VOLT BM228.8
8Ω
Woofer
| Nominal diameter | 8″ / 220 mm |
| Resonance | 35 Hz |
| Q factor | 0.35 |
| Sensitivity | 87.6 dB |
| Linear excursion | ± 4 mm |
| Program Power | 300 W |
.jpg)
.jpg)
.jpg)
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.6dB
- Frequency response 30 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 35Hz
- Mechanical quality factor QMS 5.80
- Electrical quality factor QES 0.38
- Total quality factor QTS 0.35
Large signal parameters
- Maximum linear excursion xmax 4mm
- Maximum excursion before damage xlim 12.5mm
- Air volume displaced at xmax VD 86cm³
- Power handling P 150W
- Program power Pmax 300W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.8Ω
- Inductance (1kHz) LE 1.26mH
- VC Diameter 38mm
- Winding material Copper
Magnet
- Force factor Bl 11.7N/A
- Motor constant Bl/√RE 4.86N/√W
- Weight 3.6kg
Diaphragm
- Effective diameter 165mm
- Effective area SD 214cm²
- Moving mass MMS 40g
- Moving mass (without air load) MMD 37.5g
- Material Coated Black HIPS
Suspensions
- Stiffness KMS 2N/mm
- Compliance CMS 500µm/N
- Equivalent volume to the compliance VAS 32L
- Mechanical resistance RMS 1.52N·s/m
- Surround material Rubber
Dimensions
- Nominal diameter 8″
- 220mm
- Overall diameter 235mm
- Baffle cutout diameter 200mm
- Overall depth 106mm
- Flange thickness 9mm
- Mounting depth 97mm
- Volume occupied by the driver 0.8L
- Net weight 4.1kg
- Frame material Diecast Aluminium
.png)
.png)
.png)
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs.jpg.webp)
.jpg.webp)
.jpg.webp)