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Search: Posts Made By: bwaslo
Forum: DIY Speakers and Subs   06-05-2015, 01:00 PM
Replies: 855
Views: 29,852
Posted By bwaslo
Class D efficiency is important at LOW or...

Class D efficiency is important at LOW or MODERATE power out, not high power out. At high power out, it isn't miles better than class AB, but the average output power of an amp in use (not counting...
Forum: DIY Sound Group - Loudspeakers and Subwoofers   05-27-2015, 01:24 PM
Replies: 9
Views: 259
Posted By bwaslo
I doubt you'll have any problem. But the general...

I doubt you'll have any problem. But the general rule of "don't be an idiot hi-fi" applies as always: if it starts to sound bad, turn it down!
(And if it doesn't matter to you if it sounds bad,...
Forum: DIY Speakers and Subs   03-05-2015, 02:30 PM
Replies: 12,629
Views: 866,828
Posted By bwaslo
Tip, The FL450 is an unusual driver. It...

Tip,

The FL450 is an unusual driver. It uses about the largest neodymium magnet structure I've ever seen on anything beyond a woofer (keep your cards with magnetic stripes away from these...
Forum: DIY Speakers and Subs   03-05-2015, 02:10 PM
Replies: 12,629
Views: 866,828
Posted By bwaslo
Here's how I see it: Erich has provided HIS cash...

Here's how I see it: Erich has provided HIS cash investment, HIS time, HIS building, HIS (unbelievably difficult) efforts in dealing with overseas suppliers, HIS availability, HIS shipping skills. ...
Forum: DIY Speakers and Subs   03-05-2015, 01:49 PM
Replies: 12,629
Views: 866,828
Posted By bwaslo
I'm all for an AVS subforum for DIYSG. Scanning...

I'm all for an AVS subforum for DIYSG. Scanning down the 'DIY Speakers and Subs', there is a mix of such and making it easier to single out Erich's stuff seems like a good idea to me.

To how many...
Forum: DIY Speakers and Subs   03-04-2015, 01:45 PM
Replies: 553
Views: 10,936
Posted By bwaslo
I can strongly recommend trying to find a set of...

I can strongly recommend trying to find a set of electric heat-type wire strippers, if you can. Some brands or names are "Hot Weezer", "Hot Stripper" (neat name, that one), "Thermal Strippers" or...
Forum: DIY Speakers and Subs   02-17-2015, 01:47 PM
Replies: 53
Views: 1,809
Posted By bwaslo
Yeah, I see you DO have a problem -- you need...

Yeah, I see you DO have a problem -- you need more clamps.
Forum: DIY Speakers and Subs   02-17-2015, 01:07 PM
Replies: 351
Views: 13,465
Posted By bwaslo
Something I recently found out -- the CD tweeters...

Something I recently found out -- the CD tweeters and waveguide I use sounded less sparkly and ambient than things like ribbons before. But after recent playing with diffusers in the room, the highs...
Forum: DIY Speakers and Subs   02-16-2015, 01:46 PM
Replies: 46
Views: 1,260
Posted By bwaslo
I'm using diffusion panels (see my article...

I'm using diffusion panels (see my article referenced above) at the reflection points, and it works very well. The sound is uncolored but richer (if you follow that - I mean that the treble/bass...
Forum: DIY Speakers and Subs   02-13-2015, 04:20 PM
Replies: 12,629
Views: 866,828
Posted By bwaslo
BTW, the OmniMic software can do those polars as...

BTW, the OmniMic software can do those polars as well (give it a list of FRD files, you can assign angles to each), and will do it even if you don't have the OmniMic hardware. Download the software...
Forum: DIY Speakers and Subs   02-10-2015, 01:09 AM
Replies: 46
Views: 1,260
Posted By bwaslo
Well, they're different. Use diffusers for a...

Well, they're different. Use diffusers for a more rich ambience, absorbers for a more dry sound. Either is better than specular reflections (like from a flat hard surface). Probably do absorbers...
Forum: DIY Speakers and Subs   02-09-2015, 06:08 PM
Replies: 46
Views: 1,260
Posted By bwaslo
You might want to try some diffusion too. ...

You might want to try some diffusion too. http://www.diyaudio.com/forums/everything-else/269366-making-easy-diy-depot-sound-diffuser-panels-step-step.html
Forum: DIY Speakers and Subs   02-03-2015, 09:55 PM
Replies: 1,342
Views: 91,652
Posted By bwaslo
Dang, that looks nice...

Dang, that looks nice...
Forum: DIY Speakers and Subs   01-29-2015, 02:25 PM
Replies: 12,629
Views: 866,828
Posted By bwaslo
Yeah, you gotta be ready for the inevitable "how...

Yeah, you gotta be ready for the inevitable "how many watts does that speaker got??" question!
Forum: DIY Speakers and Subs   01-20-2015, 04:04 PM
Replies: 12,629
Views: 866,828
Posted By bwaslo
Around here, Lowes has it in stock. Big huge...

Around here, Lowes has it in stock. Big huge bundles of it, don't plan on picking it up with a tiny car...
Forum: DIY Speakers and Subs   01-20-2015, 04:03 PM
Replies: 2,125
Views: 187,312
Posted By bwaslo
File-> save FRD Then in Added Curves, Add the...

File-> save FRD
Then in Added Curves, Add the FRD files for the curves you want to show. (Non-live curves for frequency response are called "Added Curves" in Omnimic).
Forum: DIY Speakers and Subs   01-17-2015, 11:51 AM
Replies: 138
Views: 40,942
Posted By bwaslo
Some seemingly-contradictory replies -- MTG,...

Some seemingly-contradictory replies --

MTG, I guess I don't see the need for a 18" Synergy horn, a BA750 driver will drive a SEOS18 horn down to its pattern control frequency already won't it? ...
Forum: DIY Speakers and Subs   01-16-2015, 06:43 PM
Replies: 76
Views: 5,097
Posted By bwaslo
Yup, you guessed it. But only 11% of one. You...

Yup, you guessed it. But only 11% of one. You need to buy 9 for each channel, one facing you, the other 8 behind it and facing backwards.
Forum: DIY Speakers and Subs   01-14-2015, 04:37 PM
Replies: 138
Views: 40,942
Posted By bwaslo
In my designs so far, I can never get the holes...

In my designs so far, I can never get the holes too close to the CD throat. So arrange for the holes to be placed as close-in as you can, then work from there. Using a MiniDSP and a set of amps...
Forum: DIY Speakers and Subs   01-14-2015, 02:10 PM
Replies: 138
Views: 40,942
Posted By bwaslo
Ok, mtg, I'm impressed. Nice frequency response...

Ok, mtg, I'm impressed. Nice frequency response on those!

So, how come you're not using them for your main system?

BTW, I talked to Erich about selling flatpacks for just a wooden conical horn...
Forum: DIY Speakers and Subs   01-13-2015, 01:21 PM
Replies: 12,629
Views: 866,828
Posted By bwaslo
Why can't the DIYSG forum at Erich's site be the...

Why can't the DIYSG forum at Erich's site be the "subforum"? It's just another link to stick on your bookmarks list... And won't clog up AVS.

Erich, what would happen if you just had everyone...
Forum: DIY Speakers and Subs   01-13-2015, 09:29 AM
Replies: 385
Views: 83,674
Posted By bwaslo
Probably, but I haven't noticed any issue so far....

Probably, but I haven't noticed any issue so far. Probably just some fiber at both ends would be enough to kill any resonances that might occur.
Forum: DIY Speakers and Subs   01-13-2015, 08:55 AM
Replies: 385
Views: 83,674
Posted By bwaslo
I just found this thread today. I had posted on...

I just found this thread today. I had posted on a few other forums about a VERY inexpensive and easy to make (but computer optimized and good-performing) step diffuser design and construction...
Forum: DIY Speakers and Subs   01-13-2015, 08:37 AM
Replies: 12,629
Views: 866,828
Posted By bwaslo
But then Erich would have to figure shipping on...

But then Erich would have to figure shipping on each package before the customer could place an order, and after Erich does that, a lot of folks won't buy (at least not just then) so it's wasted...
Forum: DIY Speakers and Subs   01-11-2015, 10:03 PM
Replies: 12,629
Views: 866,828
Posted By bwaslo
I think you forgot: - looks really cool.

I think you forgot:

- looks really cool.
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