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Multi-Way Conventional loudspeakers with crossovers

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Old 4th April 2007, 07:15 PM   #1
zuki is offline zuki  United States
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Default what size box will be best for this driver ?

Nominal impedance Znom 4 Ù
DC resistance Re 3.1 Ù
Voice coil inductance Le 0.22 mH
Resonance frequency fs 55 Hz
Mechanical Q factor Qms 2.2
Electrical Q factor Qes 0.57
Total Q factor Qts 0.45
Mechanical resistance Rms 2.7 kg/s
Moving mass (incl. air load) Mms 17.4 g
Suspension compliance Cms 0.48 mm/N
Effective cone diameter d 124 mm
Effective piston area Sd 120 cm²
Equivalent volume Vas 9.8 l
Force factor Bl 5.7 Tm
Recommended frequency range
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Old 5th April 2007, 12:42 AM   #2
Renron is online now Renron  United States
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Zuki,
download winisd pro. plug in the #'s and it will tell you what size box to make.
How did the other project work out? Subwoofer wasn't' it?
Ron
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Old 5th April 2007, 02:14 AM   #3
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Default Re: what size box will be best for this driver ?

Quote:
Originally posted by zuki
Nominal impedance Znom 4 Ù
DC resistance Re 3.1 Ù
Voice coil inductance Le 0.22 mH
Resonance frequency fs 55 Hz
Mechanical Q factor Qms 2.2
Electrical Q factor Qes 0.57
Total Q factor Qts 0.45
Mechanical resistance Rms 2.7 kg/s
Moving mass (incl. air load) Mms 17.4 g
Suspension compliance Cms 0.48 mm/N
Effective cone diameter d 124 mm
Effective piston area Sd 120 cm²
Equivalent volume Vas 9.8 l
Force factor Bl 5.7 Tm
Recommended frequency range
Looks like an automotive type driver.
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Old 5th April 2007, 05:18 AM   #4
bjorno is offline bjorno  Sweden
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Quote:
what size box will be best for this driver ?
Se pictures.

b

1(2)
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File Type: gif unknown-ported-closed-0.gif (51.0 KB, 123 views)
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Old 5th April 2007, 05:20 AM   #5
bjorno is offline bjorno  Sweden
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2(2)
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File Type: gif unknown-ported-closed-1.gif (46.8 KB, 99 views)
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Old 5th April 2007, 07:35 AM   #6
zuki is offline zuki  United States
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the person who is using the driver has them in a door of infinity 35.

claims the speaker does not go low enough in the bass. i have found when ib installing.
some drivers actually end up with too low of a resonance freq. causing the speaker to sound weak in upper bass range.

so i was wondering what size box this driver required to best performance,

i hate converting litres to cubic feet.



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Old 5th April 2007, 07:36 AM   #7
zuki is offline zuki  United States
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Quote:
Originally posted by Renron
Zuki,
download winisd pro. plug in the #'s and it will tell you what size box to make.
How did the other project work out? Subwoofer wasn't' it?
Ron

i put a photo of the subwoofer up i think.

they turned out really nice.

getting ready to make another set for myself.
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Old 5th April 2007, 08:32 AM   #8
sreten is offline sreten  United Kingdom
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Hi, around 0.15cuft / 4L to 0.3cuft / 8L, /sreten.
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Old 5th April 2007, 10:29 AM   #9
sploo is offline sploo  United Kingdom
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Quote:
Originally posted by zuki i hate converting litres to cubic feet.
1) http://www.google.com
2) convert xxx litres to cubic feet
3) Search
4) Magic!



Works with loads of other units too...
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Old 5th April 2007, 02:22 PM   #10
zuki is offline zuki  United States
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Quote:
Originally posted by sreten
Hi, around 0.15cuft / 4L to 0.3cuft / 8L, /sreten.

so the woofer is not really an ib driver it seems.



thank you.
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