Precision Devices PD.123C001
Mid-range
12″ / 305 mm
Nominal diameter
35 Hz
Resonance
0.14
Q factor
97 dB
Sensitivity
± 7.5 mm
Linear excursion
800 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 96.8
- dB
- Frequency response
- 45 - 4000
- Hz
- Resonance frequency (free air)
- fS
- 35.0
- Hz
- Mechanical quality factor
- QMS
- 7.50
- Electrical quality factor
- QES
- 0.15
- Total quality factor
- QTS
- 0.14
- Maximum linear excursion
- xmax
- 7.5
- mm
- Air volume displaced at xmax
- VD
- 410
- cm³
- Power handling
- P
- 400
- W
- Program power
- Pmax
- 800
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.5
- Ω
- Inductance (1kHz)
- LE
- 2.17
- mH
- VC Diameter
- 76
- mm
- Winding height
- HVC
- 21
- mm
- Winding material
- Copper
- Former material
- Glass Fibre
- Flux density
- B
- 1.2
- T
- Force factor
- Bl
- 24.5
- N/A
- Motor constant
- Bl/√RE
- 10.4
- N/√W
- Air gap height
- HAG
- 11
- mm
- Weight
- 3.3
- kg
- Material
- Ferrite Y30
- Effective diameter
- 264
- mm
- Effective area
- SD
- 547
- cm²
- Moving mass
- MMS
- 70
- g
- Moving mass (without air load)
- MMD
- 60.6
- g
- Stiffness
- KMS
- 3.47
- N/mm
- Compliance
- CMS
- 288
- µm/N
- Equivalent volume to the compliance
- VAS
- 122
- L
- Mechanical resistance
- RMS
- 2.05
- N·s/m
- Nominal diameter
- 12
- ″
- 305
- mm
- Overall diameter
- 331
- mm
- Baffle cutout diameter
- 279
- mm
- Overall depth
- 121
- mm
- Flange thickness
- 10
- mm
- Mounting depth
- 111
- mm
- Volume occupied by the driver (estimated)
- 3.4
- L
- Net weight
- 9.7
- kg