Dayton Audio ND91-4
4Ω
8ΩFull-range
3.5″ / 104 mm
Nominal diameter
74 Hz
Resonance
0.41
Q factor
82 dB
Sensitivity
± 4.6 mm
Linear excursion
60 W
Program Power
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- Amazon.com
- $$
- Parts Express
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 82.4
- dB
- Frequency response
- 65 - 17000
- Hz
- Resonance frequency (free air)
- fS
- 74.0
- Hz
- Mechanical quality factor
- QMS
- 4.24
- Electrical quality factor
- QES
- 0.45
- Total quality factor
- QTS
- 0.41
- Maximum linear excursion
- xmax
- 4.6
- mm
- Air volume displaced at xmax
- VD
- 14
- cm³
- Power handling
- P
- 30
- W
- Program power
- Pmax
- 60
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 4.3
- Ω
- Inductance (1kHz)
- LE
- 0.83
- mH
- VC Diameter
- 25
- mm
- Winding material
- Aluminum
- Former material
- Kapton® / Polyimide
- Force factor
- Bl
- 4.59
- N/A
- Motor constant
- Bl/√RE
- 2.21
- N/√W
- Material
- Ferrite
- Effective diameter
- 62
- mm
- Effective area
- SD
- 30
- cm²
- Moving mass
- MMS
- 4.8
- g
- Moving mass (without air load)
- MMD
- 4.7
- g
- Material
- Aluminum
- Stiffness
- KMS
- 1.04
- N/mm
- Compliance
- CMS
- 960
- µm/N
- Equivalent volume to the compliance
- VAS
- 1.4
- L
- Mechanical resistance
- RMS
- 0.53
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 3.5
- ″
- 104
- mm
- Overall diameter
- 104
- mm
- Baffle cutout diameter
- 85
- mm
- Overall depth
- 63
- mm
- Volume occupied by the driver (estimated)
- 0.19
- L
- Frame material
- Steel
Available on (affiliate links)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
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SpeakerSim
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