10″ / 254 mm
Nominal diameter
65 Hz
Resonance
0.21
Q factor
98 dB
Sensitivity
± 7.5 mm
Linear excursion
900 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.6
dB
Frequency response
100 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
65.0
Hz
Mechanical quality factor
QMS
5.95
Electrical quality factor
QES
0.22
Total quality factor
QTS
0.21
Large signal parameters
Maximum linear excursion
xmax
7.5
mm
Air volume displaced at xmax
VD
272
cm³
Power handling
P
450
W
Program power
Pmax
900
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
1.2
mH
VC Diameter
76
mm
Winding height
HVC
15
mm
Winding material
Copper Clad Aluminium
Former material
Glass Fibre
Magnet
Flux density
B
1.25
T
Force factor
Bl
18.0
N/A
Motor constant
Bl/√RE
7.68
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
215
mm
Effective area
SD
362
cm²
Moving mass
MMS
31
g
Moving mass (without air load)
MMD
25.9
g
Suspensions
Stiffness
KMS
5.18
N/mm
Compliance
CMS
193
µm/N
Equivalent volume to the compliance
VAS
36
L
Mechanical resistance
RMS
2.13
N·s/m
Dimensions
Nominal diameter
10
″
254
mm
Overall diameter
271
mm
Baffle cutout diameter
228
mm
Overall depth
132
mm
Flange thickness
7
mm
Mounting depth
125
mm
Volume occupied by the driver (estimated)
2.1
L
Net weight
5.25
kg
Similar subwoofers to Precision Devices PD.103NR1
10″Mid-range
fS
70 Hz
SD
350 cm²
80 - 5200 Hz
QTS
0.23
xmax
4.0 mm
SPL1W
97 dB
Bl/√RE
7.72
Pmax
500 W
10″Woofer
fS
60 Hz
SD
400 cm²
55 - 3500 Hz
QTS
0.23
xmax
5.0 mm
SPL1W
97 dB
Bl/√RE
7.82
Pmax
1000 W
10″Woofer
fS
60 Hz
SD
400 cm²
55 - 3500 Hz
QTS
0.23
xmax
5.0 mm
SPL1W
97 dB
Bl/√RE
7.82
Pmax
1000 W