REDCATT 121FIND
4Ω
Mid Bass
| Nominal diameter | 12″ / 320 mm |
| Resonance | 59 Hz |
| Q factor | 0.52 |
| Sensitivity | 94.7 dB |
| Linear excursion | ± 6.5 mm |
| Program Power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 94.7dB
Thiele & Small parameters
- Resonance frequency (free air) fS 59Hz
- Mechanical quality factor QMS 7.34
- Electrical quality factor QES 0.56
- Total quality factor QTS 0.52
Large signal parameters
- Maximum linear excursion (one way) xmax 6.5mm
- Air volume displaced at xmax VD 345cm³
- Power handling P 250W
- Program power Pmax 500W
- Peak power Ppeak 1000W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.1Ω
- Inductance (1kHz) LE 0.32mH
- VC Diameter 50.8mm
- Winding height HVC 11.7mm
- Winding material Copper Clad Aluminium
- Former material Glass fiber
Magnet
- Force factor Bl 10.2N/A
- Motor constant Bl/√RE 5.79N/√W
- Air gap height HAG 8mm
- Material Ferrite
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass MMS 49.1g
- Moving mass (without air load) MMD 43.2g
- Material Paper
Suspensions
- Stiffness KMS 4.33N/mm
- Compliance CMS 231µm/N
- Equivalent volume to the compliance VAS 59.1L
- Mechanical resistance RMS 2.97N·s/m
- Surround material Fabric
- Spider material Normex
Dimensions
- Nominal diameter 12″
- 320mm
- Overall diameter 320mm
- Baffle cutout diameter 282mm
- Mounting depth 124mm
- Volume occupied by the driver (estimated) 2L
- Net weight 4.6kg
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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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