EUPHORIA ERFW8D4
2x4Ω
Shallow Subwoofer
| Nominal diameter | 8″ / 223 mm |
| Resonance | 47.1 Hz |
| Q factor | 0.74 |
| Sensitivity | 81.8 dB |
| Program Power | 700 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 81.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 47.1Hz
- Mechanical quality factor QMS 5.23
- Electrical quality factor QES 0.86
- Total quality factor QTS 0.74
Large signal parameters
- Power handling P 350W
- Program power Pmax 700W
- Peak power Ppeak 700W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.4Ω
- Inductance (1kHz, in series, estimated) LE 2.99mH
- Former material KSV
Magnet
- Force factor (in series) Bl 14.6N/A
- Motor constant Bl/√RE 5.78N/√W
Diaphragm
- Effective diameter 160mm
- Effective area SD 201cm²
- Moving mass MMS 97.4g
- Moving mass (without air load) MMD 95.1g
- Material Polypropylene
Suspensions
- Stiffness KMS 8.53N/mm
- Compliance CMS 117µm/N
- Equivalent volume to the compliance VAS 6.73L
- Mechanical resistance RMS 5.51N·s/m
- Surround material Foam
Dimensions
- Nominal diameter 8″
- 223mm
- Overall diameter 223mm
- Baffle cutout diameter 186mm
- Mounting depth 79mm
- Volume occupied by the driver (estimated) 1.1L
- Frame material Die-cast
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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