Eighteen Sound 6ND410 16Ω
8Ω
16Ω
Mid-range
6.5″ / 152 mm
Nominal diameter
149 Hz
Resonance
0.48
Q factor
97 dB
Sensitivity
± 2 mm
Linear excursion
240 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 96.7
- dB
- Frequency response
- 200 - 8000
- Hz
- Resonance frequency (free air)
- fS
- 149
- Hz
- Mechanical quality factor
- QMS
- 4.14
- Electrical quality factor
- QES
- 0.55
- Total quality factor
- QTS
- 0.48
- Maximum linear excursion
- xmax
- 2.0
- mm
- Air volume displaced at xmax
- VD
- 29
- cm³
- Power handling
- P
- 180
- W
- Program power
- Pmax
- 240
- W
- Nominal impedance
- Z
- 16
- Ω
- DC resistance
- RE
- 10.6
- Ω
- Inductance (1kHz)
- LE
- 0.14
- mH
- VC Diameter
- 44
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 13.0
- N/A
- Motor constant
- Bl/√RE
- 3.99
- N/√W
- Material
- Neodymium
- Effective diameter
- 135
- mm
- Effective area
- SD
- 143
- cm²
- Moving mass
- MMS
- 8.8
- g
- Moving mass (without air load)
- MMD
- 7.6
- g
- Material
- Weather protected
- Stiffness
- KMS
- 7.69
- N/mm
- Compliance
- CMS
- 130
- µm/N
- Equivalent volume to the compliance
- VAS
- 6.2
- L
- Mechanical resistance
- RMS
- 1.99
- N·s/m
- Nominal diameter
- 6.5
- ″
- 152
- mm
- Overall diameter
- 162
- mm
- Baffle cutout diameter
- 148
- mm
- Overall depth
- 60
- mm
- Flange thickness
- 9
- mm
- Mounting depth
- 51
- mm
- Volume occupied by the driver (estimated)
- 0.36
- L
- Net weight
- 1.25
- kg