BassBox Pro - Ljudia

By Magnus J, Ljudia
Email, tech@ljudia.com
Box Properties
--Description--
Name:
Type: Closed Box
Shape: Prism, slanted front
--Box Parameters--
Vb = 76,26 liters
V(total) = 82,12 liters
Qtc = 0,707
QL = 6,543
F3 = 52,56 Hz
Fill = heavy
Driver Properties
--Description--
Name: MGR FAT-108
Type: Standard one-way driver
Company: Zachry
Piston: PP
Frame: Steel
Voice Coil: Kapton
Magnet: Ferrite
--Configuration--
No. of Drivers = 3
Mounting = Standard
Wiring = Parallel
Drivers sum coherently = Yes
--Mechanical Parameters--
Fs = 35,56 Hz
Qms = 4,98
Vas = 35,64 liters [106,9]
Cms = 0,29 mm/N [0,0967]
Mms = 69,99 g [210,]
P-Dia = 195, mm [337,7]
Sd = 294,2 sq.cm [882,6]
--Electrical Parameters--
Qes = 0,73
Re = 7,4 ohms [2,467]
Z = 8, ohms [2,667]
BL = 12,58 Tm [12,59]
Pe = 100, watts [300,]
--Electromech. Parameters--
Qts = 0,64
1-W SPL = 84, dB [88,77]
E
D
B
H
G
C
A
--External Dimensions--
A = 380, mm
B = 980, mm
C = 346, mm
D = 265,2 mm
E = 388,5 mm
--Internal Dimensions--
A = 336, mm
B = 936, mm
C = 296,8 mm
D = 225,4 mm
E = 343,5 mm
--Wall Thickness--
Front = 22, mm
Side = 22, mm
--Angles--
G = 102,°
H = 78,°
File: MGR FAT-108.bb6

Page Two -- MGR FAT-108.bb6
n
d
e
a
top
front
back
n
h
k
g
sides
m
a
Box Parts
Box Shape: Slanted Front Prism
1 Top: height (d) = 269,9 mm
width (b) = 980, mm
thickness = 22, mm
cut angle (front edge only) = 12,°
1 Front: total height (e) = 348,2 mm
exposed surface height (n) = 388,5 mm
width (b) = 980,, thickness = 22, mm
top/bottom cut angles = ± 12,°
1 Back: height (a) = 336, mm
width (b) = 980,, thickness = 22, mm
1 Bottom: height (c) = 346, mm
width (b) = 980,, thickness = 22, mm
cut angle (front edge only) = 12,°
2 Sides: top depth (k) = 225,4 mm
height (a) = 336, mm
bottom depth (m) = 296,8 mm
front length (n) = 388,5 mm
thickness = 22, mm
Angle g = 102,°, Angle h = 78,°
--Driver Mounting--
Mounting: Flush
Aim: All drivers face same direction
c
bottom
b

Page Three -- MGR FAT-108.bb6
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