Audio System R 08 FLAT EVO 3-D4
2x4Ω
Shallow Subwoofer
| Nominal diameter | 8″ / 200 mm |
| Resonance | 59 Hz |
| Q factor | 0.46 |
| Sensitivity | 85.3 dB |
| Linear excursion | ± 6.3 mm |
| Program Power | 300 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 85.3dB
- Frequency response 35 - 120Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 59Hz
- Mechanical quality factor QMS 5.58
- Electrical quality factor QES 0.51
- Total quality factor QTS 0.46
Large signal parameters
- Maximum linear excursion (one way) xmax 6.3mm
- Air volume displaced at xmax VD 132cm³
- Power handling P 200W
- Program power Pmax 300W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 7.2Ω
- Inductance (1kHz, in series, estimated) LE 2.01mH
- VC Diameter 38.6mm
- Former material Aluminum
Magnet
- Force factor (in series) Bl 11.1N/A
- Motor constant Bl/√RE 4.14N/√W
- Diameter 120mm
Diaphragm
- Effective diameter 164mm
- Effective area SD 211cm²
- Moving mass MMS 45g
- Moving mass (without air load) MMD 42.7g
- Material KPC Paper
Suspensions
- Stiffness KMS 3.24N/mm
- Compliance CMS 309µm/N
- Equivalent volume to the compliance VAS 7.7L
- Mechanical resistance RMS 2.99N·s/m
- Surround material Elasthan
- Spider material PPTA Connex
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 214mm
- Baffle cutout diameter 178mm
- Overall depth 82mm
- Flange thickness 15mm
- Mounting depth 67mm
- Volume occupied by the driver (estimated) 0.87L
- Net weight 2.7kg
- Frame material Steel
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Amplion
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