Dayton Audio Reference RS180P-8
4Ω
8Ω
Woofer
7″ / 181 mm
Nominal diameter
46 Hz
Resonance
0.34
Q factor
88 dB
Sensitivity
± 6 mm
Linear excursion
90 W
Program Power
- Parts Express
- $$
- Amazon.com
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.3
- dB
- Frequency response
- 45 - 8000
- Hz
- Resonance frequency (free air)
- fS
- 45.8
- Hz
- Mechanical quality factor
- QMS
- 1.49
- Electrical quality factor
- QES
- 0.44
- Total quality factor
- QTS
- 0.34
- Maximum linear excursion
- xmax
- 6.0
- mm
- Air volume displaced at xmax
- VD
- 76
- cm³
- Power handling
- P
- 60
- W
- Program power
- Pmax
- 90
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.3
- Ω
- Inductance (1kHz)
- LE
- 0.84
- mH
- VC Diameter
- 39
- mm
- Force factor
- Bl
- 7.16
- N/A
- Motor constant
- Bl/√RE
- 2.85
- N/√W
- Material
- Ferrite
- Effective diameter
- 127
- mm
- Effective area
- SD
- 127
- cm²
- Moving mass
- MMS
- 12.4
- g
- Moving mass (without air load)
- MMD
- 11.3
- g
- Material
- Paper / Kevlar
- Stiffness
- KMS
- 1.02
- N/mm
- Compliance
- CMS
- 980
- µm/N
- Equivalent volume to the compliance
- VAS
- 22
- L
- Mechanical resistance
- RMS
- 2.39
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 7
- ″
- 181
- mm
- Overall diameter
- 181
- mm
- Baffle cutout diameter
- 146
- mm
- Overall depth
- 81
- mm
- Volume occupied by the driver (estimated)
- 0.55
- L
- Frame material
- Cast Aluminium