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Search: Keyword(s): ; Posts Made By: bwaslo
Forum: DIY Speakers and Subs   12-30-2015, 11:25 PM
Replies: 2,165
Views: 191,080
Posted By bwaslo
That's kind of opposite of the issue most people...

That's kind of opposite of the issue most people have had with Win8, but a couple of things needed when running in Win 8:
1) Actually, this is neeeded in all Windows; go to the system audio...
Forum: DIY Speakers and Subs   12-28-2015, 11:34 PM
Replies: 170
Views: 4,201
Posted By bwaslo
This will probably come of as arrogant and...

This will probably come of as arrogant and condescending to some people, but I think that the reasons people play around with swapping cables and power cords are because
(1) they want to change...
Forum: DIY Speakers and Subs   12-07-2015, 10:26 PM
Replies: 1,279
Views: 83,815
Posted By bwaslo
You may at some time find yourself saying "what...

You may at some time find yourself saying "what did you say?" a lot in conversation....
Forum: DIY Speakers and Subs   12-02-2015, 08:59 PM
Replies: 2,165
Views: 191,080
Posted By bwaslo
On getting waterfall data at low frequencies: ...

On getting waterfall data at low frequencies:

Look at your impulse response graph, and notice the part that is marked in red. That is the only data that is used for calculating CSD waterfall (or...
Forum: DIY Speakers and Subs   11-16-2015, 01:27 AM
Replies: 19
Views: 400
Posted By bwaslo
Wow, I guess I should feel honored. The text on...

Wow, I guess I should feel honored. The text on that web site, and some of the illustrations, are lifted verbatim from stuff on my site about 15 years ago!
Looks like it's still there --...
Forum: DIY Speakers and Subs   09-22-2015, 12:42 AM
Replies: 43
Views: 899
Posted By bwaslo
Nope. I do the 'just screw the d$#%$ screws into...

Nope. I do the 'just screw the d$#%$ screws into the plywood and call it done'. Kind of what woodnscrews were designed to do, and they do it very well as far as I've been able to tell. :)
Forum: DIY Speakers and Subs   09-19-2015, 09:15 AM
Replies: 43
Views: 899
Posted By bwaslo
I had my edifying experience with t-nuts long...

I had my edifying experience with t-nuts long ago. Particularly bad if they get hold of stuffing inside the box. Never again.

IMO t-nuts are a seemingly high quality solution for a non-existent...
Forum: DIY Speakers and Subs   08-05-2015, 08:11 PM
Replies: 2,165
Views: 191,080
Posted By bwaslo
Don't forget to set it for 2channel mode. Later...

Don't forget to set it for 2channel mode. Later Windows default to single channel.
Forum: DIY Speakers and Subs   08-04-2015, 08:52 PM
Replies: 2,165
Views: 191,080
Posted By bwaslo
For C channel (or any except L and R), you need...

For C channel (or any except L and R), you need to use the DVD test disc. Or disconnect unwanted speakers. CDs can only do L or R...
Forum: DIY Speakers and Subs   08-04-2015, 08:50 PM
Replies: 2,165
Views: 191,080
Posted By bwaslo
Yes

Yes, see the note about operation in Windows 8 in Help. Essentially, it comes down to: Run omnimic in WinXP SP3 compatibility mode. Win8 screws up input levels with USB mics (and throws away...
Forum: DIY Speakers and Subs   07-27-2015, 07:32 PM
Replies: 17
Views: 526
Posted By bwaslo
Another thing to consider if a special waveguide...

Another thing to consider if a special waveguide is made is that the BA750 is one heavy SOB. In a collision between the 750 and most woofers, the woofer would be flattened. So special work might be...
Forum: DIY Speakers and Subs   07-03-2015, 06:45 PM
Replies: 2,165
Views: 191,080
Posted By bwaslo
Use the tab (device) called "frequency response"....

Use the tab (device) called "frequency response". Play the SHORT SWEPT SINE TONE (nothing else will work!!!). Put the mic where you want to measure. If the curve moves around at low frequencies,...
Forum: DIY Speakers and Subs   06-05-2015, 02:00 PM
Replies: 914
Views: 36,095
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, 02:24 PM
Replies: 9
Views: 394
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, 03:30 PM
Replies: 12,708
Views: 889,275
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, 03:10 PM
Replies: 12,708
Views: 889,275
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, 02:49 PM
Replies: 12,708
Views: 889,275
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, 02:45 PM
Replies: 890
Views: 20,402
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, 02:47 PM
Replies: 53
Views: 2,076
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, 02:07 PM
Replies: 351
Views: 14,345
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, 02:46 PM
Replies: 46
Views: 1,408
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, 05:20 PM
Replies: 12,708
Views: 889,275
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, 02:09 AM
Replies: 46
Views: 1,408
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, 07:08 PM
Replies: 46
Views: 1,408
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, 10:55 PM
Replies: 1,353
Views: 96,559
Posted By bwaslo
Dang, that looks nice...

Dang, that looks nice...
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