Nominal diameter | 8″ / 200 mm |
Resonance | 68 Hz |
Q factor | 0.22 |
Sensitivity | 94.9 dB |
Linear excursion | ± 7 mm |
Program Power | 400 W |
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
- Sensitivity (1W, 1m, infinite baffle) SPL1W 94.9dB
- Frequency response 70 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 68Hz
- Mechanical quality factor QMS 6.30
- Electrical quality factor QES 0.23
- Total quality factor QTS 0.22
Large signal parameters
- Maximum linear excursion xmax 7mm
- Air volume displaced at xmax VD 154cm³
- Power handling P 200W
- Program power Pmax 400W
Voice Coil
- Nominal impedance Z 16Ω
- DC resistance RE 10.7Ω
- Inductance (1kHz) LE 0.4mH
- VC Diameter 51mm
- Winding height HVC 17mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.3T
- Force factor Bl 23N/A
- Motor constant Bl/√RE 7.03N/√W
- Air gap height HAG 10mm
- Material Neodymium Ring
Diaphragm
- Effective diameter 167mm
- Effective area SD 220cm²
- Moving mass MMS 27g
- Moving mass (without air load) MMD 24.5g
- Material Waterproof Both Sides
Suspensions
- Stiffness KMS 4.85N/mm
- Compliance CMS 206µm/N
- Equivalent volume to the compliance VAS 14L
- Mechanical resistance RMS 1.83N·s/m
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 225mm
- Baffle cutout diameter 187mm
- Overall depth 100mm
- Flange thickness 11mm
- Mounting depth 89mm
- Volume occupied by the driver 1.1L
- Net weight 3.05kg
Similar woofers to B&C Speaker 8NW51
P.Audio 8NX-65MB8 Ω |
---|
8″ Low frequency |
fS | 74 Hz |
SD | 214 cm² |
70 - 5000 Hz |
QTS | 0.24 |
xmax | 3.8 mm |
SPL1W | 94.5 dB |
Bl/√RE | 7.02 |
Pmax | 600 W |
B&C Speaker 8NDL6416 Ω |
---|
8″ Woofer |
fS | 73 Hz |
SD | 220 cm² |
80 - 4000 Hz |
QTS | 0.24 |
xmax | 4.5 mm |
SPL1W | 94.5 dB |
Bl/√RE | 7.17 |
Pmax | 700 W |