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18” super scoop & MT121 Plans |
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StoneGrove 
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Joined: 19 June 2025 Location: USA Status: Offline Points: 10 |
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 Topic: 18” super scoop & MT121 PlansPosted: 19 June 2025 at 9:36am |
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Looking for 18” super scoop plans with the back bottom cut on a slant for wheels/Castors.
Also looking for MT121 plans. All links besides an unverified design from France is what I’m able to track down. Any help is appreciated.
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HumbleDeer
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Joined: 04 May 2017 Location: Belgium Status: Offline Points: 35 |
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Posted: 19 June 2025 at 3:28pm |
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The SuperScooper plans should be pretty easy to adapt for castors, but the size of the cut-off would hugely depend on the size of castors you'll be using.
You'd just... cut off part of the back. Then stick a piece of wood flat where there's otherwise a hole. There's no acoustic implications as long as they're all glued together as they already should be. That kind of does also mean you could do this after the cabinet was built. Edited by HumbleDeer - 19 June 2025 at 3:29pm |
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levyte357-
Old Croc 
Joined: 27 July 2012 Location: UK, South East Status: Offline Points: 8517 |
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Posted: 19 June 2025 at 3:43pm |
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I would strongly recommend Mykey Scaled up Fane plan, over the Superscooper 18, unless Void V18-1000s to be used.
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Global Depopulation - Alive and Killing.
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StoneGrove
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Joined: 19 June 2025 Location: USA Status: Offline Points: 10 |
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Posted: 19 June 2025 at 6:00pm |
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Thanks, I was hoping to there was plans out there with something already factored in.
Appreciate the mykey fane scaled up suggestion. If anyone has mt121 info or guidance on where to get the plans, it would be appreciated.
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njw
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Joined: 26 March 2010 Location: S. Wales Status: Offline Points: 2700 |
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Posted: 19 June 2025 at 9:22pm |
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The plans are on here, click on the 'speakerplans.com' logo up there ^^.
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APW
Young Croc 
Joined: 13 November 2012 Location: UK Status: Offline Points: 1234 |
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Posted: 19 June 2025 at 9:39pm |
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The text above was originally written by a human but was 'perfected' by AI. Any remaining grammatical errors are proof of AI's uncanny ability to misunderstand while exuding absolute confidence.
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StoneGrove
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Joined: 19 June 2025 Location: USA Status: Offline Points: 10 |
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Posted: 20 June 2025 at 9:31am |
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Yea it’s not the mt121. I made the post to try and get plans that didn’t need modification.
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cravings
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Joined: 30 January 2007 Location: Ireland Status: Offline Points: 7507 |
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Posted: 20 June 2025 at 9:47am |
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well the 12" section remains the same.
and above the 12" you may as well modify it slightly to fit whatever high frequency horn you're going to use. all box building projects will require a bit of figuring out even with a plan. they're a difficult build.. there is also somewhere a plan someone made for a "simplified mt121" with straight horn sections. have a look for that maybe? |
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njw
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Joined: 26 March 2010 Location: S. Wales Status: Offline Points: 2700 |
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Posted: 20 June 2025 at 10:03am |
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If you have the plan for the double version then you have all the information and detail you need to build a single version.
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njw
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Posted: 20 June 2025 at 10:04am |
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As above, all the info you need is on the double plan.
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levyte357-
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Joined: 27 July 2012 Location: UK, South East Status: Offline Points: 8517 |
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Posted: 20 June 2025 at 12:46pm |
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As mentioned above, just use he MT122 Plan, and build with 1x 12" section not 2x. Personally prefer MT121 orig plan with 1x12", as opposed to the TDA 121, straight horn version. Have heard both, and MT121 with 2x part horn, to my ears, plays louder, projects further than TDA MT121 straight horn version. Here is video of 4x MT121s, accidentally covering approx 1000 people, outside. Was supposed to be small 2012 Royal Jubilee Royal celebration, but as sub and tops could be heard miles away, Broadwater Farm, Tottenham was packed until midnight.  Edited by levyte357- - 20 June 2025 at 12:48pm |
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Global Depopulation - Alive and Killing.
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levyte357-
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Posted: 20 June 2025 at 12:57pm |
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Re:Scoop plan.
Would prefer 636mm wide version of this over Superscooper, will perform better, with many modern drivers, also the extra bracing from the angle Scoop section. Also, very easy to add the rear bottom angle for (100mm blue quality castors  ). If using neo drivers, would suggest removing 2nd internal baffle. to increase chamber depth. from 190mm to to 208mm. Edited by levyte357- - 20 June 2025 at 1:19pm |
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Global Depopulation - Alive and Killing.
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StoneGrove wrote: