Pride T v.3 18 D2

Subwoofer

18″ / 457 mm
Nominal diameter
27 Hz
Resonance
0.34
Q factor
90 dB
Sensitivity
± 33 mm
Linear excursion
5000 W
Program Power
Discontinued
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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
89.9
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
27.0
Hz
Mechanical quality factor
QMS
5.84
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.34

Large signal parameters

Maximum linear excursion
xmax
33.0
mm
Air volume displaced at xmax
VD
3845
cm³
Power handling
P
2500
W
Program power
Pmax
5000
W

Voice Coil

Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.3
Ω
Inductance (1kHz, in series, estimated)
LE
2.2
mH
VC Diameter
76
mm

Magnet

Force factor (in series)
Bl
29.5
N/A
Motor constant
Bl/√RE
16.2
N/√W
Material
Ferrite

Diaphragm

Effective diameter
385
mm
Effective area
SD
1165
cm²
Moving mass
MMS
560.4
g
Moving mass (without air load)
MMD
532.5
g

Suspensions

Stiffness
KMS
16.13
N/mm
Compliance
CMS
62
µm/N
Equivalent volume to the compliance
VAS
120
L
Mechanical resistance
RMS
16.28
N·s/m

Dimensions

Nominal diameter
18
457
mm
Baffle cutout diameter
422
mm
Overall depth
264
mm
Volume occupied by the driver (estimated)
11.0
L
Frame material
Aluminium


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