REDCATT 81XR
8Ω
Woofer
| Nominal diameter | 8″ / 210 mm |
| Resonance | 73 Hz |
| Q factor | 0.30 |
| Sensitivity | 90.7 dB |
| Linear excursion | ± 14.2 mm |
| Program Power | 400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.7dB
Thiele & Small parameters
- Resonance frequency (free air) fS 73Hz
- Mechanical quality factor QMS 1.47
- Electrical quality factor QES 0.37
- Total quality factor QTS 0.30
Large signal parameters
- Maximum linear excursion (one way) xmax 14.2mm
- Air volume displaced at xmax VD 285cm³
- Power handling P 200W
- Program power Pmax 400W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.5Ω
- Inductance (1kHz) LE 0.19mH
- VC Diameter 63.5mm
- Winding height HVC 18.3mm
- Winding material Copper Sq.
- Former material kapton
Magnet
- Force factor Bl 16N/A
- Motor constant Bl/√RE 6.82N/√W
- Air gap height HAG 31mm
- Material Neodymium
Diaphragm
- Effective diameter 160mm
- Effective area SD 201cm²
- Moving mass MMS 38g
- Moving mass (without air load) MMD 35.8g
- Material Paper
Suspensions
- Stiffness KMS 7.87N/mm
- Compliance CMS 127µm/N
- Equivalent volume to the compliance VAS 7.2L
- Mechanical resistance RMS 11.9N·s/m
- Surround material Fabric
- Spider material Nomex
Dimensions
- Nominal diameter 8″
- 210mm
- Overall diameter 210mm
- Baffle cutout diameter 187mm
- Mounting depth 128mm
- Volume occupied by the driver (estimated) 2.1L
- Net weight 4.9kg
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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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