Dual Othorn build - Page 4 - AVS Forum | Home Theater Discussions And Reviews
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post #91 of 268 Old 08-19-2013, 08:55 PM - Thread Starter
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Ok, got about an hour in with just one playing...wowzers!!

Josh is right, this has a very "neutral" sound, very crisp. It's also very efficient, and has no issue maxing the SPL meter at any frequency 30hz and up with just one.

It's also very efficient. With two Ghorns, I have the receiver sub out at -8db. With all the gains and volume knobs in the same position, I have one othorn at -10db, so with two I'll need to turn the gains down on the amp.

I'm very impressed, this thing slams. I was contemplating replacing a single clone with two CV-5000 amps, one per Othorn, but the clone is far more than adequate in 4ohm stereo to push these.

I can understand Josh doubling the bracing. The Ghorns and these generate MASSIVE cabinet pressures. It's unreal.

I'm done building subs for now smile.gif
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post #92 of 268 Old 08-20-2013, 01:58 AM
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Just curious of how you will have them all setup in your room? Any pics?
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post #93 of 268 Old 08-20-2013, 07:28 AM - Thread Starter
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Originally Posted by chrapladm View Post

Just curious of how you will have them all setup in your room? Any pics?

I'll have to move the Ghorns to the back off the room.

I'll post some pictures tonight.
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post #94 of 268 Old 08-20-2013, 09:57 PM - Thread Starter
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post #95 of 268 Old 08-20-2013, 10:07 PM
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Quote:
Originally Posted by lukeamdman View Post

I'll have to move the Ghorns to the back off the room.

That is a first world bass problem right there. biggrin.gif

Seriously nice job with the builds.
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post #96 of 268 Old 08-20-2013, 10:57 PM
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Best. Center. Channel. Ever.
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post #97 of 268 Old 08-20-2013, 11:08 PM
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YOU NEED A BIGGER ROOM. smile.gif

really great builds and fun thread to follow along.

Listen. It's All Good.
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post #98 of 268 Old 08-21-2013, 07:24 AM - Thread Starter
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post #99 of 268 Old 08-21-2013, 08:50 AM
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Looks great Luke...You are crazy with all that in what looks like a not very big room. If the Othorns don't rock your face in there I don't know what to tell you bro.

If you want to try something really fun put one of the Othorns in the cargo hold of an SUV and strap a decent sized car amp to it. cool.gif
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post #100 of 268 Old 08-21-2013, 05:26 PM
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Quote:
Originally Posted by lukeamdman View Post

My apologies ahead of time for the craptastic phone pictures...


So what's the XL toilet paper roll for, when that earthquake-inducing amount of bass spontaneously empties your bowels?

If you take yourself too seriously, expect me to do the exact opposite
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post #101 of 268 Old 08-21-2013, 05:29 PM - Thread Starter
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So what's the XL toilet paper roll for, when that earthquake-inducing amount of bass spontaneously empties your bowels?

There's a suspended ceiling, or what I like to call a dust manufacturing ceiling, in that room. The bass literally makes it rain, so I'm constantly wiping down my gear.
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post #102 of 268 Old 08-21-2013, 06:03 PM
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Originally Posted by lukeamdman View Post

The bass literally makes it rain, so I'm constantly wiping down my gear.

Wiping your gear or your rear? biggrin.gif

If you take yourself too seriously, expect me to do the exact opposite
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post #103 of 268 Old 08-21-2013, 06:44 PM
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Please excuse my ingnorance , but did you not build 2 of these exactly the same. I see only one big one ? Or did you build one big and one small.

Nice job BTW
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post #104 of 268 Old 08-21-2013, 07:58 PM - Thread Starter
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Please excuse my ingnorance , but did you not build 2 of these exactly the same. I see only one big one ? Or did you build one big and one small.

Nice job BTW

There are two big and two small. In those pictures there are two in the front of the room and two behind the couch.
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post #105 of 268 Old 08-21-2013, 08:00 PM - Thread Starter
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post #106 of 268 Old 08-21-2013, 09:10 PM
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have you experimented yet with a high crossover point to your mains? seems like the ots might hold a slight midbass advantage over those guys. :-)

edit: or is the top end a little squirrelly since they are tapped horns?

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post #107 of 268 Old 08-21-2013, 09:24 PM
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Holy crap , not wonder your wiping down your equipment all the time. biggrin.gif Seriously though those tiles are a bitch. Thanks for clearing that up .
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post #108 of 268 Old 08-21-2013, 10:30 PM - Thread Starter
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Originally Posted by LTD02 View Post

have you experimented yet with a high crossover point to your mains? seems like the ots might hold a slight midbass advantage over those guys. :-)

edit: or is the top end a little squirrelly since they are tapped horns?

Top end on the othorns is awesome. Only need some EQ at 107hz but still sound fine without it. Ghorns need tons of EQ up top.

I've only had a few minute to try and integrate the two, and its being a little difficult, but i knew it wouldn't be a walk in the park. I'm getting there.
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post #109 of 268 Old 09-03-2013, 04:55 PM - Thread Starter
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Here's where I'm at with the integration of the GH and OH:



Purple line is only the the GH, red line is only the OH, and the blue line is them both on.

40hz 48db BW filters.
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post #110 of 268 Old 09-03-2013, 05:10 PM
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Impressive!!!

You're giving me some really bad ideas. biggrin.gifbiggrin.gifbiggrin.gif
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post #111 of 268 Old 09-03-2013, 05:49 PM
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Can you repost the graph above with the phase trace shown as well?
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post #112 of 268 Old 09-03-2013, 05:51 PM - Thread Starter
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Can you repost the graph above with the phase trace shown as well?

Unfortunately I only saved the picture, not the files. I'll try and remember this next time I'm doing sweeps.
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post #113 of 268 Old 09-03-2013, 06:02 PM
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Unfortunately I only saved the picture, not the files. I'll try and remember this next time I'm doing sweeps.

Great, that would be nice to see.

I think you are at the forefront of awesome bass, horn loaded as wide as possible using a 2 way bass system. Integration is key but this is the final frontier.

I read about the GTG with the Othorns and GHs recently, would you mind comparing a single OS to a single Othorn in terms of subjective sound?
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post #114 of 268 Old 09-03-2013, 07:27 PM
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It would have been a lot easier to do the same day, now he would be going on memory. Off the top of my head I would venture to guess a single OS is > a single Othorn although I have yet to hear a single othorn pushed to it's max.
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post #115 of 268 Old 09-04-2013, 08:46 AM - Thread Starter
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Originally Posted by Decadent_Spectre View Post

Great, that would be nice to see.

I think you are at the forefront of awesome bass, horn loaded as wide as possible using a 2 way bass system. Integration is key but this is the final frontier.

I read about the GTG with the Othorns and GHs recently, would you mind comparing a single OS to a single Othorn in terms of subjective sound?

Quote:
Originally Posted by stormwind13 View Post

It would have been a lot easier to do the same day, now he would be going on memory. Off the top of my head I would venture to guess a single OS is > a single Othorn although I have yet to hear a single othorn pushed to it's max.

If it’s an Othorn powered off a single channel of a clone, I’d give the edge to the OS. The 4,000w RMS amp it has is an absolute beast, and a single channel of the clone just can’t compete. I’m still considering selling a clone and powering the Othorns with dual CV-5000 amps.

It’s hard to compare the two since they’re so different. The OS is also using some pretty heavy EQ to flatten it’s response, so much so that Jeff doesn't sell a passive version of the OS LF/LFU.

Besides needing to pull down 107hz, the Othorn is pretty dang flat and doesn't need any other EQ.
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post #116 of 268 Old 09-04-2013, 08:51 AM
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ds, you want front loaded horns with their characteristic rising response and mad efficiency in the 100-200hz ballpark.

Listen. It's All Good.
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post #117 of 268 Old 09-11-2013, 09:40 AM - Thread Starter
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post #118 of 268 Old 09-11-2013, 10:15 PM
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Demented.
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post #119 of 268 Old 09-11-2013, 10:21 PM
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Quote:
Originally Posted by lukeamdman View Post

I must be losing my mind...I just bought two Crest CC5500 amps...one for each Othorn...

So.... Because I'm too lazy to look up the specs on the 21s/clone/cc5500... What does that mean in numbers...

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And a bunch of DIY speakers and subs.
Coming soon: Dirac Room Correction
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post #120 of 268 Old 09-11-2013, 11:06 PM
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you get one guess as to what 5500 means. :-)

as for spl, probably up in the 140-150db range. somewhere up there...

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