BassBox Pro - Ljudia

By Magnus J, Ljudia
Email, tech@ljudia.com
Box Properties
--Description--
Name:
Type: Vented Box
Shape: Prism, square (optimum)
--Box Parameters--
Vb = 111,1 liters
V(total) = 121,1 liters
Fb = 40,09 Hz
QL = 6,366
F3 = 43,82 Hz
Fill = minimal
--Vents--
No. of Vents = 2
Vent shape = round
Vent ends = one flared
Dv = 103, mm
Lv = 181,8 mm
A
B
C
--External Dimensions--
A = 838,4 mm
B = 532,7 mm
C = 343,7 mm
--Internal Dimensions--
A = 800,4 mm
B = 494,7 mm
C = 305,7 mm
--Wall Thickness--
Front = 19, mm
Side = 19, mm
Driver Properties
--Description--
Name: FL-15LF
Type: Standard one-way driver
Company: P. Audio System Co., Ltd.
--Configuration--
No. of Drivers = 1
--Mechanical Parameters--
Fs = 45, Hz
Qms = 7,
Vas = 108, liters
--Electrical Parameters--
Qes = 0,46
--Electromech. Parameters--
Qts = 0,432

Page Two
c
top & bottom
Box Parts
Box Shape: Optimum Square Prism
1 Top, 1 Bottom: depth (c) = 343,7 mm
width (b) = 532,7, thickness = 19, mm
1 Front, 1 Back: height (a) = 800,4 mm
width (d) = 494,7, thickness = 19, mm
2 Sides: height (a) = 800,4 mm
depth (c) = 343,7, thickness = 19, mm
--Driver Mounting--
Mounting: Flush
b
d
c
--Vent Parts--
2 Ducts: outside diameter (e) = 109,4 mm
inside diameter (g) = 103, mm
length (h) = 181,8 mm
a
front & back
sides
vent
e
g
h

Page Three
dB
Normalized Amplitude Response (dB-SPL/Hz)
BassBox 6 Pro
6
0
-6
-12
-18
-24
-30
-36
5 Hz 10 50 100 500 1 K 5 K 10 K 20 K
System Impedance (ohms/Hz)
ohms
80
BassBox 6 Pro
70
60
50
40
30
20
10
5 Hz 10 50 100 500 1 K 5 K 10 K 20 K
Phase Response (deg/Hz)
deg
90
BassBox 6 Pro
0
-90
±180
90
0
-90
±180
5 Hz 10 50 100 500 1 K 5 K 10 K 20 K
msec
24
Group Delay (msec/Hz)
BassBox 6 Pro
20
16
12
8
4
0
-4
-8
5 Hz 10 50 100 500 1 K 5 K 10 K 20 K