Ciare 12.75W1-4
4Ω
8ΩWoofer
12″ / 320 mm
Nominal diameter
45 Hz
Resonance
0.24
Q factor
96 dB
Sensitivity
± 5.5 mm
Linear excursion
700 W
Program Power
Discontinued
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 96.2
- dB
- Frequency response
- 45 - 2000
- Hz
- Resonance frequency (free air)
- fS
- 45.0
- Hz
- Mechanical quality factor
- QMS
- 12.20
- Electrical quality factor
- QES
- 0.25
- Total quality factor
- QTS
- 0.24
- Maximum linear excursion
- xmax
- 5.5
- mm
- Air volume displaced at xmax
- VD
- 301
- cm³
- Power handling
- P
- 350
- W
- Program power
- Pmax
- 700
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.4
- Ω
- Inductance (1kHz)
- LE
- 1.4
- mH
- VC Diameter
- 75
- mm
- Winding material
- Copper
- Former material
- Kapton
- Force factor
- Bl
- 15.6
- N/A
- Motor constant
- Bl/√RE
- 8.46
- N/√W
- Air gap height
- HAG
- 10
- mm
- Material
- Ferrite
- Effective diameter
- 264
- mm
- Effective area
- SD
- 547
- cm²
- Moving mass
- MMS
- 61
- g
- Moving mass (without air load)
- MMD
- 52
- g
- Material
- Treated Cellulose
- Stiffness
- KMS
- 4.79
- N/mm
- Compliance
- CMS
- 209
- µm/N
- Equivalent volume to the compliance
- VAS
- 89
- L
- Mechanical resistance
- RMS
- 1.41
- N·s/m
- Surround material
- Fabric
- Nominal diameter
- 12
- ″
- 320
- mm
- Overall diameter
- 315
- mm
- Baffle cutout diameter
- 282
- mm
- Overall depth
- 133
- mm
- Flange thickness
- 13
- mm
- Mounting depth
- 120
- mm
- Volume occupied by the driver (estimated)
- 2.2
- L
- Frame material
- Aluminium