REDCATT 21NFR
16Ω
Full-range
| Nominal diameter | 2″ / 57 mm |
| Resonance | 157 Hz |
| Q factor | 0.68 |
| Sensitivity | 82.8 dB |
| Linear excursion | ± 4.1 mm |
| Program Power | 20 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 82.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 157Hz
- Mechanical quality factor QMS 3.80
- Electrical quality factor QES 0.82
- Total quality factor QTS 0.68
Large signal parameters
- Maximum linear excursion (one way) xmax 4.1mm
- Air volume displaced at xmax VD 6.8cm³
- Power handling P 10W
- Program power Pmax 20W
Voice Coil
- Nominal impedance Z 16Ω
- DC resistance RE 10.2Ω
- Inductance (1kHz) LE 0.1mH
- VC Diameter 20.3mm
- Winding height HVC 6.4mm
- Winding material Copper Clad Aluminium
- Former material kapton
Magnet
- Force factor Bl 4.4N/A
- Motor constant Bl/√RE 1.38N/√W
- Air gap height HAG 4mm
- Material Neodymium
Diaphragm
- Effective diameter 46mm
- Effective area SD 16.6cm²
- Moving mass MMS 1.59g
- Moving mass (without air load) MMD 1.5g
- Material Paper
Suspensions
- Stiffness KMS 1.54N/mm
- Compliance CMS 651µm/N
- Equivalent volume to the compliance VAS 0.25L
- Mechanical resistance RMS 0.41N·s/m
- Surround material Rubber
- Spider material Nomex
Dimensions
- Nominal diameter 2″
- 57mm
- Overall diameter 57mm
- Baffle cutout diameter 51mm
- Mounting depth 35mm
- Net weight 0.12kg
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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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