Tectonic BMR80C-8A
8Ω
Full-range
| Nominal size | 4x4″ / 106x106 mm |
| Resonance | 115 Hz |
| Q factor | 0.80 |
| Sensitivity | 84 dB |
| Linear excursion | ± 3.1 mm |
| Program Power | 80 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 84dB
- Frequency response 85 - 16000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 115Hz
- Mechanical quality factor QMS 3.70
- Electrical quality factor QES 1.01
- Total quality factor QTS 0.80
Large signal parameters
- Maximum linear excursion xmax 3.1mm
- Maximum excursion before damage xlim 6mm
- Air volume displaced at xmax VD 16cm³
- Power handling P 40W
- Program power Pmax 80W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.7Ω
- Inductance (1kHz) LE 0.06mH
- VC Diameter 32.6mm
- Winding material Aluminum
Magnet
- Force factor Bl 5.72N/A
- Motor constant Bl/√RE 2.21N/√W
Diaphragm
- Effective diameter 81mm
- Effective area SD 51.5cm²
- Moving mass MMS 6.85g
- Moving mass (without air load) MMD 6.6g
- Material Doped Paper Composite
Suspensions
- Stiffness KMS 3.7N/mm
- Compliance CMS 270µm/N
- Equivalent volume to the compliance VAS 1.02L
- Mechanical resistance RMS 1.36N·s/m
Dimensions
- Nominal size 4 x 4″
- 106 x 106mm
- Overall size 106 x 106mm
- Baffle cutout diameter 98mm
- Overall depth 47mm
- Volume occupied by the driver 0.19L
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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