Precision Devices PD.124NR1
Mid-range
12″ / 305 mm
Nominal diameter
58 Hz
Resonance
0.35
Q factor
96 dB
Sensitivity
± 8.5 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.7
dB
Frequency response
45 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
58.0
Hz
Mechanical quality factor
QMS
8.20
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
8.5
mm
Air volume displaced at xmax
VD
459
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz)
LE
2.6
mH
VC Diameter
102
mm
Winding height
HVC
22
mm
Winding material
Copper Clad Aluminium
Former material
Glass Fibre
Magnet
Flux density
B
1.25
T
Force factor
Bl
19.2
N/A
Motor constant
Bl/√RE
7.77
N/√W
Air gap height
HAG
11
mm
Material
Neodymium
Diaphragm
Effective diameter
262
mm
Effective area
SD
540
cm²
Moving mass
MMS
60
g
Moving mass (without air load)
MMD
50.7
g
Material
Paper
Suspensions
Stiffness
KMS
8.4
N/mm
Compliance
CMS
119
µm/N
Equivalent volume to the compliance
VAS
49
L
Mechanical resistance
RMS
2.67
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
331
mm
Baffle cutout diameter
280
mm
Overall depth
146
mm
Flange thickness
10
mm
Mounting depth
136
mm
Volume occupied by the driver (estimated)
3.1
L
Net weight
7.0
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Precision Devices PD.124NR1
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12″Mid Bass
fS
55 Hz
SD
530 cm²
40 - 4000 Hz
QTS
0.40
xmax
5.5 mm
SPL1W
95 dB
Bl/√RE
7.08
Pmax
1000 W
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12″Low frequency
fS
50 Hz
SD
531 cm²
48 - 3700 Hz
QTS
0.30
xmax
6.5 mm
SPL1W
96 dB
Bl/√RE
7.38
Pmax
600 W
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12″Subwoofer
fS
58 Hz
SD
531 cm²
55 - 4200 Hz
QTS
0.36
xmax
6.5 mm
SPL1W
96 dB
Bl/√RE
7.41
Pmax
700 W