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Forum: Subwoofers, Bass, and Transducers   09-15-2014, 06:42 PM
Replies: 1
Views: 15
Posted By Bill Fitzmaurice
Yes, using EQ. But the downside is that an EQ...

Yes, using EQ. But the downside is that an EQ boost to give a desired response at one place in the room will end up in too much output at that frequency in other spots in the room. That's why it's...
Forum: Audio theory, Setup and Chat   09-15-2014, 06:34 PM
Replies: 52
Views: 718
Posted By Bill Fitzmaurice
You'd put the fifteen in the front of the room,...

You'd put the fifteen in the front of the room, as that's further away from the LP, using the sub crawl method to find the best spot for it. Then the ten would go in the back of the room, also placed...
Forum: Subwoofers, Bass, and Transducers   09-15-2014, 04:53 PM
Replies: 3
Views: 71
Posted By Bill Fitzmaurice
The simple answer is that most sub amps are made...

The simple answer is that most sub amps are made to a price point, ie., they're cheap. The average powered sub costs no more than the average well made amplifier.
Forum: Subwoofers, Bass, and Transducers   09-15-2014, 04:50 PM
Replies: 39
Views: 843
Posted By Bill Fitzmaurice
This is the summary of my test results: ...

This is the summary of my test results:

http://billfitzmaurice.info/forum/styles/getaway3/imageset/icon_topic_latest.gif (http://billfitzmaurice.info/forum/viewtopic.php?p=205804#p205804) Do I...
Forum: DIY Speakers and Subs   09-15-2014, 04:42 PM
Replies: 3
Views: 104
Posted By Bill Fitzmaurice
How do they all software model in your proposed...

How do they all software model in your proposed cab? That should tell you what you need to know.
Forum: Audio theory, Setup and Chat   09-15-2014, 04:36 PM
Replies: 52
Views: 718
Posted By Bill Fitzmaurice
That's part of the problem, no way can a ten inch...

That's part of the problem, no way can a ten inch sub fill a room of your size. You should be looking at a fifteen, use the ten as an auxiliary. This is a budget fifteen that still delivers good...
Forum: Speakers   09-15-2014, 04:27 PM
Replies: 3
Views: 29
Posted By Bill Fitzmaurice
The required settings will be different in every...

The required settings will be different in every room. If that wasn't the case there would be no need for adjustments.
Forum: Audio theory, Setup and Chat   09-15-2014, 03:10 PM
Replies: 2
Views: 50
Posted By Bill Fitzmaurice
Analysis isn't required, you already identified...

Analysis isn't required, you already identified the problems. A full carpet would be the first thing I'd do. Hardwood looks nice, sounds bad.
Forum: Audio theory, Setup and Chat   09-15-2014, 03:04 PM
Replies: 52
Views: 718
Posted By Bill Fitzmaurice
Google 'REW' (room EQ wizard). An SPL meter on...

Google 'REW' (room EQ wizard). An SPL meter on its own won't work, you need measuring software. As for the rest, chances of getting a good result with one sub in a room that size where you want to...
Forum: Subwoofers, Bass, and Transducers   09-15-2014, 03:00 PM
Replies: 39
Views: 843
Posted By Bill Fitzmaurice
Maybe you did, but without measurements to back...

Maybe you did, but without measurements to back it up it's a matter of personal opinion. I have measured my gear with and without both risers and spikes, in the room, in the next room and in the room...
Forum: Speakers   09-15-2014, 02:55 PM
Replies: 5
Views: 126
Posted By Bill Fitzmaurice
It will work, but placing a speaker like that...

It will work, but placing a speaker like that isn't exactly convenient. Besides, doesn't it have speakers already?
Forum: Subwoofers, Bass, and Transducers   09-15-2014, 11:50 AM
Replies: 8
Views: 166
Posted By Bill Fitzmaurice
+1. Not knowing the specs I can't say for sure,...

+1. Not knowing the specs I can't say for sure, but the vintage suggests that it probably didn't do much below 40Hz, as HT was still in its infancy back then.
Forum: Audio theory, Setup and Chat   09-15-2014, 11:41 AM
Replies: 52
Views: 718
Posted By Bill Fitzmaurice
That should make you question why some are...

That should make you question why some are suggesting that you use bass traps, when your issue is that you don't have enough bass with your present sub and listening position. There are benefits to...
Forum: Audio theory, Setup and Chat   09-15-2014, 05:04 AM
Replies: 52
Views: 718
Posted By Bill Fitzmaurice
I've seen expensive subs that fit the same...

I've seen expensive subs that fit the same description. By no means am I recommending cheap subs, but if one does their homework they can find many perfectly good subs in the $300 range, while there...
Forum: Subwoofers, Bass, and Transducers   09-14-2014, 01:57 PM
Replies: 8
Views: 166
Posted By Bill Fitzmaurice
If you don't have the technical chops to fix it...

If you don't have the technical chops to fix it yourself it's probably time to move on. Sub technology has come a long way since 1996. If you have to pay someone to fix it the repair cost will likely...
Forum: Audio theory, Setup and Chat   09-14-2014, 01:43 PM
Replies: 52
Views: 718
Posted By Bill Fitzmaurice
Not necessarily. So long as both options have the...

Not necessarily. So long as both options have the same f3 they'll go equally low. So long as the combined driver displacement and total power of the two lesser subs are at least the equal of the one...
Forum: Speakers   09-14-2014, 07:54 AM
Replies: 8
Views: 189
Posted By Bill Fitzmaurice
Do subs first, then re-assess. You may not need...

Do subs first, then re-assess. You may not need better mains capacity. If you do you'll get a better result with a 2x5" speaker than a 1x6" speaker. For that matter a dual woofer speaker will nearly...
Forum: Audio theory, Setup and Chat   09-14-2014, 05:58 AM
Replies: 6
  ohms
Views: 209
Posted By Bill Fitzmaurice
So did I, but I knew how to do it with the amp I...

So did I, but I knew how to do it with the amp I was using. Not all amps will be happy doing this, and some will be downright unhappy, so without knowing the exact amp configuration being used my...
Forum: Audio theory, Setup and Chat   09-14-2014, 05:48 AM
Replies: 52
Views: 718
Posted By Bill Fitzmaurice
The most important suggestion is that to get the...

The most important suggestion is that to get the best results you must measure the system/room response, otherwise you're throwing darts while blindfolded. With respect to midrange and high frequency...
Forum: Audio theory, Setup and Chat   09-14-2014, 05:40 AM
Replies: 5
Views: 129
Posted By Bill Fitzmaurice
When it exceeds that of the original media. CD...

When it exceeds that of the original media. CD exceeds the frequency response, signal to noise and dynamic range of vinyl, and of the tape that the vinyl was mastered from.
Forum: Speakers   09-14-2014, 05:32 AM
Replies: 7
Views: 171
Posted By Bill Fitzmaurice
When a driver isn't mounted in an enclosure the...

When a driver isn't mounted in an enclosure the low frequency radiations from the front and the rear of the cone will cancel each other out. It's not that the guys aren't being nice, it's that this...
Forum: Speakers   09-13-2014, 07:16 PM
Replies: 12
Views: 139
Posted By Bill Fitzmaurice
Put the two speakers side by side, put them into...

Put the two speakers side by side, put them into 'large' mode so that they're getting bass information. Leave one unplugged, play music. Plug the second speaker in. The bass level should go up. If it...
Forum: Audio theory, Setup and Chat   09-13-2014, 07:59 AM
Replies: 6
  ohms
Views: 209
Posted By Bill Fitzmaurice
Depending on the amp you may fry it, so don't do...

Depending on the amp you may fry it, so don't do this.
Forum: Audio theory, Setup and Chat   09-13-2014, 05:57 AM
Replies: 52
Views: 718
Posted By Bill Fitzmaurice
That will result in bass suckout centered around...

That will result in bass suckout centered around 50Hz, making it as bad an LP placement as you can have.
http://www.padrick.net/LiveSound/CancellationMode.htm

Put the LP less than 3 feet from the...
Forum: DIY Speakers and Subs   09-12-2014, 05:37 PM
Replies: 169
Views: 6,846
Posted By Bill Fitzmaurice
And below 20Hz there simply isn't an inexpensive...

And below 20Hz there simply isn't an inexpensive option. Lots of drivers and lots of watts don't come cheap.
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