Tectonic TEBM65C20F-4
4Ω
8ΩFull-range
| Nominal diameter | 4.5″ / 108 mm |
| Resonance | 97 Hz |
| Q factor | 0.83 |
| Sensitivity | 81.8 dB |
| Program Power | 60 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 81.8dB
- Frequency response 60 - 20000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 97Hz
- Mechanical quality factor QMS 7.00
- Electrical quality factor QES 0.94
- Total quality factor QTS 0.83
Large signal parameters
- Power handling P 30W
- Program power Pmax 60W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.8Ω
- Inductance (1kHz) LE 0.03mH
- VC Diameter 25.4mm
Magnet
- Force factor Bl 3.75N/A
- Motor constant Bl/√RE 1.92N/√W
- Material Ferrite
Diaphragm
- Effective diameter 69mm
- Effective area SD 37.2cm²
- Moving mass MMS 5.6g
- Moving mass (without air load) MMD 5.4g
Suspensions
- Stiffness KMS 2.13N/mm
- Compliance CMS 470µm/N
- Equivalent volume to the compliance VAS 0.99L
- Mechanical resistance RMS 0.51N·s/m
Dimensions
- Nominal diameter 4.5″
- 108mm
- Overall diameter 108mm
- Baffle cutout diameter 83mm
- Overall depth 53mm
- Volume occupied by the driver (estimated) 0.18L
- Net weight 0.685kg
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Export this driver to a simulation software:
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