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Zilch's AK Design Collaborative - Econowave Speaker

The Barzilay EconoWave build:

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Steve O... said:
So your the guy who had my name when I signed up here, sorry dude:scratch2:

I guess Im lazy/unskilled/impatient and I was hoping to buy some that were already done :stupid:

Will these live with 300+ watts per channel???
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If he "had your name" when you signed up, then it is "his" name!

Russellc
 
Russellc said:
If he "had your name" when you signed up, then it is "his" name!

Russellc
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Well I agree but how the heck was supposed to know he's an active poster here:dunno:

Im on a lot of other forums under this name so I figured Id use it here...

Sometimes MY name is already taken but this is the first time I've ever had a problem:scratch2:

Not very original but it is my name... Steve O...
 
jhoyt said:
The Barzilay EconoWave build:

BWave_front.jpg
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Wow those look great! You beat me to it. I started mine last year but never finished them. Picked up some JBL 2223H's from Russell as my TAD's are going into the Valencia cabinets. Do you have the original slatted wooden grills?
 
DENNYDOG said:
Wow those look great! You beat me to it. I started mine last year but never finished them. Picked up some JBL 2223H's from Russell as my TAD's are going into the Valencia cabinets. Do you have the original slatted wooden grills?
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Sorry, the grills are neither wooden nor extant. They were plastic, and were as brittle as fine china. See ya later. Besides, my wife can't stand lattice grills, and these are gonna be centerpieces in the living room. She loves how they look now! :banana:

Also, the foam was glued on with Aileen's Tacky. It extends under the drivers for use as an integral gasket, and butts up against the port tubes and cabinet edges.

Thanks for the encouragement!
 
jhoyt said:
Sorry, the grills are neither wooden nor extant. They were plastic, and were as brittle as fine china. See ya later. Besides, my wife can't stand lattice grills, and these are gonna be centerpieces in the living room. She loves how they look now! :banana:

Also, the foam was glued on with Aileen's Tacky. It extends under the drivers for use as an integral gasket, and butts up against the port tubes and cabinet edges.

Thanks for the encouragement!
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Both doucanue and I have a pair of the same Barzilay cabinets with the wooden grills. They must have made a different style grill unless yours wasn't original. :scratch2:

I read back in the thread but couldn't find what woofer you used? I was also wondering it looks like you only have two wires going to your l-pad. Why is that?

Could you list your port sizes and lengths too? Just nice to have for a reference.

Denny
 
DENNYDOG said:
Both doucanue and I have a pair of the same Barzilay cabinets with the wooden grills. They must have made a different style grill unless yours wasn't original. :scratch2:

I read back in the thread but couldn't find what woofer you used? I was also wondering it looks like you only have two wires going to your l-pad. Why is that?

Could you list your port sizes and lengths too? Just nice to have for a reference.

Denny
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Maybe I had the ghetto model Barzilays. :D

I used a woofer pulled from a set of Scott S-196 speakers. Rubber surround, paper cone, seemed like a good set for now, until I can afford to pick up a pair of DC300's.

In a more-or-less 4.5 ft^3 box, I used two ports, 3" x 11.25". WinISD gave me a F3 at about 28 Hz with this arrangement.

For the L-pad wiring, I used a piece of IEC cord of 18x3.
 
I have one all together and wired up. Uh oh, there's no bass to speak of. I double-checked the x-overs twice (that's 4 checks...) when building them. Just one speaker is done, so there's no phase cancellation...any suggestions?
 
I wouldn't think this would make a huge difference but are the woofers phased correctly? Use a 1.5v battery. Touch the + of the battery to the + of the woofer and the cone should move outwards. That's the only thing I can think of unless your port lengths are way off.

Any specs for those woofers? I'm guessing probably not. Try plugging the ports with a pair of socks.
 
The woofers were OEM'ed by Rola Products. I contacted them for T/S specs, but they didn't have anything on these drivers. :nono: I actually designed these with DC300's in mind, and used their specs in WinISD. I just started dropping hints for a pair of DC300's for Christmas...we'll see what Santa brings me!
 
Do they have good bass with just the woofer connected direct?

If so, I'm thinking you need to dial the highs down to balance with that.... :yes:
 
Well, the bass is getting there. I think the woofers just hadn't been run for years, and the fibers (especially in the spider) tightened up. This explanation sounds good to me, but well may be complete garbage. But the midrange and treble -- oh my. OH MY! I haven't heard a soundstage and acoustic energy like that since wearing good headphones. I have to temper my enthusiasm a little bit, because I know everything's just breaking in. But I'm really looking forward to getting them placed in the room and letting them break in. But so far, so good.
 
jhoyt said:
Sorry, the grills are neither wooden nor extant. They were plastic, and were as brittle as fine china. See ya later. Besides, my wife can't stand lattice grills, and these are gonna be centerpieces in the living room. She loves how they look now! :banana:
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Your Barzilay's are different looking compared to what several members and I have but the interior construction looks the same. Regardless they are looking great! :thmbsp: Are you going to have any sort of grill on the front?

Will adding more fiberglass fill help with the bass? I used fill on the four sides and the back. If you weren't going to do so already I'd extend the 1x1 pieces that the rear baffle attaches to so you can have a complete seal. Use weather stripping to seal the baffle.
 
Gordon, those are made by Rola, I found 'em in a pair of Scott S-196 (along with Philips tweeters waiting for a project...).

Duff, I'm planning on leaving these grille-less. The front baffle is 1/4" foam, so it looks clean and ought to mitigate spurious reflections (was that just audiobabble?). I did layer fiberglass insulation on 4 sides and the rear baffle. The airtightness of the rear is the only consideration right now. It's pretty good, but not perfect. I have some silicone caulk to squirt into cracks and whatnot to get these sealed up tight.

The bass is starting to open up, and sound more natural.

Believe it or not, these speakers have a very high WAF--she loves 'em! I tell ya, she's beautiful, she's a wonderful cook, and she likes my speakers. I think I've got it made. :thmbsp:
 
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