- Nominal diameter
- 12″ / 305 mm
- Resonance
- 110 Hz
- Q factor
- 0.79
- Sensitivity
- 100 dB
- Linear excursion
- ± 0.8 mm
- Program Power
- 240 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
- Sensitivity (1W, 1m, infinite baffle) SPL1W 99.6dB
- Frequency response 80 - 4300Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 110Hz
- Mechanical quality factor QMS 7.19
- Electrical quality factor QES 0.89
- Total quality factor QTS 0.79
Large signal parameters
- Maximum linear excursion xmax 0.8mm
- Air volume displaced at xmax VD 43cm³
- Power handling P 120W
- Program power Pmax 240W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.4Ω
- Inductance (1kHz) LE 0.43mH
- VC Diameter 44mm
- Winding material Copper
- Former material Polyimide
Magnet
- Force factor Bl 12.3N/A
- Motor constant Bl/√RE 4.85N/√W
- Air gap height HAG 7.9mm
- Weight 1.077kg
- Material Ferrite
Diaphragm
- Effective diameter 260mm
- Effective area SD 532cm²
- Moving mass MMS 30g
- Moving mass (without air load) MMD 21.4g
- Material Paper
Suspensions
- Stiffness KMS 14.3N/mm
- Compliance CMS 70µm/N
- Equivalent volume to the compliance VAS 30.8L
- Mechanical resistance RMS 2.88N·s/m
- Surround material Paper
Dimensions
- Nominal diameter 12″
- 305mm
- Overall diameter 306mm
- Baffle cutout diameter 281mm
- Overall depth 130mm
- Volume occupied by the driver 2L
- Net weight 3.72kg
- Frame material Pressed steel