PRV Audio 12MB1500

Mid Bass

Nominal diameter12″ / 320 mm
Resonance66.1 Hz
Q factor0.42
Sensitivity96.4 dB
Linear excursion± 6.5 mm
Program Power1500 W
Discontinued
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 96.4dB
  • Frequency response 75 - 5000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 66.1Hz
  • Mechanical quality factor QMS 14.66
  • Electrical quality factor QES 0.43
  • Total quality factor QTS 0.42

Large signal parameters

  • Maximum linear excursion xmax 6.5mm
  • Air volume displaced at xmax VD 374cm³
  • Power handling P 750W
  • Program power Pmax 1500W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.1Ω
  • Inductance (1kHz) LE 1.02mH
  • VC Diameter 88.9mm
  • Winding height HVC 18mm
  • Winding material Copper Clad Aluminium
  • Former material Glass Fiber

Magnet

  • Force factor Bl 16.4N/A
  • Motor constant Bl/√RE 7.26N/√W
  • Air gap height HAG 10mm
  • Material Ferrite

Diaphragm

  • Effective diameter 271mm
  • Effective area SD 575cm²
  • Moving mass MMS 54.3g
  • Moving mass (without air load) MMD 44.7g

Suspensions

  • Stiffness KMS 9.35N/mm
  • Compliance CMS 107µm/N
  • Equivalent volume to the compliance VAS 48.9L
  • Mechanical resistance RMS 1.54N·s/m

Dimensions

  • Nominal diameter 12
  • 320mm
  • Overall diameter 320mm
  • Baffle cutout diameter 280mm
  • Overall depth 143mm
  • Flange thickness 12mm
  • Mounting depth 131mm
  • Volume occupied by the driver (estimated) 3.1L
  • Net weight 7.57kg
  • Frame material Die Cast Aluminum
PRV Audio 12MB1500 SPL
PRV Audio 12MB1500 Dimensions

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