REDCATT 8FR
4Ω
Full-range
| Nominal diameter | 8″ / 210 mm |
| Resonance | 53 Hz |
| Q factor | 0.38 |
| Sensitivity | 93.7 dB |
| Linear excursion | ± 4.9 mm |
| Program Power | 60 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 93.7dB
Thiele & Small parameters
- Resonance frequency (free air) fS 53Hz
- Mechanical quality factor QMS 8.47
- Electrical quality factor QES 0.40
- Total quality factor QTS 0.38
Large signal parameters
- Maximum linear excursion (one way) xmax 4.9mm
- Air volume displaced at xmax VD 105cm³
- Power handling P 30W
- Program power Pmax 60W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.8Ω
- Inductance (1kHz) LE 0.08mH
- VC Diameter 40.6mm
- Winding height HVC 17.6mm
- Winding material Aluminum
- Former material kapton
Magnet
- Force factor Bl 7.86N/A
- Motor constant Bl/√RE 4.03N/√W
- Air gap height HAG 6mm
- Material Ferrite
Diaphragm
- Effective diameter 165mm
- Effective area SD 214cm²
- Moving mass MMS 18.4g
- Moving mass (without air load) MMD 16.1g
- Material Paper
Suspensions
- Stiffness KMS 2.17N/mm
- Compliance CMS 462µm/N
- Equivalent volume to the compliance VAS 36.8L
- Mechanical resistance RMS 0.72N·s/m
- Surround material Fabric
- Spider material Nomex
Dimensions
- Nominal diameter 8″
- 210mm
- Overall diameter 210mm
- Baffle cutout diameter 187mm
- Mounting depth 92mm
- Volume occupied by the driver (estimated) 1.1L
- Net weight 2.55kg
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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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