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Forum: DIY Speakers and Subs   09-15-2014, 08:25 AM
Replies: 42
Views: 661
Posted By bwaslo
Hopeful, Try putting a small capacitor ~4uF...

Hopeful,

Try putting a small capacitor ~4uF (with maybe a low valued resistor in series with it) across L3. Tweak the L,C and R, you should be able to get the breakup down some. You REALLY don't...
Forum: DIY Speakers and Subs   09-13-2014, 04:02 PM
Replies: 42
Views: 661
Posted By bwaslo
Well, another biggie is the impedance curve of...

Well, another biggie is the impedance curve of the speaker system. Don't let it get too low at any frequency. If you use a tube or Zen amp to drive it, get the impedance curve as flat (and high) as...
Forum: DIY Speakers and Subs   09-13-2014, 01:46 PM
Replies: 42
Views: 661
Posted By bwaslo
Fred, You don't want to measure delay with a...

Fred,

You don't want to measure delay with a ruler. It should really be done acoustically (unless the measurement system does exact delay), using the 3-measurement method (tweeter, woofer, both...
Forum: DIY Speakers and Subs   08-31-2014, 02:14 PM
Replies: 11,164
Views: 732,076
Posted By bwaslo
But, "sounding accurate" is a subjective thing,...

But, "sounding accurate" is a subjective thing, isn't it?
"Measuring accurate" is maybe objective (but still requires subjective choices between what characteristics are assumed to make it...
Forum: DIY Speakers and Subs   08-31-2014, 10:12 AM
Replies: 11,164
Views: 732,076
Posted By bwaslo
A while back I did an "EconoSEOS" crossover...

A while back I did an "EconoSEOS" crossover design for people going it alone, on different woofer/tweeter pairs, but without measurement ability. Erich decided not to do it as a DIYSG project/kit...
Forum: DIY Speakers and Subs   08-26-2014, 11:53 AM
Replies: 18
Views: 758
Posted By bwaslo
What I mean is, sit in the right-most seat that...

What I mean is, sit in the right-most seat that will ever be used (closest to the right speaker). Then toe-in the right speaker toward your left till the edge of the opening of the compression...
Forum: DIY Speakers and Subs   08-26-2014, 11:30 AM
Replies: 570
Views: 34,503
Posted By bwaslo
Price range: sorry, no idea, you'll have to ask...

Price range: sorry, no idea, you'll have to ask Erich. "Not cheap" is all he told me (he probably doesn't know yet since shipping from overseas is such a wild variable).

Dispersion: it's not a...
Forum: DIY Speakers and Subs   08-26-2014, 10:59 AM
Replies: 570
Views: 34,503
Posted By bwaslo
That would be Sir Maximus

That would be Sir Maximus
Forum: DIY Speakers and Subs   08-22-2014, 12:14 PM
Replies: 18
Views: 758
Posted By bwaslo
I've had best result with it set up so the...

I've had best result with it set up so the rightmost seat can just "see" the opening of the compression driver of the right SEOS. (And leftmost seat....the left SEOS).
Forum: DIY Speakers and Subs   08-22-2014, 10:00 AM
Replies: 570
Views: 34,503
Posted By bwaslo
Yesterday I had a chance to hear Erich's new, not...

Yesterday I had a chance to hear Erich's new, not yet available, high-end dual-concentric drivers (after doing some first-shot crossovers for them). There are 8 inch and 6.5 inch versions, both...
Forum: DIY Speakers and Subs   08-14-2014, 05:15 PM
Replies: 11,164
Views: 732,076
Posted By bwaslo
Erwin, One of the design points of SEOS is...

Erwin,

One of the design points of SEOS is to not HAVE to do that. Separate tweeters mean lobing issues, the SEOS horns (because they are 1" types that function down into the midrange) allow most...
Forum: DIY Speakers and Subs   08-07-2014, 01:50 PM
Replies: 375
Views: 75,144
Posted By bwaslo
Could something like this be made and shipped...

Could something like this be made and shipped cheaply? --


Start from ~1" thick stiff foam sheets. One dimension up to maybe about 8" wide and having the pseudo-random pattern cut inward on...
Forum: DIY Speakers and Subs   08-01-2014, 08:02 AM
Replies: 20
Views: 834
Posted By bwaslo
About a year in spare moments (including about...

About a year in spare moments (including about 4mos in the hospital! Work in that period slowed by heavy pain meds.).
Forum: DIY Speakers and Subs   07-30-2014, 10:46 AM
Replies: 20
Views: 834
Posted By bwaslo
I think I know what's happening on the Tuning...

I think I know what's happening on the Tuning window there. If the mouse isn't in the tune window (or on the part being tuned) and nothing has been tuned in some seconds, the tuning window closes. ...
Forum: DIY Speakers and Subs   07-30-2014, 10:12 AM
Replies: 20
Views: 834
Posted By bwaslo
Mark, I'm not seeing that mouse hopping (or tune...

Mark, I'm not seeing that mouse hopping (or tune window closing) you mention. Can you tell me what version of Windows you are using, it might have something to do with that. Development was...
Forum: DIY Speakers and Subs   07-30-2014, 10:08 AM
Replies: 20
Views: 834
Posted By bwaslo
Thanks, Mark (and everyone else, too!). The...

Thanks, Mark (and everyone else, too!).

The program does have a financial aspect, though. While free to users, I'm planning to "rent" use of the program to feature vendors' parts/drivers at a...
Forum: DIY Speakers and Subs   07-30-2014, 08:01 AM
Replies: 20
Views: 834
Posted By bwaslo
XSim, a free schematic-based crossover designer

I'm announcing the public release of XSim, a "free-form" Windows-based passive crossover design and simulation program intended to be as intuitive and non-restrictive as possible. . The program is...
Forum: DIY Speakers and Subs   07-21-2014, 02:58 PM
Replies: 1,894
Views: 87,838
Posted By bwaslo
Nah, I like surround, it's center channel I'm not...

Nah, I like surround, it's center channel I'm not feeling much need for. Even that might change if I get to a way to do it easily. Yeah, I stll may roll my own. My previous were my own (made with...
Forum: DIY Speakers and Subs   07-21-2014, 10:54 AM
Replies: 1,894
Views: 87,838
Posted By bwaslo
Hey Tux, Have you done any polar...

Hey Tux,

Have you done any polar measurements on the 1099 you can post (or if you already did, can you give a link)? I have to figure out rear channels for my setup at some point, Synergies are a...
Forum: DIY Speakers and Subs   07-20-2014, 06:40 PM
Replies: 1,048
Views: 50,000
Posted By bwaslo
No. Just most measurements are easily tracked to...

No. Just most measurements are easily tracked to what audible effects (if any) they result in. Lots of things to measure, have to figure out which are important.
Forum: DIY Speakers and Subs   07-20-2014, 06:39 PM
Replies: 1,048
Views: 50,000
Posted By bwaslo
Actually, the (considerably cheaper) Eminence 12"...

Actually, the (considerably cheaper) Eminence 12" woofer we used sounded a LOT better (to me). The whole speaker sounds quite good now (not just loud). Could see no difference in distortion...
Forum: DIY Speakers and Subs   07-18-2014, 02:53 PM
Replies: 439
Views: 20,904
Posted By bwaslo
Hmm. Since the woofers aren't actually being...

Hmm. Since the woofers aren't actually being horn-loaded, I wonder why they can't just make standoff rings to move the drivers a couple tenths of an inch further out from the port?
Maybe it...
Forum: DIY Speakers and Subs   07-03-2014, 06:57 AM
Replies: 18
Views: 740
Posted By bwaslo
A lot of the SEOS designs (mine, at least) leave...

A lot of the SEOS designs (mine, at least) leave the woofer box volume as an open variable. You can make the box bigger (towers is a good way) to dig deeper in most cases. Get yourself the...
Forum: DIY Speakers and Subs   07-01-2014, 08:37 AM
Replies: 11,164
Views: 732,076
Posted By bwaslo
Not bad. But I've already settled on naming my...

Not bad. But I've already settled on naming my next "ChickMagnet".
Forum: DIY Speakers and Subs   06-30-2014, 06:41 AM
Replies: 1,048
Views: 50,000
Posted By bwaslo
Uhh... yeah, a bit.

Uhh... yeah, a bit.
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