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Zilch's AK Design Collaborative - Econowave Speaker

Rob is going eWave??? :beatnik: I missed it, what components and cabs are you going to use?

I am using these.(see below) Nice cabinets. They had a Pioneer mid and a Realistic tweeter and sounded like crap. Because of the driver alignment, I figured a 12" waveguide would be an easy fit.

I already bought the Zilch crossover boards.
I am using the woofers in the pic. At least for now.
I will use the Dayton waveguide.

It seems like a fun project.

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Rob
 
Anyone have thoughts on the Peerless SLS 830669 for a woofer? Does this look serviceable at the top end?
 

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Hey Zilch

Have you tried your 2431's on the QSC horns?

If you have do they perform better than the JBL1010's
 
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Dayton Round WaveGuide

Hi guys

Has anyone tried these? http://www.parts-express.com/pe/showdetl.cfm?Partnumber=270-312

I got a couple of them as a father's day gift. They sound natural. The mid seems a little forward. The sound, to my ears anyways, actually "resemble" some high end horn speakers. I really like them a lot.

I think Danny was going to try them last year. I wonder if he posted the result here. The thread is so long it's impossible to read it through anymore.

Anyways, I am enjoying my enonowaves.

MrTT
 
I am using these.(see below) Nice cabinets.

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Rob

Those cabs look great Rob. If I were you I'd cut a second baffle and rabbit holes for the waveguide and woofer in order to get everything flush mounted to mitigate distortion from edge refraction. I'd also bring that woofer up off the floor on the replacement baffle for better driver integration. :thmbsp:​
 
E-waver #88 UPDATE

I've been enjoying my e-waves for the past few months and have not had the time to get them to where I really wanted them. With travel, work and life I had a few irons in the fire.

Once I had a week and a half window I stripped the HD77 cabs, cherry stain, and 5 coats of sanding and poly later they look pretty good. I was not interested in taking them back to furniture grade cabs but simply wanted them to look good. I also updated to the 300-8 Dayton driver - all I can say is wow. With the cabs stuffed with closed cell and poly fill the mid range returned and the bass is there and very tight.

I hand built grill frames with 1" dowel stand-offs. They are held to the faces via rare-earth magnets.

I've been driving them with 10 watt flea tube amps and they really shine.

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Once I had a week and a half window I stripped the HD77 cabs, cherry stain, and 5 coats of sanding and poly later they look pretty good. I was not interested in taking them back to furniture grade cabs but simply wanted them to look good.
I'd be proud to have those in MY living room!

Nice job.... :thmbsp:
 

Those cabs look great Rob. If I were you I'd cut a second baffle and rabbit holes for the waveguide and woofer in order to get everything flush mounted to mitigate distortion from edge refraction. I'd also bring that woofer up off the floor on the replacement baffle for better driver integration. :thmbsp:​

:scratch2: Not a bad idea. I just may try that. Thanks for the tip.

Rob
 
 

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The AR-3a is interesting but hardly a surprize to followers of this thread. I suppose any number of vintage (and modern) speakers will looks as bad or worse regardless of the reputed/percieved "goodness".
So, speakers with great directivity control that sound like poo?
Any examples come to mind?
 
The AR-3a is interesting but hardly a surprise to followers of this thread.
We've had an ongoing debate for over a year on another forum as to the virtues of wide versus narrow dispersion (which I have no desire to start up here), with others maintaining that nobody has ever matched, let alone bettered, the performance of Villchur's AR3a. Early insight revealed that wide-dispersion constant directivity was a primary design objective. "BAH," says Zilch, "Trivial; I can beat it, 2-way, even, using a cheapo modern waveguide."

"Prove it!" says them.... :tongue:

690025/11058=62.4005​
 
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I finally got all of my parts in on Tuesday. I picked up a pair of horns from MCM last week, so I was only waiting on PE to send me the inductors/chokes. I assembled the whole thing on perfboard and stuffed the cabs with some fiberglass insulation, removing and adding some until I got enough bass.

First listening impressions last evening were kind of blah. I could see that there was somewhat improved sound, in that the Advent tweeters were never the greatest, so the compression drivers did sound better, but bass was muddy/absent, and it all sounded a bit lifeless. Tonight I sealed around the drivers and played them for a couple hours while I left the room-now they sound GREAT. The horns really give even sound all over my room, which was a problem with the Advents, which only had a really small sweet spot in my crappy house. Now I get great even sound and can ID both channels anywhere in the room. Why the improvement? Maybe sealing up the cabinet, or the fact that I hadn't played the refoamed woofers until yesterday, or the crossovers needed to break in a bit. If it was all about break in, it didn't take too long with these. VERY pleased to have done this.

If you're thinking about doing this and already have pretty decent speakers, you won't be floored by the difference, but you will come to enjoy just how subtle they are in improving your listening experience, and they are now going to be my main speakers for a long while now.
 
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