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18th January 2011, 04:56 AM
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#1 |
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diyAudio Member
Join Date: Jan 2011
Location: Bucharest
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help with bandpass dimensions
Hy guys can you help me with the dimension for a 4th order bandpass enclosure.
And what is the correct cutoff frequency, i`m thinking at 200hz? Monacor - Romania |
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18th January 2011, 09:54 AM
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#2 | |
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diyAudio Member
Join Date: Nov 2001
Location: Pune India
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Quote:
Will need the driver specifications to go ahead. If u want 200 hz cut off on higher side ( i assume) then the lower side cutoff will be from 80~100 hz normally. |
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18th January 2011, 12:35 PM
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#3 |
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diyAudio Member
Join Date: Jan 2011
Location: Bucharest
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the driver specification are in the link. but i`ll post them here to. I`m refering at the cutoff frequency for the subwoofer.
It`s dual coil Impedance (Z)2 x 8Ω Resonant frequency (fs)23Hz Max. frequency rangef3-2,000Hz Rec. crossover freq. (fmax.)1,000Hz Music power2 x 250WMAX Power rating (P)2 x 120WRMS SPL (1W/1m)91dB Suspension compl. (Cms)0.85mm/N Moving mass (Mms)68g Mech. resistance (Rms)3.2kg/s Mech. Q factor (Qms)3.03 Electr. Q factor (Qes)0.26 Total Q factor (Qts)0.24 Equivalent volume (Vas)290 l DC resistance (Re)2 x 6.3Ω/3.2Ω Voice coil induct. (Le)2 x 1.0mH/1.0mH Voice coil diameter 50mm Voice coil former aluminium Voice coil winding height16mm Air gap height8mm Linear excursion (XMAX)±4mm Eff. cone area (Sd)495cm2 Volume displacement (Vd)198cm3 Force factor (BxL)10.3Tm Reference efficiency (No)1.3% Magnet diameter156mm Magnet weight1.4kg Mounting cutoutŲ 280mm Mounting depth140mm DimensionsŲ 306mm Weight4.0kg Rec. net cabinet volume Closed38 l Bass-reflex72 l Last edited by Matei Alin; 18th January 2011 at 12:57 PM. Reason: bad gramar |
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18th January 2011, 01:18 PM
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#4 |
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diyAudio Member
Join Date: Dec 2007
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quickly to simulate and still don't see any details i post the link to download cab design. Matei Alin high freq cut off about 100-150 is better than 200 hz
monacor.rar |
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18th January 2011, 01:35 PM
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#5 |
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diyAudio Member
Join Date: Jan 2011
Location: Bucharest
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The size isn`t a issue for me. And the port diameter is? Tnx (is this the best size) in bass box 6 it give me v1= 30l v2 = 27l.
What about this  Uploaded with ImageShack.us  Uploaded with ImageShack.us  Uploaded with ImageShack.us Last edited by Matei Alin; 18th January 2011 at 01:47 PM. |
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18th January 2011, 07:54 PM
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#6 |
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diyAudio Member
Join Date: Dec 2007
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i don't sure the bass box 6 count the length of port with the two flare ends. about the flare port design,u can read this website they also have flare port calc to download.
Port Flares |
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18th January 2011, 10:46 PM
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#7 |
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diyAudio Member
Join Date: Jan 2011
Location: Bucharest
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uokey, tnx, i`ll build this
 , tnx a lot :*
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