21" Scoops
Printed From: Speakerplans.com
Category: Plans
Forum Name: Scoops
Forum Description: One scoop or two ;-)
URL: https://forum.speakerplans.com/forum_posts.asp?TID=84617
Printed Date: 27 March 2026 at 4:55am
Software Version: Web Wiz Forums 12.08 - https://www.webwizforums.com
Topic: 21" Scoops
Posted By: levyte357-
Subject: 21" Scoops
Date Posted: 17 January 2014 at 3:47pm
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Would be interesting having discussion about these, in dedicated thread, as there are differing opinions. Anyone ever heard group of these in a gig, and were suitably impressed? IIRC, only person recently was RealitySound in Bermuda. I'm assuming not many people impressed with 21" Super scooper with PD2150, as don't hear much about it. What 21" Drivers have people tried in various "Scoops", did anyone here ever try the original ASS 21" scoop in group of 2x or 4x? Anyone successfully powered 4x 21" Scoops off 1x amp? Heard Volcano blew few 21s & couple of Crown MA5000VZs trying to do this. Do people think 21" scoops would be too heavy to move around on regular basis? Would people "upgrade" to 21" Midi scoops, if they outperformed 18" Full scoops? Are there any 21" drivers that are decent, & don't cost the earth? Tony which driver is your new 21" Scoop optimised for ? Play nicely, chaps.  ------------- Global Depopulation - Alive and Killing. |
Replies:
Posted By: bee
Date Posted: 17 January 2014 at 4:04pm
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Lev the first thing I found with 21's and 24's is dont expect them to work the same as a 18... for example you would not compare a 15 to an 18..... the bigger the driver the more low end longer horn path etc so they become more sub bass 20hz to 30hz, but at the loss of high end. I would not want to take a 21 or 24 above 80hz.... but both will play low 20hz with ease..... Volcano ended up modding there original 21's as they did keep blowing, due to the over large throat area.... ------------- https://www.elements-audio.com |
Posted By: levyte357-
Date Posted: 17 January 2014 at 4:33pm
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Yep, would expect 21" driver to not have the speed of an 18", so limited upper sub notes response, which isn't really a problem, if you have 15"/18" Kick bins. I know fair bit about the Volcano 21" scoops, but cannot say anything here. ------------- Global Depopulation - Alive and Killing. |
Posted By: bee
Date Posted: 17 January 2014 at 4:36pm
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plus 1, lol got 2 in the lock up, even the modded ones are still a bit on the large side.... if you run the 21's like an 18 you will run into trouble, you have to go with a different approach, the need for good high bass (kicks) is a must.... ------------- https://www.elements-audio.com |
Posted By: K M Sound System
Date Posted: 17 January 2014 at 5:14pm
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Well it seems Volcano's 21's are getting about My friend has 4 of Volcano's 21's atm and apparently 4 more in the next month or 2. Been interested to find out who built them or just some history on them, if either of you know some anything about them would be nice to get some history on them :) There currently being loaded with 21" P-Audio SD21 1800EL (i believe), loaded 2 up but one of the drivers had a scratchy noise, is on its way back and 3 more on the way soon to get all 4 loaded and running. ------------- Dub-Sidious of Kollective Mindz |
Posted By: luton_soundman
Date Posted: 17 January 2014 at 6:00pm
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i have some good 21" drivers available, going to a/b with my 2150 see how they compare. |
Posted By: toastyghost
Date Posted: 17 January 2014 at 7:32pm
If money were no object, I know of a certain 21" that would probably do the business in a properly built scoop. I think the price would make the average roots man choke though 
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Posted By: Father-Francis
Date Posted: 17 January 2014 at 7:58pm
what a way to put it , First they´l have to start training ,to be able to move the cabs around , and no more mini transport ,  ------------- Music is the strongest form of magic.(+45 31879997)blakmanpro@gmail.com, foa@sweetboxaudio.dk |
toastyghost wrote:Posted By: bee
Date Posted: 17 January 2014 at 8:11pm
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km sound system, was they the ones picked up from my lockup........ ------------- https://www.elements-audio.com |
Posted By: levyte357-
Date Posted: 17 January 2014 at 8:13pm
Bad enough paying almost £400 for new PD 18s, new PD2150 cost approx £560..  But sure, people don't mind paying approx £250 used for 21" like PD2150. ------------- Global Depopulation - Alive and Killing. |
Posted By: toastyghost
Date Posted: 17 January 2014 at 8:15pm
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Yeah, I'm talking over a grand a driver list
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Posted By: levyte357-
Date Posted: 17 January 2014 at 8:24pm
 ------------- Global Depopulation - Alive and Killing. |
Posted By: toastyghost
Date Posted: 17 January 2014 at 8:24pm
| Haha! Told ya. |
Posted By: Andy Kos
Date Posted: 17 January 2014 at 8:34pm
------------- just a guy with a warehouse and a few speakers... www.bluearan.co.uk |
Posted By: levyte357-
Date Posted: 17 January 2014 at 8:35pm
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Would only get involved in 21" scoops, if new/used, decent, 21" drivers, could be had fairly cheaply. ------------- Global Depopulation - Alive and Killing. |
Posted By: Andy Kos
Date Posted: 17 January 2014 at 8:37pm
------------- just a guy with a warehouse and a few speakers... www.bluearan.co.uk |
Posted By: levyte357-
Date Posted: 17 January 2014 at 8:38pm
If price also "runs down" to used price, splendid. ------------- Global Depopulation - Alive and Killing. |
Posted By: KidCreole
Date Posted: 17 January 2014 at 10:20pm
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Why don't we have a list of 21'' scoops and have a Sat/Sun afternoon A/B testing at GP? I have PDN2151 and Celestion NTR21 5010JD for testing |
Posted By: ceharden
Date Posted: 17 January 2014 at 11:51pm
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Not tried them in scoops but I loaded 8 Opus HB121 Mk2 Bandpass Horns with the P-Audio SD21-1800EL mentioned above and they have been doing a good job for a couple of years now. Pretty serious drivers and not silly money so I suspect will work well in the right scoop. |
Posted By: KidCreole
Date Posted: 18 January 2014 at 12:02am
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Specs look OK for a scoop Will Andy loan us one if we do a 21'' scoop testing day out? Celestion 21 PDN2151 Paudio 21 |
Posted By: RealitySound
Date Posted: 18 January 2014 at 12:27am
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I managed to get 8 18Sound 21LW1400's for $3500 (USD). I would be happy to link anyone on the East Coast/ Caribbean to the dealer I use if someone wants some. Wouldn't want to lift these up stairs. I am fortunate enough that my scoops will never have go up any stairs as all the venues I use them at are outdoors or indoors at ground level.I would put 4 of these up against 4 double 18 reflex ANYDAY. I am quite confident as I used to own a boat load of double 18 reflex, and they don't come close. http://s150.photobucket.com/user/ob1bda/media/21LW1400%20scoop/IMG_0552_zps94ce0d67.jpg.html" rel="nofollow">  ------------- When you gonna send me some $$ mate ? |
Posted By: Andy Kos
Date Posted: 18 January 2014 at 12:45am
I will have to order some more. ------------- just a guy with a warehouse and a few speakers... www.bluearan.co.uk |
Posted By: K M Sound System
Date Posted: 19 January 2014 at 12:12pm
I think they was mate. Think Dan was saying he was having a chat with you when he come got them. Would love to find out more info on them, specs ect if you know anyone that has anything? Hopes things are well mate, told Dan about the amps aswell, made him smile and said he's gonna have a word with his crew and see what there thinking. ------------- Dub-Sidious of Kollective Mindz |
Posted By: bee
Date Posted: 19 January 2014 at 1:09pm
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are they having the other 2 in lock up do you no.... ------------- https://www.elements-audio.com |
Posted By: K M Sound System
Date Posted: 20 January 2014 at 1:20am
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Bee - Couldn't tell you to be honest Ben. I know they said there are more that there getting at some point. But thats all i know on it as we been trying to get these running, Think there waiting for funds for the SD21's before they get the others. But they change there mind weekly  Andy - By all means, when they have the 4 loaded we're hoping to have a day at a venue so we can have a little play with them. By all means come down will have some beers waiting for you pal. ------------- Dub-Sidious of Kollective Mindz |
Posted By: ShawnVenom
Date Posted: 22 January 2014 at 6:55pm
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6 Super scoops Loaded with 18sound 12lw1400 Powered by Powersoft K20  |
Posted By: Culture Man
Date Posted: 22 January 2014 at 7:34pm
| I've herd that Hytal Bosrah sound system has 12, 21" ASS, but don't use them often because they need a big venue and each box is 150k in weight and needs to be played port to port to get the best out of them. |
Posted By: geronimo91
Date Posted: 22 January 2014 at 7:46pm
+1 im learning the hard way that my 21s dont like small room. at all... ------------- Apache Hi Fi |
Posted By: bass*en*mass
Date Posted: 22 January 2014 at 7:47pm
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rumours and hearsay a funny thing :) |
Posted By: luton_soundman
Date Posted: 22 January 2014 at 8:45pm
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there's also some 18" scoops that are very bad in small venues but ok/good in large venues and outdoors. This is how some compare scoops, a gd scoop design can play well inside or out large venue or small. ------------- Sound Hire/Sales new/used equipment. |
Posted By: RealitySound
Date Posted: 23 January 2014 at 12:22am
Big up Venom. Welcome to the forum..... You running all 6 cabs off the K20? What does that end up being per driver? ------------- When you gonna send me some $$ mate ? |
Posted By: levyte357-
Date Posted: 23 January 2014 at 2:34am
Cabs throwing too far inside, is nothing new with certain folded horns/scoops. Standard Superscooper 18, suffers from this very thing, not suprising if 21" version does also. Subtle design decisions decide throw..  ------------- Global Depopulation - Alive and Killing. |
Posted By: UpComingSound
Date Posted: 24 January 2014 at 2:01pm
| Greetings Venooom sound is there a big difference in your bass line with 21 inches then 18 inches |
Posted By: Andy Kos
Date Posted: 24 January 2014 at 2:58pm
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Yep, about 3 inches. ------------- just a guy with a warehouse and a few speakers... www.bluearan.co.uk |
Posted By: MarjanM
Date Posted: 24 January 2014 at 4:26pm
Not buying that one at all. Care to elaborate? How do you make a box throw less or more? ------------- Marjan Milosevic MM-Acoustics www.mm-acoustics.com https://www.facebook.com/pages/MM-Acoustics/608901282527713 |
Posted By: burningbush
Date Posted: 24 January 2014 at 4:31pm
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------------- music is the message |
Posted By: levyte357-
Date Posted: 24 January 2014 at 5:22pm
Ask Mykey or Tony, how you make a Scoop throw less or more. I'm sure they'll be happy to publicly divulge trade secrets.
------------- Global Depopulation - Alive and Killing. |
Posted By: luton_soundman
Date Posted: 24 January 2014 at 5:51pm
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this is why some stay away from scoops as a computer wont tell you anything ------------- Sound Hire/Sales new/used equipment. |
Posted By: levyte357-
Date Posted: 24 January 2014 at 6:13pm
Also why many are staying away from Scoop forum now. People who hardly have anything to do with Scoops, suddenly know more than people who have been around them for years.  ------------- Global Depopulation - Alive and Killing. |
Posted By: Dub Specialist Sound
Date Posted: 24 January 2014 at 6:19pm
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Yea certain ppls who probley listen to scoops on YT or sup'm , thay need to out in the real world an go listen to Roots/Reggae Soundsystem...in flesh and tell that certain scoops throw or not...Depending on design ect.. its fact...gwaan shoot mi down SCOOPS!!!! scoops and more SCOOPS!!!
------------- Musical Roots Reggae Vibration is Life! for music is sound...sound is vibration...vibration is energy... and energy begets life. Therein lies my passion!...MUSIC IS LIFE... |
Posted By: MarjanM
Date Posted: 24 January 2014 at 6:37pm
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Ah i get it! Scoops defies the lows physics. Gotta be some voodoo. Guys dont be such tools ok? Scoops are loudspeaker boxes like any other box. You can not go around it. I might never seen any scoop in my live (which is far from true we had installed a lot of jbl double 18 scoops back in the days when they were popular) and still be sure that you can not make a scoop of a similar size and similar mouth and horn length, to throw more, or less. A few cm here and there wil not do much. The wave length is simply too big to make a difference. It might change the sound a bit (that is why so many variants of them), but not the propagation of it. 105db 1w/1m at 50hz will travel the same distance from any scoop. Now dont go telling me how you have heard it. i have heard that there are people on Mars too. When you came up with any meaningful scientific data to prove what you state, feel free to post here. It will be very welcomed. ------------- Marjan Milosevic MM-Acoustics www.mm-acoustics.com https://www.facebook.com/pages/MM-Acoustics/608901282527713 |
Posted By: JR.junior
Date Posted: 24 January 2014 at 6:51pm
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Pressure waves, Marjan! ------------- Support the scoop technology, larger mouth plays louder! |
Posted By: JR.junior
Date Posted: 24 January 2014 at 6:51pm
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------------- Support the scoop technology, larger mouth plays louder! |
Posted By: luton_soundman
Date Posted: 24 January 2014 at 7:12pm
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talk is cheap. We've all built them, changed throats by couple cm, movin baffle couple cm,changed 'deflecter' angles, each one makes huge difference. We've done it ab and seen heard felt difference. Just because your books cannot make u understand it. Scoop forum always being belittled. ------------- Sound Hire/Sales new/used equipment. |
Posted By: jammin75
Date Posted: 24 January 2014 at 7:26pm
too true  ------------- feel the vibes !!! "Who Feels it Knows it" Strong like Lion |
Posted By: MarjanM
Date Posted: 24 January 2014 at 8:35pm
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Sorry, still not buying it. Few cm here and there can affect a bit the freq response. Few db here and there at the right spot for the music material in question. It has nothing to do with "throw", but with the sensitivity. I think we have proved many times here that there is no such thing as throw. What is referred as a long throw is basically a box with bigger sensitivity as a start. So louder at the start, louder at the distance. It is simple as that. ------------- Marjan Milosevic MM-Acoustics www.mm-acoustics.com https://www.facebook.com/pages/MM-Acoustics/608901282527713 |
Posted By: b grade
Date Posted: 24 January 2014 at 8:53pm
| I always thought the term throw was just referring to useable beaming. You would really need a very large horn to do this in bass, but a big enough cardioid stack can give a similar effect. -edit- in theory only. I don't have enough subs to try it. |
Posted By: Heathrow_B_line
Date Posted: 24 January 2014 at 9:14pm
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scoops are rubbish anyway ------------- Produce a killer sound. Take no prisoners. |
Posted By: JR.junior
Date Posted: 24 January 2014 at 9:52pm
 ------------- Support the scoop technology, larger mouth plays louder! |
Posted By: luton_soundman
Date Posted: 24 January 2014 at 9:57pm
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. ------------- Sound Hire/Sales new/used equipment. |
Posted By: Heathrow_B_line
Date Posted: 24 January 2014 at 9:59pm
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if you respond to all the trolls the thread goes off topic real quick and interesting discussions regarding 21" scoops hit a road block ------------- Produce a killer sound. Take no prisoners. |
Posted By: MarjanM
Date Posted: 24 January 2014 at 10:54pm
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All of the scoop related talks ends up like that. Because people are more subjective on the topic then objective. No one have contributed with any real data and it is all in a state of gossip and personal taste. Nothing is scientifically proved or busted. Talks that something special is going on inside the scoops because some strange and unexplained metaphysics thing is going on inside will never help anyone. So if one will take this conversation in a purely acoustical fashion then we have a topic to talk about it. making statement that some are believer and others are not is futile. Like god exists or not. Also, any box can do good or bad indoor. The box position is more crucial then anything else. At one spot it can be the best, 1m to either side can kill all the bass. So that good or bad indoor is also a pure myth. ------------- Marjan Milosevic MM-Acoustics www.mm-acoustics.com https://www.facebook.com/pages/MM-Acoustics/608901282527713 |
Posted By: Sypa
Date Posted: 25 January 2014 at 12:36am
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Scoop talk is the best talk,please proceed |
Posted By: RealitySound
Date Posted: 25 January 2014 at 12:41am
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Can someone start a scoop banter thread, and let this one get back to 21" scoops? http://s150.photobucket.com/user/ob1bda/media/21LW1400%20scoop/20131226_223155_zpsa4c4277c.jpg.html" rel="nofollow">  ------------- When you gonna send me some $$ mate ? |
Posted By: levyte357-
Date Posted: 25 January 2014 at 2:28am
All we need to do, is ask admin to delete Marjan's posts on this thread, and it will be back on topic.  ------------- Global Depopulation - Alive and Killing. |
Posted By: MarjanM
Date Posted: 25 January 2014 at 2:55am
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So i am the party breaker? ------------- Marjan Milosevic MM-Acoustics www.mm-acoustics.com https://www.facebook.com/pages/MM-Acoustics/608901282527713 |
Posted By: RealitySound
Date Posted: 25 January 2014 at 3:02am
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"Party Pooper" ------------- When you gonna send me some $$ mate ? |
Posted By: JR.junior
Date Posted: 25 January 2014 at 10:16am
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muster of poops. http://www.youtube.com/watch?v=Jj7pDNDuoJ0 ------------- Support the scoop technology, larger mouth plays louder! |
Posted By: K M Sound System
Date Posted: 27 January 2014 at 11:56am
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On the topic this thread. Played with this a few nights ago.
https://imageshack.com/i/0vqpn2j" rel="nofollow">  21" scoop with 2 x Custom width cubo 18's. Soon there will be another 21" under this, crew awaiting driver funds. Sounded very naughty in the venue's small room ------------- Dub-Sidious of Kollective Mindz |
Posted By: luton_soundman
Date Posted: 29 January 2014 at 1:27am
------------- Sound Hire/Sales new/used equipment. |
Posted By: Heathrow_B_line
Date Posted: 04 February 2014 at 7:55pm
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should a 21" have a longer or shorter horn compared to a 18"? ------------- Produce a killer sound. Take no prisoners. |
Posted By: JR.junior
Date Posted: 04 February 2014 at 8:30pm
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full 21" has a longer horn. (app.30Hz.) ------------- Support the scoop technology, larger mouth plays louder! |
Posted By: tv00
Date Posted: 27 February 2014 at 12:38pm
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Whow this thread is growing rapidly! Did you consider the rcf drivers? They look ok & prices are fair. How about the 21" Hog? To me it sounds more interesting, I find that regular scoops are best for reggae, whereas I find hogs & tapped horn suited for all kinds of music. Regular designs just barely hit 30 hz and never 25 hz. I heard of a hyperbolic 21" tapped horn, sounds pretty interesting to me! Something near a hog I guess. |
Posted By: tv00
Date Posted: 27 February 2014 at 12:54pm
This is interesting, didn't think about that until now! I guess you are talking about something like shortman minis or that Mykey mini scoop design that disappeared? As I recall the performance of these mini/midi 18" scoops are pretty good & fairly low freq wise too? If yes this means that they could be beasts with 21" that actually could be moved by two persons. -Louis |
Posted By: peivol
Date Posted: 15 January 2023 at 1:37am
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Hi i'm new here and i would like to get some recomendations before building my kick bins. I have 4 21' super scoops loaded with PD2150. Can someone recommend me, what is the best choice for kicks? I was thinking first, ES BPH18, but i read there's a few problems to line up with 21' scoops, specially in indoor, maybe Cubo 18's can be better option with the right driver? Thinking to build in tops mt 121 and tweeters Thanks for advance Pablo
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Posted By: bob4
Date Posted: 15 January 2023 at 6:38am
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Start your own, new thread Pablo. Your post is offtopic. Topic: "which kicks for 21"superscoopers?"
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Posted By: vibes92
Date Posted: 01 February 2023 at 11:37am
| was king earthquake using 21" speakers in his boxes |
Posted By: paulus
Date Posted: 01 February 2023 at 12:01pm
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next one up pd2450s ------------- TRENDSETTER SOUND SYSTEM |
Posted By: vibes92
Date Posted: 06 February 2023 at 1:57pm
| earthquake used 24"???? |
Posted By: PinHole
Date Posted: 06 May 2023 at 12:53pm
Something is lurking around here - 21"-ers  ------------- Signature is important. So I always write something in this dedicated field. |
Posted By: Sypa
Date Posted: 06 May 2023 at 4:15pm
🤫🤫
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Posted By: KDW32
Date Posted: 06 May 2023 at 5:22pm
| That's interesting! |
Posted By: bob4
Date Posted: 07 May 2023 at 5:56am
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Didn't user "realitysound" do an upscaled/enlarged hog referred to as "bush bin" a long time ago? Iirc he scrapped the project
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Posted By: luton_soundman
Date Posted: 07 May 2023 at 11:02am
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Mitch has built and ran 21" hogs for a long time now. Although his isnt an upscale from the original design. Still yet to hear them but everyone says very good things about them 👏 i'll be loading my 21" scoops soon so they'll be posts and videos on that soon enough ------------- Sound Hire/Sales new/used equipment. |
Posted By: cardiffdon
Date Posted: 07 May 2023 at 8:30pm
Look forward to that 
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Posted By: BJtheDJ
Date Posted: 07 May 2023 at 9:13pm
There's a YouTube video at ------------- I started out in this business with nothing. I still have most of it left. |
Posted By: fat_brstd
Date Posted: 08 May 2023 at 12:53am
That "Design" is missing 2 folds in the horn vs the Hog's horn design, looks very average to me, bigger box and shorter horn than the OG Hog has. I remember seeing insomnia had a single 24" hog he had built about 12/13 years ago. No idea what happened to that. ------------- Melbournes Rootical Warrior Roots - Dub - Steppers http://www.facebook.com/adrians.wall" rel="nofollow - facebook page |
Posted By: smitske96
Date Posted: 08 May 2023 at 8:10am
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@BJtheDJ That youtube channel has always been a big source of nonsense. So I would definately reccomend you don't look at anything on there.
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Posted By: PinHole
Date Posted: 26 May 2023 at 9:58pm
According to infos before posted "Hog" 21 is not just scaled up standard Hog as it have different folding scheme inside. It is designed by Staiper but seems that it is private or commercial design as plans are not available.  ------------- Signature is important. So I always write something in this dedicated field. |
Posted By: luton_soundman
Date Posted: 27 May 2023 at 10:19am
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If you like the 18" hog and want a 21" version just scale it up and make adjustments to chamber depth and throat depending on driver choice. ------------- Sound Hire/Sales new/used equipment. |
Posted By: levyte357-
Date Posted: 27 May 2023 at 9:27pm
My Mate Mitchigan made pile of Hog 21s for himself, years ago. Adjusted cab to suit his drivers, himself. ------------- Global Depopulation - Alive and Killing. |
Posted By: Vaso_Bobinata
Date Posted: 11 June 2023 at 6:36am
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Boys, About these hog scoops loaded with PD 1850 v1 does anybody have expirience with wadding / padding. I was wondering should the cabs be treated inside. How much wadding, wadding type (i have polyester wool like in duvets and jackets), wadding location. https://www.freespeakerplans.com/plans/14-plans/basscab/31-hog-scoop" rel="nofollow - https://www.freespeakerplans.com/plans/14-plans/basscab/31-hog-scoop Help much appriciated, Cheers , V |
Posted By: MarjanM
Date Posted: 11 June 2023 at 2:27pm
NO need ------------- Marjan Milosevic MM-Acoustics www.mm-acoustics.com https://www.facebook.com/pages/MM-Acoustics/608901282527713 |
Posted By: Vaso_Bobinata
Date Posted: 16 June 2023 at 11:45am
| Thanks Mate :) |
Posted By: RealitySound
Date Posted: 08 July 2023 at 12:54am
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"Didn't user "realitysound" do an upscaled/enlarged hog referred to as "bush bin" a long time ago? Iirc he scrapped the project  "------------- When you gonna send me some $$ mate ? |
Posted By: ChikoRomantiko
Date Posted: 26 November 2023 at 12:14am
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Posted By: ChikoRomantiko
Date Posted: 26 November 2023 at 12:18am
aah this is my photo  they sound great!!
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Posted By: levyte357-
Date Posted: 27 November 2023 at 8:42am
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Client recently requested quote, to get a pair of my design, 21" Scoops. I requested quote from builder I know, for finished pair, grilled, wired, ready to load. After receiving quote, I needed a drink, and to sit down for a moment.. ------------- Global Depopulation - Alive and Killing. |
Posted By: Bams
Date Posted: 27 November 2023 at 12:05pm
| inflation looks to have stalled due to energy prices stabilizing and sometimes even lowering. but cost of living is, prices of imported raw materials are still going up and skilled labour is finally starting to recieve the money they deserve. the bubble still hasn't burst. |
Posted By: luton_soundman
Date Posted: 28 November 2023 at 8:33am
how much was it?? Nothings cheap anymore. Glad i got pretty good deals buying used scoops. ------------- Sound Hire/Sales new/used equipment. |
Posted By: levyte357-
Date Posted: 28 November 2023 at 5:15pm
If I could build, I would be quids in !! There was not much left in pricing to add my share, so I just recommended client to get some Scoops off Kutty. Maybe when I sell 4x of my .44s, will be time for 4x of my 21s.
------------- Global Depopulation - Alive and Killing. |
Posted By: pepomann
Date Posted: 09 April 2024 at 7:05pm
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Hello everyone , i am thinking of building 4x 21 inch scoops but i have a problem with driver choice. the pd 2150 is no longer available, so i was wondering if anyone has tested any new drivers or which ones are currently the best for this box. I would like it to be a neodymium driver for longer durability. I was thinking of using a CVR AUDIO 4ohm:2x5600W 2ohm: 2x9500W amplifier, so that is the maximum power that can be used. I would like the same amp to work for me if in the future I build two more scoops and work at 2.6ohm because I don't trust that amp to work well at 2 ohm. If someone answers me, thank you very much for your time and help. Bless |
Posted By: smitske96
Date Posted: 09 April 2024 at 7:26pm
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If you don't trust it with a 2 Ohm load, don't run it with a 2,6 Ohm load Regarding drivers, quite some options, but not cheap. Even then, as far as I am aware, not many 21" designs around. You are probably ending up with something custom if you want to do it right.
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Posted By: pepomann
Date Posted: 09 April 2024 at 7:41pm
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hello everyone , i am thinking of building 4x 21 inch scoops but i have a problem with driver choice. the pd 2150 is no longer available, so i was wondering if anyone has tested any new drivers or which ones are currently the best for this box. I would like it to be a neodymium driver for longer durability. I was thinking of using a CVR AUDIO 4ohm:2x5600W 2ohm: 2x9500W amplifier, so that is the maximum power that can be used. I would like the same amp to work for me if in the future I build two more scoops and work at 2.6ohm because I don't trust that amp to work well at 2 ohm. if someone answers me, thank you very much for your time and help. |
Posted By: Sypa
Date Posted: 11 April 2024 at 9:17am
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If its the 21 superscoop from speakerplans , i heard it with 21ds115 and its great . But im sure some others would work nice , the sound of the 21 scoop is by definition slower/heavier than an 18 scoop . If you put a stronger motor driver like the 21ds or some 18 sound offerings like the 9601 you can expect a bit of a more defined sound than lets say a 18 sound 18lw1400 which will play in with the slowness/heaviness.
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Posted By: RealitySound
Date Posted: 16 April 2024 at 12:02am
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What Sypa said is accurate. I had 18LW1400's in my 8 initially. Very warm scoop sounding, but smoke after 1400 watts. The 18NLW21-9601 for brutal SPL, the eminence 6ohm 21s also. Given them both HEAP loads of power and they take it all no sweat. I've been using admarks and CVR's, slight preference to admark. The chinese girls are very helpful if anything goes wrong. They will send parts for repair, even whole channels for less agro if you want. Good Luck ------------- When you gonna send me some $$ mate ? |
Posted By: taurusty
Date Posted: 10 June 2024 at 12:27am
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Hey Reality, Whaa gwaan? Off topic: Admarks are dying here left. right and centre compared to CVR's. Ppl getting scared cos mostly power supply damage. 4 or 2 ch models, cos some of the smart asses here think it's OK to put 16 18' on a 4 ch. Seen them die catastrophically on bass in 4 or 2r, on JPS , generators, but mostly seem to die on "stabilisers". My personal opinion is they don't seem to handle 2r as well as CVR (component differences?) FYI.. |
Posted By: smitske96
Date Posted: 10 June 2024 at 11:49am
| Not all CVR's and Admark amps are the same internally (also design wise). Did they ever measure what kind of waveform they where getting from generators etc when doing such loads? |
Posted By: taurusty
Date Posted: 10 June 2024 at 4:36pm
| Nope. What equipment would facillitate such? |
Posted By: smitske96
Date Posted: 11 June 2024 at 2:47pm
| Scope and a current probe would do the job. |