PHL audio 1680NdM-10
Coaxial
6.5″ / 170 mm
Nominal diameter
125 Hz
Resonance
0.31
Q factor
94 dB
Sensitivity
± 2.5 mm
Linear excursion
500 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 93.7
- dB
- Frequency response
- 300 - 5000
- Hz
- Resonance frequency (free air)
- fS
- 125
- Hz
- Mechanical quality factor
- QMS
- 4.08
- Electrical quality factor
- QES
- 0.34
- Total quality factor
- QTS
- 0.31
- Maximum linear excursion
- xmax
- 2.5
- mm
- Maximum excursion before damage
- xlim
- 3.0
- mm
- Air volume displaced at xmax
- VD
- 32
- cm³
- Power handling
- P
- 250
- W
- Program power
- Pmax
- 500
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.2
- Ω
- Inductance (1kHz)
- LE
- 0.75
- mH
- VC Diameter
- 51
- mm
- Winding height
- HVC
- 11
- mm
- Force factor
- Bl
- 12.5
- N/A
- Motor constant
- Bl/√RE
- 5.48
- N/√W
- Air gap height
- HAG
- 8
- mm
- Diameter
- 98
- mm
- Material
- Neodymium
- Effective diameter
- 128
- mm
- Effective area
- SD
- 129
- cm²
- Moving mass
- MMS
- 13
- g
- Moving mass (without air load)
- MMD
- 11.9
- g
- Stiffness
- KMS
- 8.33
- N/mm
- Compliance
- CMS
- 120
- µm/N
- Equivalent volume to the compliance
- VAS
- 2.9
- L
- Mechanical resistance
- RMS
- 2.5
- N·s/m
- Nominal diameter
- 6.5
- ″
- 170
- mm
- Overall diameter
- 163
- mm
- Baffle cutout diameter
- 146
- mm
- Overall depth
- 71
- mm
- Flange thickness
- 8
- mm
- Mounting depth
- 63
- mm
- Volume occupied by the driver
- 0.4
- L
- Net weight
- 1.7
- kg