B&C Speaker 4NDS34
8Ω
Woofer
| Nominal diameter | 4″ / 100 mm |
| Resonance | 79 Hz |
| Q factor | 0.24 |
| Sensitivity | 88.9 dB |
| Linear excursion | ± 3.8 mm |
| Program Power | 200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 88.9dB
- Frequency response 80 - 2000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 79Hz
- Mechanical quality factor QMS 8.50
- Electrical quality factor QES 0.25
- Total quality factor QTS 0.24
Large signal parameters
- Maximum linear excursion (one way) xmax 3.8mm
- Air volume displaced at xmax VD 22cm³
- Power handling P 100W
- Program power Pmax 200W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.5Ω
- Inductance (1kHz) LE 0.21mH
- VC Diameter 34mm
- Winding height HVC 11mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.25T
- Force factor Bl 8.8N/A
- Motor constant Bl/√RE 3.75N/√W
- Air gap height HAG 7mm
- Material Neodymium Inside Slug
Diaphragm
- Effective diameter 85mm
- Effective area SD 57cm²
- Moving mass MMS 7.2g
- Moving mass (without air load) MMD 6.8g
- Material Waterproof Both Sides
Suspensions
- Stiffness KMS 1.75N/mm
- Compliance CMS 572µm/N
- Equivalent volume to the compliance VAS 2.6L
- Mechanical resistance RMS 0.42N·s/m
Dimensions
- Nominal diameter 4″
- 100mm
- Overall diameter 127mm
- Baffle cutout diameter 103mm
- Overall depth 67mm
- Flange thickness 3mm
- Mounting depth 64mm
- Volume occupied by the driver 0.25L
- Net weight 0.55kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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