Nominal diameter | 8″ / 200 mm |
Resonance | 74 Hz |
Q factor | 0.17 |
Sensitivity | 95.5 dB |
Linear excursion | ± 6 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 95.5dB
- Frequency response 70 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 74Hz
- Mechanical quality factor QMS 2.70
- Electrical quality factor QES 0.19
- Total quality factor QTS 0.17
Large signal parameters
- Maximum linear excursion xmax 6mm
- Air volume displaced at xmax VD 132cm³
- Power handling P 200W
- Program power Pmax 400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.2Ω
- Inductance (1kHz) LE 0.4mH
- VC Diameter 51mm
- Winding height HVC 19mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.3T
- Force factor Bl 18.9N/A
- Motor constant Bl/√RE 8.29N/√W
- Air gap height HAG 10mm
- Material Neodymium Ring
Diaphragm
- Effective diameter 167mm
- Effective area SD 220cm²
- Moving mass MMS 28g
- Moving mass (without air load) MMD 25.5g
- Material Waterproof Both Sides
Suspensions
- Stiffness KMS 6.06N/mm
- Compliance CMS 165µm/N
- Equivalent volume to the compliance VAS 11L
- Mechanical resistance RMS 4.82N·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
Oberton 8NMB250VCX8 Ω |
---|
8″ Coaxial |
fS | 85.2 Hz |
SD | 202 cm² |
85 - 20000 Hz |
QTS | 0.16 |
xmax | 4.3 mm |
SPL1W | 99 dB |
Bl/√RE | 7.64 |
Pmax | 500 W |
PHL audio 2513NdS16 Ω |
---|
8″ Mid Bass |
fS | 71 Hz |
SD | 219 cm² |
70 - 3000 Hz |
QTS | 0.18 |
xmax | 4 mm |
SPL1W | 94.9 dB |
Bl/√RE | 8.18 |
Pmax | 500 W |
Beyma 8MC500Nd8 Ω |
---|
8″ Woofer |
fS | 69 Hz |
SD | 220 cm² |
80 - 6000 Hz |
QTS | 0.18 |
xmax | 5 mm |
SPL1W | 95.8 dB |
Bl/√RE | 7.25 |
Pmax | 1000 W |