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Mogale SuperScooper with PD 185c003 - question
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DubHouse View Drop Down
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    Posted: 07 October 2024 at 5:09pm
Hello everyone. 

I'm new person there, i try find similar topic but i couldn't find. Could anyone else tell me - what do you think about put Precision Device 185c003 to this bin (mogale super scooper)? Do you maybe hear this driver in action ? What would you choose between PD 1852/2 or Pd 185c003?  I heard few others driver in this bin, but not exaclly this. I would love to have them in stack with 4 scoops. 

Thanks in advance.



Edited by DubHouse - 07 October 2024 at 8:33pm
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levyte357- View Drop Down
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Think you'll find the Superscooper 18 chamber, is too small for that driver, to efficiently provide low notes down to 40hz.

Doc says that driver is a combnation of the old PD1850, and PD1851.

Would "strongly" suggest, this cab, instead.



Edited by levyte357- - 08 October 2024 at 3:34pm
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Originally posted by DubHouse DubHouse wrote:

What would you choose between PD 1852/2 or Pd 185c003?


I know the PD1852s very well, and would definitely choose it over this driver.

I designed a Scoop, for the PD1852 and similar modern drivers, and was very pleased with results.
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so the think is - that i have already done 2 scoops bin - so there is no option to change chamber inside. Think is - that I will have 4 scoops bin and i would love to play on it 27-75hz. I heard 1852 in this combination and it plays very very well - but i would have more - and i'm think if it is possible, also they are little cheeper than 1852. So you think that 185c003 is not good choose and better is to choose 1852 ?
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.



Edited by DubHouse - 08 October 2024 at 9:49pm
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Originally posted by levyte357- levyte357- wrote:

Think you'll find the Superscooper 18 chamber, is too small for that driver, to efficiently provide low notes down to 40hz.



Hmmm but 1850 have Vas parameter at 204 Liters and PD 185c003 have 224Liters, so if the mogale super scooper was project for 1850 - then it should be good i think.



Edited by DubHouse - 08 October 2024 at 10:13pm
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turbo7 View Drop Down
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A Mms = 197g is very low so be prepared for mechanical issues - it can work, tho. Its on the very low side for high compression horns with decent motor strenght. I would be more comfortable having the extra 34g for the PD1852
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Originally posted by DubHouse DubHouse wrote:


Hmmm but 1850 have Vas parameter at 204 Liters and PD 185c003 have 224Liters, so if the mogale super scooper was project for 1850 - then it should be good i think.


PD1850 was a waste of time, in the "unmodified" Superscooper 18.
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Originally posted by DubHouse DubHouse wrote:

so the think is - that i have already done 2 scoops bin - so there is no option to change chamber inside. Think is - that I will have 4 scoops bin and i would love to play on it 27-75hz. I heard 1852 in this combination and it plays very very well - but i would have more - and i'm think if it is possible, also they are little cheeper than 1852. So you think that 185c003 is not good choose and better is to choose 1852 ?


First of all, forget about playing 18" Scoops, down to 27hz, you will waste money reconing drivers, every gig.

There is a difference between a driver playing in a box, and a driver perfectly mated to the right cab, playing effortlessly smooth, low and loud.

PD1852 in the right cab, "properly" powered, never fails to impress. There is no talk of "wanting more".
The PD1852 will not do this in "unmodified" Superscooper 18.
Best driver I ever heard in "standard" Superscooper 18, is the Void V18-1000.

Only thing I can suggest to you, is sell your 2x Super18s you have built, and build the cab I suggested,
Will work with many more drivers.
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turbo7 View Drop Down
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+1 for the above
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My local experience with PD186 loaded standard mogale super scoops is, they choke and have trouble playing below 40. I've experienced a stack of 4 x supers with Void V18 powered by inf8 many years ago, but tbh no idea how well they did in the sub 40 hz department. 

I've heard a pair of 15" scoop with a suitable driver play smoother sub 40 hz than the 186 loaded supers. V18 loaded polar bears also excel sub 40 hz. Both with v18 and various pd, 1850, 1851 and 1852, polar bears do 30 - 40 hz with authority in stacks of 4 - 6.

Cut your losses, don't fall for sunken cost fallacy, build something else, even if it hurts. Listen to Levyte, he knows damn well what he is talking about! 



Edited by bob4 - 10 October 2024 at 7:31pm
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Hi

Super scoop with V18-1000 is capable of at least 3dB more compared to PD186, depends on the version, too, but this is a very very bad driver for a scoop if you compare this one with higher motor strenght and higher electrical damping drivers, as its running out of steam at 500W mechanically.

Polar bear scoops do not play deeper than super scoop, as it is roughly the same design. One can find measurments of the polar bear scoop in this thread ( falling response from 50Hz down, that is pretty bad..) 



Instead of wasting time and money to build the same shit again, stay with your super scoop and sacrifice 2-3dB in the low frequency range to todays top scoop/driver combos ( polar bear is NOT in the list of top scoops, at least the combo that is featured in the link above ). 
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