REDCATT 121NPM
8Ω
Mid Bass
| Nominal diameter | 12″ / 315 mm |
| Resonance | 50 Hz |
| Q factor | 0.16 |
| Sensitivity | 98.9 dB |
| Linear excursion | ± 7.1 mm |
| Program Power | 900 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 98.9dB
Thiele & Small parameters
- Resonance frequency (free air) fS 50Hz
- Mechanical quality factor QMS 7.51
- Electrical quality factor QES 0.16
- Total quality factor QTS 0.16
Large signal parameters
- Maximum linear excursion (one way) xmax 7.1mm
- Air volume displaced at xmax VD 377cm³
- Power handling P 450W
- Program power Pmax 900W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.0Ω
- Inductance (1kHz) LE 0.51mH
- VC Diameter 76.2mm
- Winding height HVC 13mm
- Winding material Copper Clad Aluminium
- Former material kapton
Magnet
- Force factor Bl 27.8N/A
- Motor constant Bl/√RE 11.3N/√W
- Air gap height HAG 10mm
- Material Neodymium
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass MMS 66.7g
- Moving mass (without air load) MMD 57.9g
- Material Paper
Suspensions
- Stiffness KMS 6.49N/mm
- Compliance CMS 154µm/N
- Equivalent volume to the compliance VAS 59.2L
- Mechanical resistance RMS 2.79N·s/m
- Surround material Fabric
- Spider material Nomex
Dimensions
- Nominal diameter 12″
- 315mm
- Overall diameter 315mm
- Baffle cutout diameter 285mm
- Mounting depth 124mm
- Volume occupied by the driver (estimated) 1.7L
- Net weight 4.0kg
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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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