Peerless GBS-115N25AL01-04
Shallow Woofer
4.5″ / 114 mm
Nominal diameter
90 Hz
Resonance
0.63
Q factor
84 dB
Sensitivity
± 4.85 mm
Linear excursion
40 W
Program Power
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Available on (affiliate link)
Parts Express
$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.2
dB
Frequency response
90 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
90.0
Hz
Mechanical quality factor
QMS
3.46
Electrical quality factor
QES
0.77
Total quality factor
QTS
0.63
Large signal parameters
Maximum linear excursion
xmax
4.85
mm
Air volume displaced at xmax
VD
28
cm³
Power handling
P
20
W
Program power
Pmax
40
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
0.34
mH
VC Diameter
26
mm
Magnet
Force factor
Bl
4.53
N/A
Motor constant
Bl/√RE
2.49
N/√W
Air gap height
HAG
5
mm
Material
Neodymium
Diaphragm
Effective diameter
86
mm
Effective area
SD
58
cm²
Moving mass
MMS
8.5
g
Moving mass (without air load)
MMD
8.1
g
Material
Aluminum
Suspensions
Stiffness
KMS
2.7
N/mm
Compliance
CMS
370
µm/N
Equivalent volume to the compliance
VAS
1.79
L
Mechanical resistance
RMS
1.38
N·s/m
Surround material
NBR Rubber
Dimensions
Nominal diameter
4.5
″
114
mm
Volume occupied by the driver (estimated)
0.19
L
Net weight
0.21
kg
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fS
86 Hz
SD
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86 - 5000 Hz
QTS
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xmax
2.7 mm
SPL1W
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Bl/√RE
1.7
Pmax
25 W
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3.5″Mid-range
fS
85 Hz
SD
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85 - 10000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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Pmax
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fS
92 Hz
SD
36 cm²
110 - 22000 Hz
QTS
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xmax
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SPL1W
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