Dayton Audio Reference RS180-8
4Ω
8Ω
Woofer
7″ / 181 mm
Nominal diameter
36 Hz
Resonance
0.31
Q factor
86 dB
Sensitivity
± 6 mm
Linear excursion
120 W
Program Power
- Parts Express
- $$
- Amazon.com
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.8
- dB
- Frequency response
- 39 - 3600
- Hz
- Resonance frequency (free air)
- fS
- 35.7
- Hz
- Mechanical quality factor
- QMS
- 1.22
- Electrical quality factor
- QES
- 0.42
- Total quality factor
- QTS
- 0.31
- Maximum linear excursion
- xmax
- 6.0
- mm
- Air volume displaced at xmax
- VD
- 75
- cm³
- Power handling
- P
- 60
- W
- Program power
- Pmax
- 120
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 6.4
- Ω
- Inductance (1kHz)
- LE
- 0.73
- mH
- VC Diameter
- 38
- mm
- Winding material
- Copper
- Former material
- Aluminum
- Force factor
- Bl
- 7.82
- N/A
- Motor constant
- Bl/√RE
- 3.09
- N/√W
- Material
- Ferrite
- Effective diameter
- 126
- mm
- Effective area
- SD
- 125
- cm²
- Moving mass
- MMS
- 17.9
- g
- Moving mass (without air load)
- MMD
- 16.8
- g
- Material
- Black Anodized Aluminum
- Stiffness
- KMS
- 0.89
- N/mm
- Compliance
- CMS
- 1120
- µm/N
- Equivalent volume to the compliance
- VAS
- 24.4
- L
- Mechanical resistance
- RMS
- 3.29
- 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