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Othorn vs XOC Th118 comparison for fun.
Othorn vs XOC Th118 comparison for fun.
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Old 8th February 2018, 04:11 PM   #111
Zwiller is online now Zwiller  United States
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Did Art ever finish the b-low/extended version of the KS?
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Old 8th February 2018, 04:31 PM   #112
treukauf is offline treukauf
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He has results for it. It is lower than the Keystone, but I would ideally like to go lower and be flat to 30 or 35 hz.
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Old 9th February 2018, 04:20 PM   #113
fenis is offline fenis  Australia
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Does anyone have a good idea of what the max continuous SPL is for the Keystone, TH18 and the Othorn? The Danley TH-118 specs say 137dB continuous but I suspect this would be a fair bit over the B&C 18SW115's xmax.
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Old 9th February 2018, 05:08 PM   #114
CRESCENDO is offline CRESCENDO  United States
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Othorn vs XOC Th118 comparison for fun.
Quote:
Originally Posted by Zwiller View Post
Did Art ever finish the b-low/extended version of the KS?
He did. Pics & initial impressions can be found in post 1167 of the Keystone thread.
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Old 9th February 2018, 05:08 PM   #115
epa is offline epa  Netherlands
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btw
does anyone knows what happened to oliver (tb46)?
last post is from 14th April 2017
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Old 10th February 2018, 04:12 AM   #116
CRESCENDO is offline CRESCENDO  United States
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Othorn vs XOC Th118 comparison for fun.
I emailed him this morning. Haven’t heard back yet. Hope he’s alright.
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Old 10th February 2018, 04:17 AM   #117
CRESCENDO is offline CRESCENDO  United States
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Othorn vs XOC Th118 comparison for fun.
Quote:
Originally Posted by fenis View Post
Does anyone have a good idea of what the max continuous SPL is for the Keystone, TH18 and the Othorn? The Danley TH-118 specs say 137dB continuous but I suspect this would be a fair bit over the B&C 18SW115's xmax.
Has someone measured the TH118 driverís xmas at rated power? If not, we donít know if/how much the driver is exceeding xmax for sure. I havenít seen that info anywhere. Thereís different loading on that driver in that cab, compared to the DIY TH18 (as seen in the impedance plot).
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Old 11th February 2018, 01:24 PM   #118
CRESCENDO is offline CRESCENDO  United States
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Othorn vs XOC Th118 comparison for fun.
*xmax, of course. Not Christmas. Can’t believe I let that autocorrect-fail get by.
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Old 21st February 2018, 12:34 AM   #119
Scientific is offline Scientific  Dominica
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Quote:
Originally Posted by Josh Ricci View Post
What model of driver did you use in the Othorn?
Do you have a link to a build thread for the cabinet?
I've never heard anyone say it lacked output.
We used the 18SW115 in the othorn
The cabinet plans are in $325 Lab 12 based PA tapped horn. ~35hz extension posts 455, 456 and 457 (bracing). We used a lot of screws during the build to ensure no rattling or harmonics.
The Scientific cab was designed to be used either as a keystone or a tapped horn. We built the tapped horn version.
When we tested Art's keystone, we used the B&C 21DS115. Big sound !!
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Old 21st February 2018, 03:50 PM   #120
treukauf is offline treukauf
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Quote:
Originally Posted by Scientific View Post
We used the 18SW115 in the othorn
The cabinet plans are in $325 Lab 12 based PA tapped horn. ~35hz extension posts 455, 456 and 457 (bracing). We used a lot of screws during the build to ensure no rattling or harmonics.
The Scientific cab was designed to be used either as a keystone or a tapped horn. We built the tapped horn version.
When we tested Art's keystone, we used the B&C 21DS115. Big sound !!
Scentific, I reviewed the plans in those posts. They show a modified keystone style opening. The pictures you posted later show a traditional Large horn mouth opening. Did you ever end up building TB46's modified keystone opening?

I am still debating on subwoofer designs with extension close to 30 hz. It looks like the TB46 TH18 SC is flat to about 35hz with -5dB @ 30 hz. Arts Keystone w/18sw115 runs flat to 40hz with -7dB @ 30Hz (Arts actual measurements).

Its tough to decide between the Othorn, TH18SC, and the Keystone. I really dont want to lose the magic of my current keystones performance. What do you prefer about your sub over the keystone, just the extra 5 hz extension or do you have any comments on the subwoofers "sound". How many TH18SC's did you end up building? I just ordered some more 18SW115's for $429. Thanks,
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