audison Prima APS 8 D
2x4Ω
4ΩShallow Subwoofer
| Nominal diameter | 8″ / 200 mm |
| Resonance | 30 Hz |
| Q factor | 0.44 |
| Sensitivity | 84.4 dB |
| Linear excursion | ± 8.8 mm |
| Program Power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 84.4dB
Thiele & Small parameters
- Resonance frequency (free air) fS 30Hz
- Mechanical quality factor QMS 5.10
- Electrical quality factor QES 0.46
- Total quality factor QTS 0.44
Large signal parameters
- Maximum linear excursion (one way) xmax 8.8mm
- Maximum excursion before damage xlim 16.5mm
- Air volume displaced at xmax VD 215cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 8.4Ω
- Inductance (1kHz, in series) LE 4.4mH
- Winding height HVC 40mm
Magnet
- Force factor (in series) Bl 17.6N/A
- Motor constant Bl/√RE 6.07N/√W
- Diameter 120mm
- Height 28mm
- Material High density flux ferrite
Diaphragm
- Effective diameter 177mm
- Effective area SD 245cm²
- Moving mass MMS 85g
- Moving mass (without air load) MMD 82.2g
- Material Water repellent pressed paper
Suspensions
- Stiffness KMS 3.33N/mm
- Compliance CMS 300µm/N
- Equivalent volume to the compliance VAS 25.5L
- Mechanical resistance RMS 3.14N·s/m
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 222mm
- Baffle cutout diameter 187mm
- Overall depth 95mm
- Flange thickness 16mm
- Mounting depth 79mm
- Volume occupied by the driver 0.67L
- Net weight 3.1kg
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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