Tectonic TEBM28C10-4B

4Ω B

Full-range

Nominal diameter	2″ / 55 mm
Resonance	145 Hz
Q factor	0.44
Sensitivity	79.8 dB
Linear excursion	± 1.4 mm
Program Power	20 W

Tectonic TEBM28C10-4B Full-range

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 79.8dB
Frequency response 150 - 16500Hz

Thiele & Small parameters

Resonance frequency (free air) fS 145Hz
Mechanical quality factor QMS 3.52
Electrical quality factor QES 0.49
Total quality factor QTS 0.44

Large signal parameters

Maximum linear excursion xmax 1.4mm
Maximum excursion before damage xlim 4mm
Air volume displaced at xmax VD 1.2cm³
Power handling P 10W
Program power Pmax 20W

Voice Coil

Nominal impedance Z 4Ω
DC resistance RE 3.8Ω
Inductance (1kHz) LE 0.1mH
VC Diameter 19.1mm
Winding material Copper

Magnet

Force factor Bl 2.9N/A
Motor constant Bl/√RE 1.49N/√W

Diaphragm

Effective diameter 33mm
Effective area SD 8.6cm²
Moving mass MMS 1.19g
Moving mass (without air load) MMD 1.2g
Material Doped Paper Composite

Suspensions

Stiffness KMS 1N/mm
Compliance CMS 1000µm/N
Equivalent volume to the compliance VAS 0.104L
Mechanical resistance RMS 0.31N·s/m

Dimensions

Nominal diameter 2″
55mm
Overall diameter 46mm
Baffle cutout diameter 42mm
Overall depth 24mm
Volume occupied by the driver 0.01L
Net weight 0.058kg

Tectonic TEBM28C10-4B SPL & Impedance

Tectonic TEBM28C10-4B Dimensions

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