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Search: Posts Made By: HopefulFred
Forum: Dedicated Theater Design & Construction   05-05-2015, 06:03 PM
Replies: 2,163
Views: 108,480
Posted By HopefulFred
Why worry about the impedance? Do you have...

Why worry about the impedance? Do you have enough power (and will they take enough power) to drive them to the levels you need?

Tannoy says they recommend 160W @16ohm to drive them. How many...
Forum: Dedicated Theater Design & Construction   05-04-2015, 10:21 AM
Replies: 2,299
Views: 155,649
Posted By HopefulFred
Yup. And if you don't go ahead and hook it up,...

Yup. And if you don't go ahead and hook it up, you'll have a finished theater years before I do. We can't have that, can we? ;)
Forum: Dedicated Theater Design & Construction   05-04-2015, 10:05 AM
Replies: 2,299
Views: 155,649
Posted By HopefulFred
Probably just the channel level trims.

Probably just the channel level trims.
Forum: Dedicated Theater Design & Construction   05-04-2015, 09:56 AM
Replies: 2,299
Views: 155,649
Posted By HopefulFred
I would think you might need to check how your...

I would think you might need to check how your gains are all set with regard to the hiss.
Forum: Dedicated Theater Design & Construction   05-02-2015, 06:30 PM
Replies: 260
Views: 7,287
Posted By HopefulFred
What Shawn hasn't laid plain for you is the...

What Shawn hasn't laid plain for you is the geometry. Three points along a secant line can be very far apart and still be approximately the same distance from the center only if the circle is large....
Forum: Dedicated Theater Design & Construction   05-02-2015, 08:23 AM
Replies: 60
Views: 884
Posted By HopefulFred
For me the concern is the noises that the...

For me the concern is the noises that the structure will make. That kind of nonsense, like rattling light fixtures, reminds me I'm in my home - not in the movie.
Forum: Dedicated Theater Design & Construction   05-02-2015, 06:32 AM
Replies: 60
Views: 884
Posted By HopefulFred
I don't like the idea of 12OC either. I think...

I don't like the idea of 12OC either. I think get the 560 product in the depth needed to support the load plus 20% or so. I think you'll find there is plenty of rumble in the structure at well...
Forum: Dedicated Theater Design & Construction   05-01-2015, 03:40 PM
Replies: 2,922
Views: 163,047
Posted By HopefulFred
I'm not visualizing this well. Is there some...

I'm not visualizing this well. Is there some bracket that connects the speaker to the baffle wall? If so, can it have slots instead of holes so that it is adjustable? If not, then slightly...
Forum: Dedicated Theater Design & Construction   05-01-2015, 01:57 PM
Replies: 260
Views: 7,287
Posted By HopefulFred
I tend to agree with the suggestion that the...

I tend to agree with the suggestion that the distance is not the issue unless you are worrying about multiple seating positions.

I wonder if the proximity of refractive surfaces/edges makes...
Forum: DIY Sound Group - Loudspeakers and Subwoofers   04-29-2015, 05:21 PM
Replies: 12
Views: 387
Posted By HopefulFred
Sealed and smaller! :)

Sealed and smaller! :)
Forum: Dedicated Theater Design & Construction   04-28-2015, 03:23 PM
Replies: 2,299
Views: 155,649
Posted By HopefulFred
Maybe I'm a dufus, but I don't see how the mount...

Maybe I'm a dufus, but I don't see how the mount fits together. Does the load just hang in a hook on the bracket, or do you have to have a tool between the wall and the load?
Forum: Dedicated Theater Design & Construction   04-27-2015, 06:18 PM
Replies: 67
Views: 5,974
Posted By HopefulFred
Coming together nicely.

Coming together nicely.
Forum: Dedicated Theater Design & Construction   04-27-2015, 05:56 PM
Replies: 724
Views: 33,531
Posted By HopefulFred
You'll only need a handful of watts to reach...

You'll only need a handful of watts to reach reference. Seriously - you won't find much of anything more sensitive than 104dB. If you have 10 clean watts, you're in business in most home theaters. ...
Forum: Dedicated Theater Design & Construction   04-26-2015, 05:38 PM
Replies: 1,232
Views: 73,283
Posted By HopefulFred
Since it's been a month since we bumped this, I...

Since it's been a month since we bumped this, I want to go ahead and do that... and I might as well clarify some expectations for the next little while.

My old house (that I still own) is about to...
Forum: Dedicated Theater Design & Construction   04-26-2015, 03:45 PM
Replies: 243
Views: 14,988
Posted By HopefulFred
If the speakers are A) stable and B) still...

If the speakers are A) stable and B) still pointed where they should be, I wouldn't worry much. If you want to change it, maybe building a box into the bottom of the stand and filling it with sand...
Forum: Dedicated Theater Design & Construction   04-26-2015, 03:37 PM
Replies: 10,840
Views: 1,405,815
Posted By HopefulFred
Anything you put on the far side of drywall will...

Anything you put on the far side of drywall will have no (real) impact on the acoustics of your room. Perhaps you're thinking about soundproofing? There is a separate thread for that.
Forum: DIY Speakers and Subs   04-25-2015, 05:59 PM
Replies: 640
Views: 16,391
Posted By HopefulFred
Everyone will take a slightly different path -...

Everyone will take a slightly different path - but let's consider what I think would be some fairly typical assumptions and traditional approaches. You measure your tweeter on axis - this shows you...
Forum: DIY Speakers and Subs   04-24-2015, 06:28 AM
Replies: 640
Views: 16,391
Posted By HopefulFred
Ryan, can you elaborate on that?

Ryan, can you elaborate on that?
Forum: DIY Speakers and Subs   04-24-2015, 05:07 AM
Replies: 640
Views: 16,391
Posted By HopefulFred
Listening is best, IMO. Honestly, I don't know...

Listening is best, IMO. Honestly, I don't know what the advantage of a shallow crossover is. I suspect it can soften the transition from woofer to tweeter, making it less apparent. Not sure. ...
Forum: DIY Speakers and Subs   04-24-2015, 05:02 AM
Replies: 640
Views: 16,391
Posted By HopefulFred
The tools and process for measuring the woofer...

The tools and process for measuring the woofer would be the same as the tweeter. There might be some different practical considerations because of the size of the waves in question - so gating might...
Forum: Latest Industry News   04-23-2015, 01:16 PM
Replies: 768
Views: 37,879
Posted By HopefulFred
http://pro.sony.com/bbsc/ssr/show-highend/resource...

http://pro.sony.com/bbsc/ssr/show-highend/resource.solutions.bbsccms-assets-show-highend-F65.shtml#/f65t1_12 Sony doesn't specify here what resolution is possible at 120FPS, but does say it is less...
Forum: DIY Speakers and Subs   04-23-2015, 05:10 AM
Replies: 640
Views: 16,391
Posted By HopefulFred
JBL says the 2384 horn provides nominal 90 degree...

JBL says the 2384 horn provides nominal 90 degree horizontal coverage - so that's the same as the SEOS waveguides. http://www.jblpro.com/pub/cinema/4622.pdf

That same spec sheet says that the...
Forum: DIY Speakers and Subs   04-22-2015, 03:24 PM
Replies: 640
Views: 16,391
Posted By HopefulFred
Are there any worth looking at, or at least worth...

Are there any worth looking at, or at least worth viewing to decide if they are worth saving?
Forum: DIY Speakers and Subs   04-22-2015, 02:17 PM
Replies: 640
Views: 16,391
Posted By HopefulFred
-time + -money =/= designing speakers I...

-time + -money =/= designing speakers

I would really like to, but it's not happening before I have a finished home theater.
Forum: DIY Speakers and Subs   04-22-2015, 01:10 PM
Replies: 640
Views: 16,391
Posted By HopefulFred
Mike - do you have any measurements to share yet?...

Mike - do you have any measurements to share yet? I want to see!
Showing results 1 to 25 of 3103

 
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