Peerless GBS-85N25PR03-04
Shallow Woofer
3.5″ / 89 mm
Nominal diameter
120 Hz
Resonance
0.91
Q factor
84 dB
Sensitivity
± 3.05 mm
Linear excursion
30 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.8
dB
Frequency response
100 - 8000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
120
Hz
Mechanical quality factor
QMS
5.24
Electrical quality factor
QES
1.10
Total quality factor
QTS
0.91
Large signal parameters
Maximum linear excursion
xmax
3.05
mm
Air volume displaced at xmax
VD
11
cm³
Power handling
P
15
W
Program power
Pmax
30
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.1
mH
VC Diameter
26
mm
Magnet
Force factor
Bl
2.9
N/A
Motor constant
Bl/√RE
1.62
N/√W
Air gap height
HAG
3
mm
Material
Neodymium
Diaphragm
Effective diameter
67
mm
Effective area
SD
35
cm²
Moving mass
MMS
3.8
g
Moving mass (without air load)
MMD
3.6
g
Material
Paper
Suspensions
Stiffness
KMS
2.22
N/mm
Compliance
CMS
450
µm/N
Equivalent volume to the compliance
VAS
0.789
L
Mechanical resistance
RMS
0.54
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
3.5
″
89
mm
Volume occupied by the driver (estimated)
0.1
L
Net weight
0.121
kg
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SpeakerbenchSimilar woofers to Peerless GBS-85N25PR03-04
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2.75″Full-range
fS
123 Hz
SD
28 cm²
160 - 20000 Hz
QTS
0.96
xmax
2.3 mm
SPL1W
83 dB
Bl/√RE
1.33
Pmax
40 W
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Fostex PW80K8 Ω
3.2″Woofer
fS
130 Hz
SD
28 cm²
130 - 23000 Hz
QTS
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xmax
2.2 mm
SPL1W
84 dB
Bl/√RE
1.16
Pmax
24 W
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