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Mini Scooper 18"
- GekoMusic94
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14 years 7 months ago #7546
by GekoMusic94
Replied by GekoMusic94 on topic Mini Scooper 18"
What's another good driver(Cheaper)for this plan???
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- nickyburnell
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14 years 7 months ago #7547
by nickyburnell
Replied by nickyburnell on topic Mini Scooper 18"
Use the Mk3 then you should be Ok with PD186, Fane XB etc.
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- MAutopsy
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14 years 6 months ago #7912
by MAutopsy
Replied by MAutopsy on topic Mini Scooper 18"
@ Stapier- noticed a while ago you had a horn extension plan for this. I can't find it
![:( :(](/media/kunena/emoticons/5.png)
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- nickyburnell
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14 years 6 months ago #7913
by nickyburnell
Replied by nickyburnell on topic Mini Scooper 18"
IF the weather changes (ever) I'm going to try a 186 in these. I think I'll do Mk2, or maybe Mk3 with single front baffle...
I built the orignal Mk1, well documented after a small mod. They are still around loaded with TurboMax, based on my experience with the Mk1 with V1200/PD1850 and TM I recon the 186 will be fine in Mk2, so long as your sensible. I'll add some front baffle to rear baffle braces, 50mm x 50mm to eat a little chamber size.
Drivers in the States? Somebody has to chuck an old Emmi Kilomax in one to see?
Mk 1 below was modified with extra rear baffle extended by 70mm (not shown)
I built the orignal Mk1, well documented after a small mod. They are still around loaded with TurboMax, based on my experience with the Mk1 with V1200/PD1850 and TM I recon the 186 will be fine in Mk2, so long as your sensible. I'll add some front baffle to rear baffle braces, 50mm x 50mm to eat a little chamber size.
Drivers in the States? Somebody has to chuck an old Emmi Kilomax in one to see?
Mk 1 below was modified with extra rear baffle extended by 70mm (not shown)
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- levyte357
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14 years 6 months ago #7957
by levyte357
\"When in Vegas, do as the vegasians do\".
Replied by levyte357 on topic Mini Scooper 18"
@Staip, could you please technically detail "the true" benefits of the acoustic wool suggested, and the reasoning for suggested placement.
My Rhino Mk2 sounds great without it, but I spoke to someone yesterday, and he mentioned "an expert" directed him to place the wool at specific locations in the chamber.
My Rhino Mk2 sounds great without it, but I spoke to someone yesterday, and he mentioned "an expert" directed him to place the wool at specific locations in the chamber.
\"When in Vegas, do as the vegasians do\".
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- nickyburnell
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14 years 6 months ago #8016
by nickyburnell
Replied by nickyburnell on topic Mini Scooper 18"
Bump this question
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- tony.a.s.s.
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14 years 6 months ago #8017
by tony.a.s.s.
Peace and goodwill to all speaker builders
Replied by tony.a.s.s. on topic Mini Scooper 18"
Regarding acoustic wadding, I recently tested with and without. I didn't listen to actual music as I was measuring at 5hz intervals and recording the results. Both responses were identical.
The only cab I would definately put wadding in is a mid range cab. This would be to kill the smaller waves that break up in side the cab and come back on the cone to produce peaks and dips in the response.
The only cab I would definately put wadding in is a mid range cab. This would be to kill the smaller waves that break up in side the cab and come back on the cone to produce peaks and dips in the response.
Peace and goodwill to all speaker builders
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- Tony Wilkes
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14 years 6 months ago #8020
by Tony Wilkes
Replied by Tony Wilkes on topic Mini Scooper 18"
The only reason I put wadding in my bass reflex boxes is to lower Fb apart from that it has bugger all use. I also stick it in mid-tops where it may be useful in reducing the standing waves etc.
Tony
Tony
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- staiper
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14 years 6 months ago #8044
by staiper
Replied by staiper on topic Mini Scooper 18"
Really for normal use there is no need for wadding in chamber.
Here it was intended to Hi-Fi-lise their sound a bit if someone use them with higher than ideal crossover point - kill buildup of potential 1/4wl resonances (honking) caused by dimensions of chamber which can sound ugly through horn.
However in normal/proper PA use there is crossover set far below freq. range where those resonances may occur (there may be only some harmonics up but they will make sound a bit "dirtier" which in PA world may be perceived as "natural" and additional SPL )
I have not build or tested them so wadding is "placed" here just to make em a little bit more foolproof at start smiley23
Best wishes
Here it was intended to Hi-Fi-lise their sound a bit if someone use them with higher than ideal crossover point - kill buildup of potential 1/4wl resonances (honking) caused by dimensions of chamber which can sound ugly through horn.
However in normal/proper PA use there is crossover set far below freq. range where those resonances may occur (there may be only some harmonics up but they will make sound a bit "dirtier" which in PA world may be perceived as "natural" and additional SPL )
I have not build or tested them so wadding is "placed" here just to make em a little bit more foolproof at start smiley23
Best wishes
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- mykey-
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14 years 6 months ago #8045
by mykey-
Replied by mykey- on topic Mini Scooper 18"
good designs won't need it smiley2
you're talking about the Ligwa cab Lev? OOPPPSSS!!!!!!
you're talking about the Ligwa cab Lev? OOPPPSSS!!!!!!
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