Precision Devices PD.1225C001
Mid-range
12″ / 305 mm
Nominal diameter
39 Hz
Resonance
0.19
Q factor
97 dB
Sensitivity
± 5.6 mm
Linear excursion
600 W
Program Power
.jpg)
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.2
dB
Frequency response
45 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
5.90
Electrical quality factor
QES
0.20
Total quality factor
QTS
0.19
Large signal parameters
Maximum linear excursion
xmax
5.6
mm
Air volume displaced at xmax
VD
308
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.33
mH
VC Diameter
64
mm
Winding height
HVC
15.8
mm
Winding material
Copper Clad Aluminium
Former material
Glass Fibre
Magnet
Flux density
B
1.1
T
Force factor
Bl
17.54
N/A
Motor constant
Bl/√RE
7.69
N/√W
Air gap height
HAG
9
mm
Weight
2.45
kg
Material
Ferrite Y30
Diaphragm
Effective diameter
265
mm
Effective area
SD
550
cm²
Moving mass
MMS
48.3
g
Moving mass (without air load)
MMD
38.8
g
Suspensions
Stiffness
KMS
2.75
N/mm
Compliance
CMS
363
µm/N
Equivalent volume to the compliance
VAS
156
L
Mechanical resistance
RMS
2.01
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
331
mm
Baffle cutout diameter
279
mm
Overall depth
113
mm
Flange thickness
10
mm
Mounting depth
103
mm
Volume occupied by the driver (estimated)
3.0
L
Net weight
8.45
kg
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Precision Devices PD.1225C001
.png.webp)
15″Woofer
fS
39 Hz
SD
855 cm²
40 - 2000 Hz
QTS
0.21
xmax
8.0 mm
SPL1W
97 dB
Bl/√RE
12
Pmax
1200 W
.png.webp)
15″Woofer
fS
40 Hz
SD
855 cm²
40 - 2000 Hz
QTS
0.21
xmax
7.0 mm
SPL1W
97 dB
Bl/√RE
12
Pmax
1000 W
.jpg.webp)
15″Subwoofer
fS
32 Hz
SD
830 cm²
37 - 2000 Hz
QTS
0.17
xmax
5.5 mm
SPL1W
97 dB
Bl/√RE
12
Pmax
1200 W