REDCATT 81FHW
4Ω
Woofer
| Nominal diameter | 8″ / 209 mm |
| Resonance | 39 Hz |
| Q factor | 0.52 |
| Sensitivity | 85.5 dB |
| Linear excursion | ± 9.5 mm |
| Program Power | 200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 85.5dB
Thiele & Small parameters
- Resonance frequency (free air) fS 39Hz
- Mechanical quality factor QMS 5.40
- Electrical quality factor QES 0.58
- Total quality factor QTS 0.52
Large signal parameters
- Maximum linear excursion (one way) xmax 9.5mm
- Air volume displaced at xmax VD 191cm³
- Power handling P 100W
- Program power Pmax 200W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.6Ω
- Inductance (1kHz) LE 1.12mH
- VC Diameter 35.6mm
- Winding height HVC 18.2mm
- Winding material Copper
- Former material Aluminum
Magnet
- Force factor Bl 8.25N/A
- Motor constant Bl/√RE 4.35N/√W
- Air gap height HAG 6mm
- Material Ferrite
Diaphragm
- Effective diameter 160mm
- Effective area SD 201cm²
- Moving mass MMS 44g
- Moving mass (without air load) MMD 41.8g
- Material Paper
Suspensions
- Stiffness KMS 2.69N/mm
- Compliance CMS 372µm/N
- Equivalent volume to the compliance VAS 21.5L
- Mechanical resistance RMS 2N·s/m
- Surround material Foam
- Spider material Nomex
Dimensions
- Nominal diameter 8″
- 209mm
- Overall diameter 209mm
- Baffle cutout diameter 180mm
- Mounting depth 95mm
- Volume occupied by the driver (estimated) 0.69L
- Net weight 1.7kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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