who will say so, however. :rolleyes:
The simple answer to having to much high frequency content is to turn down the...
Forum: Speakers   07-18-2014, 09:24 AM
Replies: 213
Views: 43,065
Posted By Bill Fitzmaurice
Bi-amping requires removal of the passive...

Bi-amping requires removal of the passive crossover from the speaker, and an electronic crossover prior to amplification. So-called 'passive bi-amping' using an unused set of AVR amps doesn't do that.
Forum: Speakers   07-18-2014, 05:26 AM
Replies: 15
Views: 391
Posted By Bill Fitzmaurice
Search 'cable' and 'connectors'. You'll find...

Search 'cable' and 'connectors'. You'll find enough reading to keep you busy for a month or two.
Forum: Subwoofers, Bass, and Transducers   07-17-2014, 04:57 PM
Replies: 29
Views: 449
Posted By Bill Fitzmaurice
There's nothing magical about placing subs close...

There's nothing magical about placing subs close to the LP. Depending on the distance relationships between the subs, LP and room boundaries you can end up with less bass. That especially applies to...
Forum: Speakers   07-17-2014, 09:18 AM
Replies: 24
Views: 701
Posted By Bill Fitzmaurice
I have a 25 footer connecting my computer to my...

I have a 25 footer connecting my computer to my TV. It cost me four bucks, works perfectly. One of the benefits to digital transmission is that it's far less susceptible to noise and interference...
Forum: Subwoofers, Bass, and Transducers   07-17-2014, 07:11 AM
Replies: 20
Views: 805
Posted By Bill Fitzmaurice
Did he have all of the subs tested EQ'd for flat...

Did he have all of the subs tested EQ'd for flat in-room response? If he did you would not have been able to tell the difference between them with music. Of course, he did not, that's simply not...
Forum: Speakers   07-17-2014, 05:52 AM
Replies: 213
Views: 43,065
Posted By Bill Fitzmaurice
Preventing that confusion is not aided at all by...

Preventing that confusion is not aided at all by manufacturers of AVRs and speakers who promote 'passive' bi-amping, which also does not work. :(
Forum: Speakers   07-17-2014, 05:47 AM
Replies: 24
Views: 701
Posted By Bill Fitzmaurice
+1. For the sound to be different the plug would...

+1. For the sound to be different the plug would have to present a resistance load at least 10% of that of the speaker impedance load. With a 4 ohm speaker it would take a brass plug thirty feet long...
Forum: Speakers   07-16-2014, 07:20 PM
Replies: 2
Views: 112
Posted By Bill Fitzmaurice
They probably have reasonably good dispersion at...

They probably have reasonably good dispersion at least 15 degrees off-axis. What would be critical is that the tweeter is on a line of sight from the LP as well as being within than 15 degree window.
Forum: Speakers   07-16-2014, 08:29 AM
Replies: 213
Views: 43,065
Posted By Bill Fitzmaurice
Try buying anything from a CD player to speakers...

Try buying anything from a CD player to speakers to TV without getting a sales pitch for two items: expensive cables and extended warranties. Would you care to guess what the two highest profit...
Forum: Subwoofers, Bass, and Transducers   07-16-2014, 06:04 AM
Replies: 20
Views: 805
Posted By Bill Fitzmaurice
What you'll hear in a shop is the room response...

What you'll hear in a shop is the room response of the shop. Subs sound different in every room, so the only way to make a valid comparison of how they'll sound in your room is to compare them in...
Forum: Speakers   07-16-2014, 05:54 AM
Replies: 213
Views: 43,065
Posted By Bill Fitzmaurice
If you expect to hear a difference you will. If...

If you expect to hear a difference you will. If you don't expect to hear a difference you won't. Watch this:
http://www.youtube.com/watch?v=BYTlN6wjcvQ

The only valid method of testing using only...
Forum: Speakers   07-15-2014, 06:59 PM
Replies: 10
Views: 341
Posted By Bill Fitzmaurice
Copper is copper. Get some zip cord at your local...

Copper is copper. Get some zip cord at your local hardware store and you won't pay any shipping. ;)
Forum: Speakers   07-15-2014, 06:57 PM
Replies: 213
Views: 43,065
Posted By Bill Fitzmaurice
Only if you measure the results. If you do find...

Only if you measure the results. If you do find any difference you'll be in the running for the Nobel Prize in physics. :nerd:

OTOH if you think you hear a difference, without measured results to...
Forum: Subwoofers, Bass, and Transducers   07-15-2014, 04:57 PM
Replies: 3
Views: 144
Posted By Bill Fitzmaurice
That depends on the enclosure design. Best head...

That depends on the enclosure design. Best head over to the DIY section to get opinions on whatever you plan on using.
Forum: Speakers   07-15-2014, 03:17 PM
Replies: 8
Views: 203
Posted By Bill Fitzmaurice
Assuming you plan to put the TV above the...

Assuming you plan to put the TV above the fireplace put a center under it, wall hang a bookshelf to either side, put a sub in the right hand corner under the window. You can make use of the...
Forum: DIY Speakers and Subs   07-15-2014, 11:31 AM
Replies: 12
Views: 776
Posted By Bill Fitzmaurice
No more so than two drivers on the same baffle...

No more so than two drivers on the same baffle will, which is to say no.

I am just curious what is happening to allow a box with such a high qtc to sound as good as it does.

High Q in and of...
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