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Multi-Way Conventional loudspeakers with crossovers

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Old 28th March 2011, 05:29 PM   #1911
Face is offline Face  United States
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FX001, the FX002 is a Nextel coated paper cone.
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Old 29th March 2011, 06:34 AM   #1912
navin is offline navin  India
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Quote:
Originally Posted by Face View Post
FX001, the FX002 is a Nextel coated paper cone.
Oh yes. thanks for reminding me. What box volume did you need for the FX001? The reason I ask is that I am looking to use this woofer in about 35 liters sealed to get about 45Hz (-3db / Qtc 0.8) and mate it to a W16NX001.
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Old 30th March 2011, 03:09 AM   #1913
Face is offline Face  United States
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Sorry I can't give you an accurate answer, I went with a 3ft^3 ported enclosure tuned to 20hz.
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Old 1st April 2011, 03:08 PM   #1914
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Speakers:
CHR-70 monitors, 4L sealed with LCR series network (0.39mH, 2.7ohm, 680uF) for baffle step, trebel reduction and bass eq. F-3dB =75Hz (without crossover). Front is 18mm MDF sandwich of 6mm and 12mm to aproximatly get flush mounting.

2x 10" skytronic subs, uneq'ed f-3dB = 45Hz (free space). Aprox 40L each.

Amps:
Marantz PM151 (subs)
SONY TA-AX220 with increased rail capacitance (monitors)

Crossover:
box ontop of amps
4th order butterworth @ 90HZ, sub signal is equalised such that flat to 20Hz excursion limited to 93dB @ 20HZ

Misc:
towels to stop subs rattling around ontop of each other. Foam on left hand wall to absorb early reflection.
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Old 1st April 2011, 04:38 PM   #1915
SimontY is offline SimontY  United Kingdom
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Great student(?) setup!
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Old 21st April 2011, 03:49 AM   #1916
lsyq168 is offline lsyq168  China
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it took me 3days to reading all the threads in the topic,some of the designs are so amazing! well i 'am from china.i like music very much,now it's my turn to show my ugly system
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Old 21st April 2011, 03:57 AM   #1917
lsyq168 is offline lsyq168  China
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my system 3 way all the speakers are HIVI
the pre amp DIY by the jc2 design,the amp DIY pass a 30 colome

the CD play is DIY either and i believe that the cables acounts in the audio system

i like the sound very much
can i upload the pics directhly to the forum?
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Old 2nd May 2011, 05:00 AM   #1918
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Quote:
Originally Posted by lsyq168 View Post
my system 3 way all the speakers are HIVI
the pre amp DIY by the jc2 design,the amp DIY pass a 30 colome

the CD play is DIY either and i believe that the cables acounts in the audio system

i like the sound very much
can i upload the pics directhly to the forum?
yeah dude, go for it
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Old 8th May 2011, 01:45 AM   #1919
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Paper Stone project. High efficiency high power handling low distortion design with added rear firing tweeter.
Complete description on PE forum here.
new project in works. PaperStone BBMTMBB - Techtalk Speaker Building, Audio, Video, and Electronics Customer Discussion Forum From Parts-Express.com
Concept, crossover design and measurements were done by me. Loudspeaker cases by Mark Williams (my friend and happy owner)
Roman.
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File Type: jpg DSC_5224.jpg (356.9 KB, 2648 views)
File Type: jpg y_d98511f4.jpg (158.5 KB, 2433 views)
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File Type: jpg y_bfe3ddec.jpg (168.4 KB, 257 views)
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Old 8th May 2011, 09:45 AM   #1920
ahegyes is offline ahegyes  Romania
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A lot of hard work. Great job !!!
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