Features
• Kenaf-Cellgaia hybrid cone
• Reasonable Qts value for easy
bass-reflex enclosure design
• Newly designed aluminum die-
cast frame
• Ferrite magnet & repulsion type
magnet shielded circuit
Specifications
&
Thiele/Small Parameters
Size :
Voice Coil Diameter
:
Cast / Stamped :
Impedance :
Reproduction Frequency Response
:fs -
Sound Pressure Level
:
Rated Input :
Music Power :
Magnet Material :
Magnet Weight
(main) :
(cancel) :
Net Weight
226 0.498
152 0.335
1,495 3.296
mm / in
130 5
mm / in
30.4 1.2
Cast
Ω
8
kHz
8
dB/W(m)
87
W
25
W
75
Ferrite
g / lb
g / lb
g / lb
Low Flux Leakage Woofer
FW137
Frequency Response / Impedance
110
100
90
80
70
60
50
(dB)
20 50 100 200 500
Hz
Impedance
1k
2k 5k
60
Ω
30
20k
64
32
0
16
8
4
0
10k
a :
Sd :
Zn :
Fs :
Re :
Le :
Qms :
Qes :
Qts :
Mms :
BL :
Vas :
Xmax :
Eff/η0 :
Cms :
EBP :
55
0.0095
55
7.4
0.067
3.58
0.57
0.5
11.7
7.06
10.202
0.24
0.0008
96.491
mm
m
Ω
8
Hz
Ω
mH
g
Telsa/m
L
mm
1
%
mm/N
2
Dimensions & Mounting Information
5-ø4.2 hole
(8)
(77)
Overall Diameter :
Baffle Hole Diameter
:
Depth :
ø155
ø91.5
ø121
ø150
mm / in
155 6.1
mm / in
122 4.8
mm / in
86.8 3.4
9.8
(86.8)
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