Scan-Speak Revelator 18M/8631T00
Mid-range
8″ / 180 mm
Nominal diameter
65 Hz
Resonance
0.71
Q factor
88 dB
Sensitivity
± 3 mm
Linear excursion
250 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.4
- dB
- Frequency response
- 70 - 6000
- Hz
- Resonance frequency (free air)
- fS
- 65.0
- Hz
- Mechanical quality factor
- QMS
- 5.24
- Electrical quality factor
- QES
- 0.82
- Total quality factor
- QTS
- 0.71
- Maximum linear excursion
- xmax
- 3.0
- mm
- Maximum excursion before damage
- xlim
- 14.5
- mm
- Air volume displaced at xmax
- VD
- 46
- cm³
- Power handling
- P
- 120
- W
- Program power
- Pmax
- 250
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.0
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.41
- mH
- VC Diameter
- 38
- mm
- Winding height
- HVC
- 10.9
- mm
- Former material
- Titanium
- Force factor
- Bl
- 6.5
- N/A
- Motor constant
- Bl/√RE
- 2.65
- N/√W
- Air gap height
- HAG
- 5
- mm
- Effective diameter
- 138
- mm
- Effective area
- SD
- 154
- cm²
- Moving mass
- MMS
- 14.2
- g
- Moving mass (without air load)
- MMD
- 12.8
- g
- Material
- Sliced
- Stiffness
- KMS
- 2.38
- N/mm
- Compliance
- CMS
- 420
- µm/N
- Equivalent volume to the compliance
- VAS
- 14
- L
- Mechanical resistance
- RMS
- 1.11
- N·s/m
- Surround material
- Coated Foam
- Nominal diameter
- 8
- ″
- 180
- mm
- Volume occupied by the driver
- 0.47
- L
- Net weight
- 1.7
- kg