| Nominal diameter | 8″ / 200 mm |
| Resonance | 55 Hz |
| Q factor | 0.48 |
| Sensitivity | 90.2 dB |
| Linear excursion | ± 6.5 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
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.2dB
- Frequency response 55 - 4000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 55Hz
- Mechanical quality factor QMS 9.92
- Electrical quality factor QES 0.50
- Total quality factor QTS 0.48
Large signal parameters
- Maximum linear excursion (one way) xmax 6.5mm
- Maximum excursion before damage xlim 10.7mm
- Air volume displaced at xmax VD 153cm³
- Power handling P 200W
- Program power Pmax 400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.2Ω
- Inductance (1kHz) LE 0.11mH
- VC Diameter 51mm
- Winding height HVC 17.2mm
- Winding material Copper
- Former material Glass fiber
Magnet
- Force factor Bl 11.3N/A
- Motor constant Bl/√RE 4.97N/√W
- Air gap height HAG 8.2mm
- Diameter 50mm
- Height 9mm
- Material Neodymium
Diaphragm
- Effective diameter 173mm
- Effective area SD 235cm²
- Moving mass MMS 35.6g
- Moving mass (without air load) MMD 33.1g
- Material Water resistant treated paper
Suspensions
- Stiffness KMS 4.26N/mm
- Compliance CMS 235µm/N
- Equivalent volume to the compliance VAS 18.4L
- Mechanical resistance RMS 1.24N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 8″
- 200mm
- Volume occupied by the driver 0.5L
- Net weight 1.2kg
- Frame material Steel
Similar speaker drivers to LaVoce NBASS08-20
B&C Speaker 8BG518 Ω |
|---|
| 8″ Woofer |
| fS | 52 Hz |
| SD | 220 cm² |
| 50 - 4000 Hz |
| QTS | 0.40 |
| xmax | 6.5 mm |
| SPL1W | 89.6 dB |
| Bl/√RE | 5.23 |
| Pmax | 500 W |
LaVoce FBASS08-188 Ω |
|---|
| 8″ Bass Guitar Speaker |
| fS | 53 Hz |
| SD | 235 cm² |
| 50 - 5000 Hz |
| QTS | 0.40 |
| xmax | 4.5 mm |
| SPL1W | 90.7 dB |
| Bl/√RE | 4.83 |
| Pmax | 300 W |
Hertz MPX 690.3 PRO4 Ω |
|---|
| 6 x 9″ 3 Way |
| fS | 50 Hz |
| SD | 223 cm² |
| 30 - 24000 Hz |
| QTS | 0.43 |
| xmax | 4 mm |
| SPL1W | 89.4 dB |
| Bl/√RE | 4.16 |
| Pmax | 260 W |