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Multi-Way Conventional loudspeakers with crossovers

Anarchy 7 - Wavecor MTM Crossover
Anarchy 7 - Wavecor MTM Crossover
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Old 14th January 2019, 02:19 PM   #1
ODougbo is offline ODougbo  United States
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Default Anarchy 7 - Wavecor MTM Crossover

I'm having great results with the Renditions; can listen to them for hours on end and they always make everything sound just a bit more interesting.
That said, wanted to try the Wavecor tweeter version, and at the same time PE started supplying Wavecor.
Well all good, and had plenty of supplies to make a pair of MTM's with front port/BB boxes; similar to the Renditions with the larger Wavecor tweeter.

Now the stumbling block, no xo schematic.

Any ideas folks?


TW030WA11_12
[TWO30WA11-01]
Anarchy 7 inch woofer by Denovo Audio

**Boxes shown, no wires, xo, etc.
Attached Images
File Type: jpg Anarchy 7.jpg (194.0 KB, 589 views)
File Type: jpg MoreLight.jpg (59.4 KB, 586 views)

Last edited by ODougbo; 14th January 2019 at 02:26 PM.
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Old 14th January 2019, 02:43 PM   #2
paulys55 is offline paulys55  United States
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Pretty sure that's the same as the Apollo MTM from Diysoundgroup. Not sure if you could get or buy the schematic from them.
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Old 14th January 2019, 02:45 PM   #3
montana1 is offline montana1  United States
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Hi ODougbo,
You probably already know this is very similar to the Apollo MTM kit sold on diysoundgroup. My initial thought is to reach out to them or the actual designer, Pete Schumacher. Pete seems to be very active on Parts Express tech talk forum. I'm not sure how much information he will be inclined to share about the Xover schematic.

@paulys55 already posted the same suggestion.

Best,
Rich

Last edited by montana1; 14th January 2019 at 02:48 PM.
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Old 14th January 2019, 04:10 PM   #4
phivates is offline phivates  United States
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Timely appearance, Odougbo - your approach to the two way would address another thread here re "best" two way, smaller scale (not Altec 19). Yes MTM has its haters...and then another pair of anarchy woofs to anchor the bottom, a la Elsinore. Oh I forgot! 7" drivers cannot make bass.
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Old 14th January 2019, 05:54 PM   #5
manchambo is offline manchambo  United States
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Not to hijack the thread, but what do folks think of a 2 or 2.5 way of similar design, but with 4 or 6 of the anarchy woofers? Seems like lots of commercial speakers take a similar approach to increased low end response, and the pricing of the anarchy woofer is certainly attractive.
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Old 15th January 2019, 09:12 AM   #6
ODougbo is offline ODougbo  United States
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Pauly55, Montana1, Right I don't think the fellows over there are ready to let that design go, not right now anyway. ugh

MTM haters, yes I have heard that many times, but don't know why; MTM's are perfect for many setups. IDK about the base bottoms, the Anarchy is a very well made mid-bass, although they can go down to the 40's in a 1cf box (2 drivers).

Manchambo, there's a 2.5 design out on the web.

Now the xo, I guess this could use this for the woofers, works nicely. Wouldn't know what to use for the Wavecor.

New pic with better light.
btw,,,two snow days in a row, plenty of material = start a second pair.
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File Type: jpg MoreLight.jpg (71.0 KB, 487 views)
File Type: jpg HalfAXO.jpg (51.2 KB, 482 views)
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Old 17th January 2019, 12:03 PM   #7
ODougbo is offline ODougbo  United States
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I was thinking about this last night watching an action movie, wondering why anyone would need more than POW than this. Three front MTM's and two bookshelf Klipsch for the rear channel.
The big sub in the room sits, disconnected.


Quote:
Originally Posted by phivates View Post
Oh I forgot! 7" drivers cannot make bass.
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Old 17th January 2019, 01:58 PM   #8
plasnu is offline plasnu  United States
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Quote:
Originally Posted by ODougbo View Post
MTM haters, yes I have heard that many times, but don't know why;
I guess too many MTMs out there have a lobing issue.

Biro Technology
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Old 17th January 2019, 03:39 PM   #9
phivates is offline phivates  United States
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I would like to see an informed comment on the Biro analysis. I see only vertical lobing discussed, and no mention of diffraction effects...yes it is all about picking our poison but even a flawed design will let some of the music through, right?
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Old 17th January 2019, 06:16 PM   #10
plasnu is offline plasnu  United States
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Quote:
Originally Posted by phivates View Post
I would like to see an informed comment on the Biro analysis. I see only vertical lobing discussed, and no mention of diffraction effects...yes it is all about picking our poison but even a flawed design will let some of the music through, right?
Diffraction is not a MTM specific issue, right?

Anyway, after reading this article, I tried LR4 and BW3 at different frequencies with my MTM with active (digital) crossover. The comparison test was done with correction EQ to match the frequency response very precisely. In my circumstance, BW3 at a very low crossover point was most preferable as this article would suggest. MTM is very sensitive to filter, time alignment and crossover point, but coax or MTM is the only way to vice the image of instrument / vocal vertically still.
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