Build cabinet for Peavey 18" Low Rider Subwoofer - Page 2 - diyAudio
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Old 27th August 2013, 08:35 PM   #11
freddi is offline freddi  United States
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the Karlson may have lower distortion than the little tapped horn - but might have a bit higher cutoff as the rear chamber and system tuning will pretty much dictate the low end
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Old 30th August 2013, 08:50 AM   #12
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Originally Posted by rhythmzdj View Post
i will purchase 2ea Peavey 18" Low Rider , need help with box size and ports would like to be at least 32" high x 24" wide x 24" deep to stack qsc hpr153i on top each subwoofer . will cross at 100hz or 80hz . would like to have sub go as low as 35hz and still hear it . i have two sp118 now with black widow 1801-8 speakers now only go dow to 40hz as per specs
Hi,
I had build quite a few boxes in the past for Peavey 18" Low Rider. (Kindly open attached folder to view plan). It performed very well. I had even compared it with original QW118. The results were quite similar.
I had even tried the dual 18 design, QW218. All I can say It was the best sounding Peavey lows that I had ever heard. I mean both the designs, single & dual.
Attached Files
File Type: pdf low rider 18 Plans.pdf (71.2 KB, 85 views)
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Old 30th August 2013, 12:34 PM   #13
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With reference to the attached box dimension for the Peaver 18" low-rider in my previous post #12.
I had drawn a 3-d drawing of the box here again which might be of some help understanding the internal bracings and the port area.
Attached Images
File Type: png LO-RIDER BOX 3-D DRAWINGS.png (104.1 KB, 159 views)
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Old 30th August 2013, 07:29 PM   #14
wg_ski is offline wg_ski  United States
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Originally Posted by SIDEWINDER 18X View Post
I had even tried the dual 18 design, QW218. All I can say It was the best sounding Peavey lows that I had ever heard
Of course. The QW's are on the expensive side for a PV cab.
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Old 30th August 2013, 08:45 PM   #15
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thanks SIDEWINDER that is what i was looking for ,will give it a go
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Old 31st August 2013, 03:23 PM   #16
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Quote:
Originally Posted by rhythmzdj View Post
i will purchase 2ea Peavey 18" Low Rider.
Before you purchase the Low-Rider's, I would like to inform you that there are three generations of Low-Rider 18 produced by Peavey. All of these were marked with the same model no. (1808-8 HPS). All differ on the cones fitted with.
The earlier one had a Progressive m-roll surround / light weight composite fiber-glass smooth cone (American cone).
And the second one had a progressive two roll asymmetrical surround / heavy weight composite kevlar ribbed cone ( European UKM cone) . You can identify this one stamped UKM along with the cone no. at the rear of the cone.
Present generation Low-Rider 18 has a similar kevlar-ribbed / medium weight American cone like the UKM one. Both these ribbed cone sounds and performs better than the earlier smooth one.
As for my opinion the second one, the one with the European kurt-muller (UKM) cone is the best of all.
You can see both of these in the attached pics.
Attached Images
File Type: jpg Smooth cone low-rider 18.jpg (26.0 KB, 130 views)
File Type: jpg Ribbed cone low-rider 18.jpg (128.0 KB, 123 views)
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Old 5th September 2013, 05:08 PM   #17
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awesome info Sidewinder ,when i purchase will ask ,and make sure not getting older generation
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Old 28th October 2013, 08:28 AM   #18
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WinISD plots with T/S data:

GREEN: Early Peavey LowRider-18 with 163 gram Mms smooth cone. Note 7.8 ft^3 box.

ORANGE: Latest Peavey LowRider-18 with 198 gram Mms ribbed cone. Note 12.8 ft^3 box.

PURPLE: Beyma 18LX60v1 for comparison. Note 12.6 ft^3 box.


Typical comparison of box volume vs. bass F3 vs. SPL efficiency
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File Type: jpg Peavey18_Beyma18.JPG (335.8 KB, 73 views)
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Old 28th October 2013, 01:02 PM   #19
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Quote:
Originally Posted by LineSource View Post
WinISD plots with T/S data:
GREEN: Early Peavey LowRider-18 with 163 gram Mms smooth cone. Note 7.8 ft^3 box.
ORANGE: Latest Peavey LowRider-18 with 198 gram Mms ribbed cone. Note 12.8 ft^3 box.
Do you also have a graph on the ribbed UKM cone low rider, which came just after the early Peavey low rider with the smooth American cone ?.
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