Celestion BN12-300S (8)

Bass Guitar Speaker

Nominal diameter12″ / 305 mm
Resonance62.1 Hz
Q factor0.32
Sensitivity97 dB
Linear excursion± 2.5 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 97dB
  • Frequency response 50 - 4000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 62.1Hz
  • Mechanical quality factor QMS 2.74
  • Electrical quality factor QES 0.36
  • Total quality factor QTS 0.32

Large signal parameters

  • Maximum linear excursion xmax 2.5mm
  • Air volume displaced at xmax VD 133cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.1Ω
  • Inductance (1kHz) LE 0.51mH
  • VC Diameter 63.5mm
  • Winding height HVC 13mm
  • Winding material Copper
  • Former material Polyimide

Magnet

  • Force factor Bl 17N/A
  • Motor constant Bl/√RE 7.52N/√W
  • Air gap height HAG 8mm
  • Height 37mm
  • Material Neodymium

Diaphragm

  • Effective diameter 260mm
  • Effective area SD 531cm²
  • Moving mass MMS 52.4g
  • Moving mass (without air load) MMD 43.8g
  • Material Kevlar loaded paper

Suspensions

  • Stiffness KMS 8N/mm
  • Compliance CMS 125µm/N
  • Equivalent volume to the compliance VAS 50L
  • Mechanical resistance RMS 7.46N·s/m
  • Surround material Cloth-sealed

Dimensions

  • Nominal diameter 12
  • 305mm
  • Overall diameter 309mm
  • Baffle cutout diameter 283mm
  • Overall depth 132mm
  • Volume occupied by the driver (estimated) 1.2L
  • Net weight 2.0kg
Celestion BN12-300S (8) SPL


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