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
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 97.2
- dB
- Frequency response
- 45 - 5000
- Hz
- 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
- 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
- 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
- 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
- Effective diameter
- 265
- mm
- Effective area
- SD
- 550
- cm²
- Moving mass
- MMS
- 48.3
- g
- Moving mass (without air load)
- MMD
- 38.8
- g
- 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
- 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
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
Closed Box Simulator·
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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