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Multi-Way Conventional loudspeakers with crossovers

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Old 23rd January 2012, 11:13 PM   #2101
Verasl is offline Verasl  New Zealand
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Hey guys,

Love all these designs on here, this forum has been a great source of information in regards to speaker design and creation.

I've played around with speakers a little over the years but nothing too serious, but recently I had a go at creating a set of 3-way speakers that fit my room a little better than the polk audio tsi-500's I had brought when I was flatting in a much larger room.

The project has to be one of the hardest things I have made, mainly because the lack of tools and some of the cuts I wanted to do.

Now as much as I studied do's and dont's on here I believe there are probably a few things people on here will scream at but I had the design nestled in my head and me being more of an artist chose looks over functionality, tho in saying this I am extremely happy with the sound out of these.

All the drivers are cheap random brands such as response and skytronics, proper drivers seem to be marked up a fair bit here in NZ so I couldn't afford the high end drivers seen on here but they do the job fine.

So it's a 3-way system with a passive crossover at 1200 and 5400, the bass driver is a response 8inch paper woofer which is in a 44L ported enclosure with the port firing down. The midrange is a 5.25inch sealed midrange, hence I have not made and enclosure for them and the tweeter is a 1inch titanium dome tweeter(also response).

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Old 24th January 2012, 02:54 AM   #2102
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They are really a lovely pair of speakers! Kudos to you. I can imagine they sound very open and airy.
When you save your coin up a bit, I would change the jaycar electrolytic caps in the crossover to some nice metal film caps, and the inductors to copper foil. It really makes a big difference.
Apart from that you have done a superb job on them.
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Old 24th January 2012, 05:21 PM   #2103
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How did you make the waveguide for the tweeter with limited tools?
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Old 24th January 2012, 08:04 PM   #2104
Verasl is offline Verasl  New Zealand
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Quote:
Originally Posted by kipman725 View Post
How did you make the waveguide for the tweeter with limited tools?
First I cut a 1" hole with a hole saw drill bit, then drew a larger hole in which I began to slowly chisel out to making sure not to chisel out the inner diameter, then just lots of sanding, its not perfect but looks good from a distance and in the right lighting.
The bass driver hole I managed to do with a jigsaw on a 45degree angle, and lots of patients.
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Old 25th January 2012, 05:30 AM   #2105
navin is offline navin  India
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Quote:
Originally Posted by Verasl View Post
First I cut a 1" hole with a hole saw drill bit, then drew a larger hole in which I began to slowly chisel out to making sure not to chisel out the inner diameter, then just lots of sanding, .. and lots of patients.
Excellent workmanship. True labour of love.
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Old 25th January 2012, 10:52 AM   #2106
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no ports on the spekers. modified cambridge audi azure340a.
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Old 26th January 2012, 02:27 AM   #2107
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Very nice Verasl.
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Old 26th January 2012, 08:33 AM   #2108
lowpoke is online now lowpoke  Australia
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Originally Posted by McCormack View Post
Very nice Verasl.
I agree. You've done a fine job.
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Old 27th January 2012, 04:46 PM   #2109
beneeh is offline beneeh  Indonesia
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Originally Posted by Dr.EM View Post
Very nice! Sealed or ported? I'm using single M8a drivers per side, sealed, strong punchy bass and surprising extension. How do you find the sound and bass on these?
Thanks. It's sealed. Originally the plan was to build a 4 way speaker, but since it's a pre-ordered then we changed the design this way so that it can be easily driven without stress by power amp used by the person order it, which is not more than 100wpc. Yes, the result is as expected, for 88db sealed speaker driven by 100wpc the bass is quite strong, punchy and deep as well..
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Old 27th January 2012, 08:37 PM   #2110
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Originally Posted by R-Carpenter View Post
Statements
Design by Jim Holtz and Curt Campbell Thanks guys!

Build by me and Alex.
Subwoofer is a Dayton 390hf in a 4.5ft3 sealled.
Veneer: Brazilian Rosewood.
Complete build here: super Statement or the Statement's Statement! - Techtalk Speaker Building, Audio, Video, and Electronics Customer Discussion Forum From Parts-Express.com

Completly insane! One of the best DIY-Speakers-Builds I've ever seen! Thanks for sharing so many pics!
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