The Othorn tapped horn

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#310
Honestly that's not a huge saddle. Only like 4db from top to bottom vs 2db for the 18sw115. Could be much worse. If you built it I'd think you'd find that those peaks would have lower Q in real life and it would sound fine. Would only take a bit of eq to flatten if you needed to. People tend to like overdamped super flat sims around here. Just my two cents. The 18SW115 is clearly a superior driver though.

Can't comment on the cone. Could certainly not be up for the task if it's not stiff enough. These high compression horns really like to fold em up if they're not super strong.
 
#311
Well compared to the 21" drivers I think the 18's can handle the compression better. Shame not many manufacturers add notes for which kind of a box the driver is suitable.

Here are some other suitable 18" drivers that I did a sim for:

18S 18NLW9601 xmax@800w spl:128,3db@31,4hz
Oberton 18NXB1600 xmax@700w spl:127,7db@32,3hz
Oberton 18NXB1601 xmax@700w spl:128db@33,7hz
Oberton 18XB1500 xmax@600w spl:127db@32,8hz
Oberton 18XB800 xmax@400w spl:125,5db@36,2hz
PD 1850-2 xmax@500w spl:126,4db@33,25hz
PD 1851-2 xmax@600w spl:127db@33,25hz
RCF LF18x451 xmax@700w spl:127,7db@34,7hz


Please (see my gallery for all sim screens)
 
#312
Apologies in advance for necro-posting on this thread, but I have questions specifically relating to the Othorn cab.

-It appears that there is no longer a way to access the full PDF plans for the Othorn. From what I have read elsewhere, the creator no longer wishes to provide the plans, nor are they posted publicly online. I suppose I could make do with the info provided in the first page of this thread, as there seems to be just enough info to accurately reproduce these. Does anyone have any suggestions on this?

-This, along with the tops and possible midbass kick bins, will be my first time building my own pro system from scratch. I have cabinet making experience, so not a total noob, but to specifically in the audio realm. I have done a good bit of research and I believe I have an idea of the materials and techniques needed, but I would love suggestions on things like which glues and screws work best (a link to a thread I could research would be most appreciated).

Lastly, I have the dilemma of whether to bother with a separate set of midbass kick bins. I am considering adding a set of 15" or 12" (or dual 12" FLH) for around the ~80-200hz range, but I also know that depending on the tops I choose, I could make do with just the Othorns and tops. I suppose it's a matter of need and preference, but any advice here? Leaning towards a two-cab layout to start and building these later if necessary.

...almost forgot, but if anyone has suggestions on substantially similar bass cab designs that are a bit more contemporary and still have good response below 30hz, feel free to let me know. Again, I apologize for my general lack of knowledge, but we all have to start somewhere at some point, eh? Thanks in advance.,
 
#314
That's a great question. I have a sheet full of design parameters for this build and one thing I did not really specify is a max. size. What I have is that I want the base system (two bottoms and two tops and the rack) to fit in a standard vehicle, either a van or a pickup bed. Other than that I only specified that the weight of each cab has to be able to be handled by two people- which, for the Othorn, is just barely possible at (from that I have heard) around 140-160lbs.

FWIW the mid-hi cab I am leaning toward is the DR280, probably running passive full-range for less complexity in the setup. That is around 70lbs and 2ft cubed.
 
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