Reed Exodus Anarchy 25hz Tapped Horn - Page 25 - AVS Forum
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post #721 of 824 Old 06-17-2013, 07:47 PM
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That is the correct driver.
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post #722 of 824 Old 06-17-2013, 07:50 PM
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Quote:
Originally Posted by diaz View Post

Could I add another speaker to the horn? There is space for another speaker there.. Thanks

Nope. This horn has room for one driver.

There is more to it than physically making the driver fit, the volume and rate of the expansion of the horn flare has to be appropriate for the driver too.
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post #723 of 824 Old 06-18-2013, 04:59 AM
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Quote:
Originally Posted by whoiswes View Post

Isn't this the right driver?

http://www.diycable.com/main/product_info.php?products_id=538

I'm also thinking of building a few for my home office.

I thought I read that the driver was no longer available. Thanks for the correction.
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post #724 of 824 Old 06-18-2013, 07:28 AM
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Quote:
Originally Posted by LTD02 View Post

"Deep and smaller sized, instead of loud and large."

the whole point of a horn is loud and large.

if you want deep and small, go with a sealed or passive radiator, lots of driver, and lots of amp.

Isn't the point of the Anarchy tapped horn is to have deep extension and reasonable smaller size? Thats why Lil Mike suggests multiples of the Anarchy if you want more output?
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post #725 of 824 Old 06-18-2013, 11:16 AM
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"Isn't the point of the Anarchy tapped horn is to have deep extension and reasonable smaller size? Thats why Lil Mike suggests multiples of the Anarchy if you want more output?"

it doesn't matter what the design is, horns have limitations just like every other design.

there is no magic in tapped horns despite what some may claim, so don't get fooled.

the primary advantage of a subwoofer tapped horn is about a +6db increase in low end sensitivity and maximum spl
relative to a ported enclosure using the same driver, but the tapped horn tends to be at least twice
as large in order to realize such gains.

for a small enclosure, 2 cubic feet, like the anarchy tapped horn, sensitivity will be quite limited.
in this case it is around 87 db 1w1m across the bass. you can get that same level of sensitivty
in a larger ported enclosure using a cheap 12" bass driver like the infinity reference 1262w.

the anarchy is excursion limited to the 12.5 mm xmax of the driver at 38hz in the horn.
the spl limit at that level is 106db.

the infinity reference is not excursion limted with a 28hz tuning up to 500 watts
where it will be producing 115db at the same 38hz.

so in this case, i would say that the exodus anarchy horn gets slaughtered by the ported infinity reference
because the infinity can take more power before running out of gas.

so why are horns popular. well, back when the horn was designed, i'm not sure there were quite as many
cheap driver options, so getting the most out of each driver was an admirable design goal.

second, the form factor of this particular horn fits quite nicely into many rooms. no volume is required
for a port either. whether that is worth the tradeoff in performance is a decision that each person has
to make for themselves. to overcome the 9db disadvantage in excursion limited spl, you would need roughly three
anarchy horns to equal one infinity ported.

a ported anarchy by itself is pretty weak with about 83db 1w1m sensitivty and excursion limited spl of
around 104db at 42hz. so compared to the anarchy driver in a ported, the horn design kicks butt. compared
to what you can do with another design, maybe not so much.

Listen. It's All Good.
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post #726 of 824 Old 06-18-2013, 03:28 PM
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Quote:
Originally Posted by diaz View Post

Could I add another speaker to the horn? There is space for another speaker there.. Thanks

No. You would have to refold the horn if you wanted to add another driver to the design.

[Edit]Opps, I didn't see that lilmike already answered this. Sorry for the double post[/EDIT]

Chris

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--Despair, Inc. "Regret"

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post #727 of 824 Old 06-18-2013, 04:00 PM
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I want a pair of these for my desktop PC gaming rig, quite a few of these would be needed to match my HT setup...

Mike
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post #728 of 824 Old 06-19-2013, 05:33 AM
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Can this be built a bit wider to accomodate an 8" driver like the Dayton DCS205?

Thanks
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post #729 of 824 Old 06-19-2013, 05:34 AM
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Quote:
Originally Posted by lilmike View Post

Nope. This horn has room for one driver.

There is more to it than physically making the driver fit, the volume and rate of the expansion of the horn flare has to be appropriate for the driver too.

What about two speakers side-by-side and double the horn width?
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post #730 of 824 Old 06-19-2013, 02:09 PM
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if you put two of the horns side-by-side facing the same direction, then remove the panels in between the two
in order to create a single dual driver horn, that will work.

but, then you probably need to put some bracing back in anyway, so i'm not sure that you gain much that way.

Listen. It's All Good.
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post #731 of 824 Old 06-19-2013, 02:32 PM
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Quote:
Originally Posted by diaz View Post

What about two speakers side-by-side and double the horn width?

It will work, but the result is not the same rate of expansion as the single horn.

It will definitely need bracing though.
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post #732 of 824 Old 06-19-2013, 05:27 PM
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Ok thank you guys! Steep learning curve biggrin.gif
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post #733 of 824 Old 07-07-2013, 07:37 PM
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post #734 of 824 Old 07-08-2013, 07:06 AM
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Quote:
Originally Posted by Tank6585 View Post

Would these little plate amps work?
http://www.parts-express.com/pe/showdetl.cfm?partnumber=300-782
IMO you should go with a bigger amp. Lets say you are pushing it to the 25 watts, or the 15 watts @ 8 ohm. At the same power, the bigger amp will have more headroom and lower distortion, which is a especially important for HT.
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post #735 of 824 Old 07-08-2013, 11:17 AM
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Quote:
Originally Posted by Michael Mitten View Post

IMO you should go with a bigger amp. Lets say you are pushing it to the 25 watts, or the 15 watts @ 8 ohm. At the same power, the bigger amp will have more headroom and lower distortion, which is a especially important for HT.
Thanks, I will get a better amp.

Also, would this box benefit from 3/4 inch or would it throw the tune out of wack?
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post #736 of 824 Old 07-08-2013, 11:35 AM
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Quote:
Originally Posted by Tank6585 View Post

Thanks, I will get a better amp.

Also, would this box benefit from 3/4 inch or would it throw the tune out of wack?

You need to re-fold the horn for a 3/4 version. However it was designed quite solid at 1/2" if you use real baltic birch.. I would stick to the plans.
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post #737 of 824 Old 07-09-2013, 05:36 AM
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Quote:
Originally Posted by whoiswes View Post

Isn't this the right driver?

http://www.diycable.com/main/product_info.php?products_id=538

I'm also thinking of building a few for my home office.

Driver is down to $49.95 now....
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post #738 of 824 Old 07-09-2013, 11:22 PM
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Quote:
Originally Posted by Face2 View Post

I believe we need enough interest for 70 kits for these to be produced again.

What's the consensus? I'm in for two.

Also in for two.
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post #739 of 824 Old 07-10-2013, 01:07 AM
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Quote:
Originally Posted by whoiswes View Post

Driver is down to $49.95 now....

I wonder how many are left???
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post #740 of 824 Old 07-10-2013, 09:28 AM
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Quote:
Originally Posted by crabra View Post

I wonder how many are left???

Just bought 2 Monday, haven't shipped yet..
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post #741 of 824 Old 07-10-2013, 10:48 AM
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Last time I didn't receive notification that they shipped, they just arrived about a week later.

Mike
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post #742 of 824 Old 07-14-2013, 02:58 AM
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Testing....

First time using 1/2" Natural Vertical Bamboo Plywood (3 plys). It's really nice to machine & it's EXACTLY .5" (12.7mm) Almost ready to close up the sides. Going to machine the (3) 1/2" clear pieces (back access panel & 2 window view on the sides)








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post #743 of 824 Old 07-14-2013, 08:42 AM
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Originally Posted by layertone View Post

Testing....

First time using 1/2" Natural Vertical Bamboo Plywood (3 plys). It's really nice to machine & it's EXACTLY .5" (12.7mm) Almost ready to close up the sides. Going to machine the (3) 1/2" clear pieces (back access panel & 2 window view on the sides)

Very impressive, I'm attempting my build of these boxes this week. I only have a simple table saw and hope the cuts will come out clean.
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post #744 of 824 Old 07-15-2013, 09:11 AM
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Quote:
Originally Posted by layertone View Post

Testing....

First time using 1/2" Natural Vertical Bamboo Plywood (3 plys). It's really nice to machine & it's EXACTLY .5" (12.7mm) Almost ready to close up the sides. Going to machine the (3) 1/2" clear pieces (back access panel & 2 window view on the sides)









Wow!
Nice work!
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post #745 of 824 Old 07-15-2013, 10:03 AM
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+1!!!!! Very nice work. It's great to see someone execute a furniture grade version of this nice little sub. I have a couple of the original kits which were easy to assemble. However the bamboo would seem to be the best possible material for this build due to its exceptional stiffness.
Did you need special tools to machine the bamboo plywood? The purpleheart inlay is very nice. Must be very detail oriented to pull that off.smile.gif
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post #746 of 824 Old 07-15-2013, 12:25 PM
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Thank you Tank6585, Lilmike & rajacat. First time sinking my tools into this type of material & it's fantastic! The key is to have absolutely sharp carbide tools, I used a "compression" router bit for clean top & bottom edges.
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post #747 of 824 Old 07-16-2013, 09:14 AM
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Quote:
Originally Posted by layertone View Post

Thank you Tank6585, Lilmike & rajacat. First time sinking my tools into this type of material & it's fantastic! The key is to have absolutely sharp carbide tools, I used a "compression" router bit for clean top & bottom edges.

Wait...you did that BY HAND????

I would have assumed that was all CNC! How did you layout the side panels so that the rabbets lined up so precisely? That is amazing work!
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post #748 of 824 Old 07-16-2013, 11:19 AM
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Thank you whoiswes; Most "hand" work was moving & clicking the mouse. Yes it is CNC smile.gif The .25" datios / rabbet depths are actually .52" in width allowing .01" clearance on both sides.
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post #749 of 824 Old 07-18-2013, 06:01 AM
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OK, I finally pulled the trigger on two of the subs. However, the PDF in the OP no longer seems to be available (getting an AJAX error so I'm guessing the attachment has been removed from the backend). Anyone have a copy available they could attach or link to???
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post #750 of 824 Old 07-18-2013, 06:39 AM
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I'm guessing this one, but not sure if it's the most current revision [A01]: Exodus Anarchy 25hz TH.pdf 465k .pdf file

GM
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File Type: pdf Exodus Anarchy 25hz TH.pdf (465.5 KB, 60 views)

Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.
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