Diagram

File: LAB12SmallVentedSubCabinet.bb6
LAB12 Small Sub or Bass Guitar Extreme Bottom End
By McJerry, Eminence Speaker LLC
Thermally Limited to 400 Watts; F3 of 40 Hz. Use a steep high pass filter
set to 30 Hz to protect woofer from overexcursion.
Box Properties
--Description--
Name:
Type: Vented Box
Shape: Prism, square
--Box Parameters--
Vb = 1.4 cu.ft
V(total) = 1.66 cu.ft
Fb = 44 Hz
QL = 7
F3 = 39.32 Hz
Fill = minimal
--Vents--
No. of Vents = 2
Vent shape = round
Vent ends = one flush
Dv = 3 in
Lv = 11.05 in
Driver Properties
--Description--
Name: LAB 12
Type: Standard one-way driver
Company: Eminence Speaker LLC
Comment: Revised NOV 2005
Piston: Kevlar-reinforced cone.
Suspension: Foam surround.
Dust Cap: Dual inverted dust caps
Frame: Diecast aluminum basket.
Voice Coil: 2.5 inch (63.5 mm) copper
Magnet: Double-stacked 80 oz ferrite
--Configuration--
No. of Drivers = 1
--Driver Parameters--
Fs = 22 Hz
Qms = 13.32
Vas = 125.2 liters
Xmax = 13 mm
Sd = 506.7 sq.cm
Qes = 0.39
Re = 4.29 ohms
Le = 1.48 mH
Z = 6 ohms
Pe = 400 watts
Normalized Amplitude Response (dB-SPL/Hz)
Eminence Designer
dB
6
0
-6
-12
-18
-24
-30
-36
5 Hz 10 50 100 500 1 K 5 K 10 K 20 K
Custom Amplitude Response (dB-SPL/Hz at 1 m) with 400 watts
Eminence Designer
dB
121
115
109
103
97
91
85
79
5 Hz 10 50 100 500 1 K 5 K 10 K 20 K
Maximum Acoustic Power (dB-SPL/Hz at 1 m)
Eminence Designer
dB
119
113
107
101
95
89
83
77
5 Hz 10 50 100 500 1 K 5 K 10 K 20 K