Dayton Audio ND90-8
4Ω
8Ω
Full-range
| Nominal diameter | 3.5″ / 104 mm |
| Resonance | 70.7 Hz |
| Q factor | 0.65 |
| Sensitivity | 81.1 dB |
| Linear excursion | ± 4 mm |
| Program power | 40 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 81.1dB
- Frequency response 80 - 15000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 70.7Hz
- Mechanical quality factor QMS 4.71
- Electrical quality factor QES 0.75
- Total quality factor QTS 0.65
Large signal parameters
- Maximum linear excursion (one way) xmax 4mm
- Air volume displaced at xmax VD 13cm³
- Power handling P 20W
- Program power Pmax 40W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.5Ω
- Inductance (1kHz) LE 1.08mH
- VC Diameter 19mm
- Winding material Copper
- Former material Kapton® / Polyimide
Magnet
- Force factor Bl 4.3N/A
- Motor constant Bl/√RE 1.57N/√W
- Material Neodymium
Diaphragm
- Effective diameter 63mm
- Effective area SD 31.2cm²
- Moving mass (including air load) MMS 4.2g
- Moving mass MMD 4g
- Material Black Anodized Aluminum
Suspensions
- Stiffness KMS 0.82N/mm
- Compliance CMS 1220µm/N
- Equivalent volume to the compliance VAS 1.77L
- Mechanical resistance RMS 0.4N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 3.5″
- 104mm
- Overall diameter 104mm
- Baffle cutout diameter 85mm
- Overall depth 61mm
- Volume occupied by the driver (estimated) 0.18L
- Frame material Steel
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Export this driver to a box design software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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