5″ / 133 mm
Nominal diameter
64 Hz
Resonance
0.59
Q factor
85 dB
Sensitivity
± 5.37 mm
Linear excursion
70 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.1
dB
Frequency response
100 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
64.0
Hz
Mechanical quality factor
QMS
4.33
Electrical quality factor
QES
0.68
Total quality factor
QTS
0.59
Large signal parameters
Maximum linear excursion
xmax
5.37
mm
Air volume displaced at xmax
VD
47
cm³
Power handling
P
35
W
Program power
Pmax
70
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
0.44
mH
VC Diameter
26
mm
Magnet
Force factor
Bl
4.93
N/A
Motor constant
Bl/√RE
2.71
N/√W
Air gap height
HAG
6
mm
Diaphragm
Effective diameter
105
mm
Effective area
SD
87
cm²
Moving mass
MMS
12.3
g
Moving mass (without air load)
MMD
11.7
g
Suspensions
Stiffness
KMS
2.0
N/mm
Compliance
CMS
500
µm/N
Equivalent volume to the compliance
VAS
5.3
L
Mechanical resistance
RMS
1.14
N·s/m
Dimensions
Nominal diameter
5
″
133
mm
Volume occupied by the driver (estimated)
0.32
L
Net weight
0.82
kg
Similar woofers to Peerless GBS-135F25AL02-04
5″Woofer
fS
75 Hz
SD
90 cm²
65 - 4000 Hz
QTS
0.56
xmax
3.5 mm
SPL1W
85 dB
Bl/√RE
2.23
Pmax
240 W
6.5″Woofer
fS
68 Hz
SD
143 cm²
80 - 3000 Hz
QTS
0.67
xmax
7.6 mm
SPL1W
85 dB
Bl/√RE
3.21
Pmax
60 W
5″Woofer
fS
65 Hz
SD
87 cm²
50 - 5000 Hz
QTS
0.62
xmax
5.5 mm
SPL1W
86 dB
Bl/√RE
2.28
Pmax
120 W