Tectonic BMR27C-8A
8Ω
Full-range
| Nominal diameter | 2″ / 53 mm |
| Resonance | 335 Hz |
| Q factor | 0.77 |
| Sensitivity | 81.6 dB |
| Linear excursion | ± 1.6 mm |
| Program Power | 20 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 81.6dB
- Frequency response 300 - 30000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 335Hz
- Mechanical quality factor QMS 2.26
- Electrical quality factor QES 1.13
- Total quality factor QTS 0.77
Large signal parameters
- Maximum linear excursion xmax 1.6mm
- Maximum excursion before damage xlim 2.5mm
- Air volume displaced at xmax VD 1.2cm³
- Power handling P 10W
- Program power Pmax 20W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 7.6Ω
- Inductance (1kHz) LE 0.07mH
- VC Diameter 19mm
- Winding material Copper Clad Aluminum Wire
Magnet
- Force factor Bl 3.2N/A
- Motor constant Bl/√RE 1.16N/√W
- Material Neodymium
Diaphragm
- Effective diameter 32mm
- Effective area SD 7.8cm²
- Moving mass MMS 0.73g
- Moving mass (without air load) MMD 0.7g
- Material Doped Paper Composite
Suspensions
- Stiffness KMS 3.23N/mm
- Compliance CMS 310µm/N
- Equivalent volume to the compliance VAS 0.027L
- Mechanical resistance RMS 0.68N·s/m
Dimensions
- Nominal diameter 2″
- 53mm
- Overall diameter 42mm
- Baffle cutout diameter 39mm
- Overall depth 17mm
- Volume occupied by the driver 0.01L
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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