Precision Devices PDN.10MH25

Woofer

10″ / 250 mm
Nominal diameter
74 Hz
Resonance
0.23
Q factor
98 dB
Sensitivity
± 2.6 mm
Linear excursion
600 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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
98.4
dB
Frequency response
80 - 5000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
73.7
Hz
Mechanical quality factor
QMS
7.70
Electrical quality factor
QES
0.24
Total quality factor
QTS
0.23

Large signal parameters

Maximum linear excursion
xmax
2.6
mm
Air volume displaced at xmax
VD
94
cm³
Power handling
P
300
W
Program power
Pmax
600
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
0.39
mH
VC Diameter
63
mm
Winding height
HVC
11
mm
Winding material
Copper
Former material
Glass Fibre

Magnet

Flux density
B
1.67
T
Force factor
Bl
20.97
N/A
Motor constant
Bl/√RE
8.43
N/√W
Air gap height
HAG
8
mm
Material
Neodymium

Diaphragm

Effective diameter
215
mm
Effective area
SD
363
cm²
Moving mass
MMS
36.4
g
Moving mass (without air load)
MMD
31.1
g
Material
Paper

Suspensions

Stiffness
KMS
7.81
N/mm
Compliance
CMS
128
µm/N
Equivalent volume to the compliance
VAS
23.7
L
Mechanical resistance
RMS
2.19
N·s/m

Dimensions

Nominal diameter
10
250
mm
Overall diameter
285
mm
Baffle cutout diameter
227
mm
Overall depth
100
mm
Flange thickness
7
mm
Mounting depth
93
mm
Volume occupied by the driver (estimated)
1.3
L
Net weight
3.26
kg
Precision Devices PDN.10MH25 SPL & Impedance

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