Eighteen Sound 12ND710
8Ω
16ΩMid Bass
12″ / 300 mm
Nominal diameter
52 Hz
Resonance
0.2
Q factor
99 dB
Sensitivity
± 5 mm
Linear excursion
700 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 98.9
- dB
- Frequency response
- 60 - 6000
- Hz
- Resonance frequency (free air)
- fS
- 52.0
- Hz
- Mechanical quality factor
- QMS
- 6.00
- Electrical quality factor
- QES
- 0.20
- Total quality factor
- QTS
- 0.20
- Maximum linear excursion
- xmax
- 5.0
- mm
- Air volume displaced at xmax
- VD
- 265
- cm³
- Power handling
- P
- 450
- W
- Program power
- Pmax
- 700
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.0
- Ω
- Inductance (1kHz)
- LE
- 1.0
- mH
- VC Diameter
- 75
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 18.0
- N/A
- Motor constant
- Bl/√RE
- 8.05
- N/√W
- Material
- Neodymium
- Effective diameter
- 260
- mm
- Effective area
- SD
- 530
- cm²
- Moving mass
- MMS
- 40
- g
- Moving mass (without air load)
- MMD
- 31.3
- g
- Stiffness
- KMS
- 4.27
- N/mm
- Compliance
- CMS
- 234
- µm/N
- Equivalent volume to the compliance
- VAS
- 92
- L
- Mechanical resistance
- RMS
- 2.18
- N·s/m
- Nominal diameter
- 12
- ″
- 300
- mm
- Overall diameter
- 315
- mm
- Baffle cutout diameter
- 282
- mm
- Overall depth
- 141
- mm
- Flange thickness
- 11
- mm
- Mounting depth
- 130
- mm
- Volume occupied by the driver (estimated)
- 2.2
- L
- Net weight
- 4.4
- kg