View Full Version : Help with measurents to build a Bandpass box for a PowerBass L-124D

10-25-2012, 11:08 AM
Hi everybody, well, like the tittle say, I have a PowerBass L-124D that I want to use in my car, I have a hatchback, so I think that the best box is a bandpass, or is what I want, I need you expert help to let me know what measurents of the box I need to build my box. I will like the hertz cut around 30hz to 40hz

This is what I have of the sub

Size: 12in
Power Handling
(RMS/Peak): 400/800 watts
Nominal Impedance: Dual 4-ohm
Voice Coil Size: 2 in
Frequency Response: 24Hz - 400Hz
Sensitivity: 92dB
Motor Structure: 180 oz
Mounting Depth: 5.4 in
T/S Parameters

VC Impedance: 4 ohm + 4 ohm
Test Impedance: 1.6 ohms
Fs: 29 Hz
SD: 471.4 sqCM
Vas: 59 Ltr
Cms: 207 M/N
Mms: 141.5 g
BL: 11
Qms: 5.2
Qes: 0.54
Qts: 0.49
No: 0.218%
Spl: 92 dB
Xmax: 9.5 mm

Thanks a lot for the help...

10-25-2012, 09:57 PM
Anyone? Please...

10-27-2012, 02:35 PM

11-03-2012, 12:25 AM
Why I can not edit my first post and a URL appear? I dont put that URL in there... ( Dual 4-ohm )