Audio System R 08 EVO
2x4Ω
Subwoofer
| Nominal diameter | 8″ / 200 mm |
| Resonance | 39.9 Hz |
| Q factor | 0.38 |
| Sensitivity | 81.4 dB |
| Linear excursion | ± 8 mm |
| Program Power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 81.4dB
- Frequency response 42 - 140Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 39.9Hz
- Mechanical quality factor QMS 3.10
- Electrical quality factor QES 0.43
- Total quality factor QTS 0.38
Large signal parameters
- Maximum linear excursion (one way) xmax 8mm
- Air volume displaced at xmax VD 172cm³
- Power handling P 300W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.9Ω
- Inductance (1kHz, in series, estimated) LE 2.07mH
- VC Diameter 38.6mm
- Former material Aluminium
Magnet
- Force factor (in series) Bl 7.85N/A
- Motor constant Bl/√RE 2.99N/√W
- Diameter 120mm
Diaphragm
- Effective diameter 165mm
- Effective area SD 215cm²
- Moving mass MMS 50g
- Moving mass (without air load) MMD 47.6g
- Material KPC Paper
Suspensions
- Stiffness KMS 0.962N/mm
- Compliance CMS 1039µm/N
- Equivalent volume to the compliance VAS 11.6L
- Mechanical resistance RMS 4.04N·s/m
- Surround material Elasthan
- Spider material PPTA Connex
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 214mm
- Baffle cutout diameter 178mm
- Overall depth 122mm
- Flange thickness 15mm
- Mounting depth 107mm
- Volume occupied by the driver (estimated) 1.3L
- Net weight 3.5kg
- Frame material Steel
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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