Pride Eco 12
Subwoofer
12″ / 305 mm
Nominal diameter
33 Hz
Resonance
0.75
Q factor
85 dB
Sensitivity
± 14 mm
Linear excursion
600 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.2
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
33.1
Hz
Mechanical quality factor
QMS
4.63
Electrical quality factor
QES
0.90
Total quality factor
QTS
0.75
Large signal parameters
Maximum linear excursion
xmax
14.0
mm
Air volume displaced at xmax
VD
708
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz, estimated)
LE
1.06
mH
VC Diameter
51
mm
Magnet
Force factor
Bl
11.5
N/A
Motor constant
Bl/√RE
6.33
N/√W
Weight
1.8
kg
Material
Ferrite
Diaphragm
Effective diameter
254
mm
Effective area
SD
506
cm²
Moving mass
MMS
172.5
g
Moving mass (without air load)
MMD
164.4
g
Suspensions
Stiffness
KMS
7.46
N/mm
Compliance
CMS
134
µm/N
Equivalent volume to the compliance
VAS
48.5
L
Mechanical resistance
RMS
7.75
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Baffle cutout diameter
282
mm
Overall depth
136
mm
Volume occupied by the driver (estimated)
2.1
L
Net weight
4.42
kg
Frame material
Steel
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SD
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SD
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