Dayton Audio Classic DC130BS-4
4Ω
8ΩWoofer
5.25″ / 145 mm
Nominal diameter
52 Hz
Resonance
0.35
Q factor
88 dB
Sensitivity
± 2.5 mm
Linear excursion
60 W
Program Power
- Amazon.com
- $$
- Parts Express
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.7
- dB
- Frequency response
- 55 - 4000
- Hz
- Resonance frequency (free air)
- fS
- 51.8
- Hz
- Mechanical quality factor
- QMS
- 1.86
- Electrical quality factor
- QES
- 0.44
- Total quality factor
- QTS
- 0.35
- Maximum linear excursion
- xmax
- 2.5
- mm
- Air volume displaced at xmax
- VD
- 23
- cm³
- Power handling
- P
- 30
- W
- Program power
- Pmax
- 60
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.6
- Ω
- Inductance (1kHz)
- LE
- 0.5
- mH
- VC Diameter
- 25
- mm
- Winding material
- Copper
- Former material
- Aluminum
- Force factor
- Bl
- 4.8
- N/A
- Motor constant
- Bl/√RE
- 2.55
- N/√W
- Material
- Ferrite
- Effective diameter
- 109
- mm
- Effective area
- SD
- 93
- cm²
- Moving mass
- MMS
- 8.8
- g
- Moving mass (without air load)
- MMD
- 8.1
- g
- Material
- Coated Paper
- Stiffness
- KMS
- 0.93
- N/mm
- Compliance
- CMS
- 1080
- µm/N
- Equivalent volume to the compliance
- VAS
- 13.2
- L
- Mechanical resistance
- RMS
- 1.54
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 5.25
- ″
- 145
- mm
- Overall diameter
- 145
- mm
- Baffle cutout diameter
- 120
- mm
- Overall depth
- 77
- mm
- Volume occupied by the driver (estimated)
- 0.38
- L
- Frame material
- Steel