Tectonic BMR54C-8A

2Ω A
8Ω A

Full-range

Nominal size3x3″ / 72x72 mm
Resonance146 Hz
Q factor0.52
Sensitivity84.4 dB
Linear excursion± 2.4 mm
Program Power60 W
Tectonic BMR54C-8A Full-rangeTectonic BMR54C-8A Full-range
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 84.4dB
  • Frequency response 150 - 30000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 146Hz
  • Mechanical quality factor QMS 4.66
  • Electrical quality factor QES 0.58
  • Total quality factor QTS 0.52

Large signal parameters

  • Maximum linear excursion xmax 2.4mm
  • Maximum excursion before damage xlim 4.6mm
  • Air volume displaced at xmax VD 6.1cm³
  • Power handling P 30W
  • Program power Pmax 60W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.5Ω
  • Inductance (1kHz) LE 0.075mH
  • VC Diameter 38.6mm
  • Winding material Copper Clad Aluminium

Magnet

  • Force factor Bl 6.25N/A
  • Motor constant Bl/√RE 2.28N/√W

Diaphragm

  • Effective diameter 57mm
  • Effective area SD 25.5cm²
  • Moving mass MMS 3.3g
  • Moving mass (without air load) MMD 3.2g
  • Material Doped Paper Composite

Suspensions

  • Stiffness KMS 2.78N/mm
  • Compliance CMS 360µm/N
  • Equivalent volume to the compliance VAS 0.332L
  • Mechanical resistance RMS 0.65N·s/m

Dimensions

  • Nominal size 3 x 3″
  • 72 x 72mm
  • Overall size 72 x 72mm
  • Baffle cutout diameter 70mm
  • Overall depth 35mm
  • Volume occupied by the driver 0.06L
SPL & Impedance
Force factor
Stiffness
Tectonic BMR54C-8A SPL & Impedance
Tectonic BMR54C-8A Force factor
Tectonic BMR54C-8A Stiffness
Tectonic BMR54C-8A Dimensions
PDF fileDatasheet

Export this driver to a simulation software:

Closed Box Simulator·Speakerbench logoSpeakerbenchWinISD logoWinISDBasta! logoBasta!Hornresp logoHornrespQSpeakers logoQSpeakersSpeakerSim logoSpeakerSimMfbLabs logoMfbLabs

Similar speaker drivers to Tectonic BMR54C-8A

Tectonic BMR54C-2A Full-range

Tectonic BMR54C-2A

2 Ω
3 x 3″ Full-range
fS135 Hz
SD25.5 cm²
135 - 30000 Hz
QTS0.51
xmax2.4 mm
SPL1W84.2 dB
Bl/√RE2.24
Pmax60 W
Tectonic TEBM54C30-8 Full-range

Tectonic TEBM54C30-8

8 Ω
3 x 3″ Full-range
fS150 Hz
SD25.5 cm²
150 - 40000 Hz
QTS0.48
xmax2.8 mm
SPL1W85.5 dB
Bl/√RE2.34
Pmax60 W
Tectonic TEBM54C30-8F Full-range

Tectonic TEBM54C30-8F

8 Ω
3 x 3″ Full-range
fS125 Hz
SD25.5 cm²
120 - 40000 Hz
QTS0.41
xmax2.8 mm
SPL1W85.2 dB
Bl/√RE2.27
Pmax40 W