P.Audio 12BMA-300B

Low frequency

Nominal diameter12″ / 305 mm
Resonance61 Hz
Q factor0.49
Sensitivity95.4 dB
Linear excursion± 4 mm
Program power600 W
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 95.4dB
  • Frequency response 60 - 3500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 61Hz
  • Mechanical quality factor QMS 7.80
  • Electrical quality factor QES 0.53
  • Total quality factor QTS 0.49

Large signal parameters

  • Maximum linear excursion (one way) xmax 4mm
  • Air volume displaced at xmax VD 212cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.2Ω
  • Inductance (1kHz) LE 0.59mH
  • VC Diameter 75.5mm
  • Winding height HVC 18mm
  • Winding material Copper Clad Aluminium
  • Former material Glass Fiber

Magnet

  • Flux density B 1T
  • Force factor Bl 13.7N/A
  • Motor constant Bl/√RE 6.01N/√W
  • Air gap height HAG 10mm
  • Material Ferrite

Diaphragm

  • Effective diameter 260mm
  • Effective area SD 530cm²
  • Moving mass (including air load) MMS 49.1g
  • Moving mass MMD 40.4g
  • Material Paper

Suspensions

  • Stiffness KMS 7.35N/mm
  • Compliance CMS 136µm/N
  • Equivalent volume to the compliance VAS 54.4L
  • Mechanical resistance RMS 2.41N·s/m
  • Surround material Cloth
  • Spider material Single

Dimensions

  • Nominal diameter 12
  • 305mm
  • Overall diameter 313mm
  • Baffle cutout diameter 285mm
  • Overall depth 141mm
  • Flange thickness 15mm
  • Mounting depth 126mm
  • Volume occupied by the driver (estimated) 2.9L
  • Net weight 6.9kg
  • Frame material Aluminium
P.Audio 12BMA-300B SPL & Impedance
P.Audio 12BMA-300B Dimensions

Similar speaker drivers:

Peerless FSL-1225R02-08 Woofer

Peerless FSL-1225R02-08

8 Ω
12Woofer
fS63 Hz
SD547 cm²
50 - 4000 Hz
QTS0.44
xmax5.3 mm
SPL1W96.2 dB
Bl/√RE6.35
Pmax466 W
FaitalPRO 12HX230 8Ω Coaxial

FaitalPRO 12HX230 8Ω

8 Ω
12Coaxial
fS55 Hz
SD539 cm²
55 - 20000 Hz
QTS0.43
xmax7.4 mm
SPL1W95.4 dB
Bl/√RE6.12
Pmax500 W
Celestion TF1220 Low frequency

Celestion TF1220

8 Ω
12Low frequency
fS55.8 Hz
SD531 cm²
60 - 4000 Hz
QTS0.39
xmax4 mm
SPL1W95.9 dB
Bl/√RE5.95
Pmax300 W
Celestion K12H-100TC Full-range

Celestion K12H-100TC

8 Ω
12Full-range
fS55.6 Hz
SD531 cm²
50 - 10000 Hz
QTS0.40
xmax3 mm
SPL1W95.5 dB
Bl/√RE5.79
Pmax200 W