18” super scoop & MT121 Plans
Printed From: Speakerplans.com
Category: Plans
Forum Name: Plan Requests
Forum Description: All plan requests here
URL: https://forum.speakerplans.com/forum_posts.asp?TID=109134
Printed Date: 26 March 2026 at 6:54pm
Software Version: Web Wiz Forums 12.08 - https://www.webwizforums.com
Topic: 18” super scoop & MT121 Plans
Posted By: StoneGrove
Subject: 18” super scoop & MT121 Plans
Date Posted: 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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Replies:
Posted By: HumbleDeer
Date 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. |
Posted By: levyte357-
Date 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. ------------- Global Depopulation - Alive and Killing. |
Posted By: StoneGrove
Date 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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Posted By: njw
Date Posted: 19 June 2025 at 9:22pm
The plans are on here, click on the 'speakerplans.com' logo up there ^^.
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StoneGrove wrote:Posted By: APW
Date Posted: 19 June 2025 at 9:39pm
The plan on here is for the MT122 (2x12 mid horns + 1xHF between the two mids), I believe the 121 is just the 122 but with the top Mid horn removed. ------------- 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. |
Posted By: StoneGrove
Date Posted: 20 June 2025 at 9:31am
| Yea it’s not the mt121. I made the post to try and get plans that didn’t need modification. |
Posted By: cravings
Date 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? |
Posted By: njw
Date Posted: 20 June 2025 at 10:03am
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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Posted By: njw
Date Posted: 20 June 2025 at 10:04am
As above, all the info you need is on the double plan.
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Posted By: levyte357-
Date Posted: 20 June 2025 at 12:46pm
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.  ------------- Global Depopulation - Alive and Killing. |
Posted By: levyte357-
Date 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. ------------- Global Depopulation - Alive and Killing. |
Posted By: StoneGrove
Date Posted: 25 June 2025 at 10:30pm
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Hey Lev, For the Mykey scaled up fane plan - would I make the interior 636mm instead of the mogale super scooper 600mm? Thanks |
Posted By: levyte357-
Date Posted: 26 June 2025 at 4:39pm
Like this..  ------------- Global Depopulation - Alive and Killing. |
Posted By: StoneGrove
Date Posted: 27 June 2025 at 12:08am
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Thanks for confirming. I’m in the USA and I have best pricing options and availability with my distributor for B&C / Faital Pro / 18 Sound / Beyma / RCF Can anyone confirm some modern drivers from any brands above that would fit this scaled up fane design? I have B&C 18HP1060 and looking at the 18HW1070
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Posted By: eyeT
Date Posted: 04 July 2025 at 7:18pm
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There is a plan for the MT121 which is fully 15mm ply. It keeps the same dimensions as the original but I think it's probably an easier build, though still not easy. It's on the net somewhere, I believe there is a thread about it on this forum. Here is the thread but the plans have gone, can't find them here either. https://forum.speakerplans.com/mt121-revisited-revised_topic49892.html" rel="nofollow - https://forum.speakerplans.com/mt121-revisited-revised_topic49892.html
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Posted By: levyte357-
Date Posted: 05 July 2025 at 12:18pm
For this cab, Look for drivers, of similar BL, Xmax, Qes, Qts to 18NLW9601, Precision Devices PD1852, drivers with 5" VC, BL 30+, Qts/Qes approx 0.33, are the special ones. For Scoops, Never seen any drivers from RCF, Faital Pro, Beyma that interested me. Only 18sound, B&C, Precision Devices.
------------- Global Depopulation - Alive and Killing. |