PRV Audio 6MR250A

Mid-range

Nominal diameter6″ / 164 mm
Resonance145 Hz
Q factor1.16
Sensitivity93 dB
Linear excursion± 3 mm
Program power250 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 93dB
  • Frequency response 150 - 9500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 145Hz
  • Mechanical quality factor QMS 15.03
  • Electrical quality factor QES 1.26
  • Total quality factor QTS 1.16

Large signal parameters

  • Maximum linear excursion (one way) xmax 3mm
  • Air volume displaced at xmax VD 46cm³
  • Power handling P 125W
  • Program power Pmax 250W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.1Ω
  • Inductance (1kHz) LE 0.14mH
  • VC Diameter 38.1mm
  • Winding height HVC 8.8mm
  • Winding material Copper Clad Aluminium
  • Former material Kapton

Magnet

  • Force factor Bl 6.99N/A
  • Motor constant Bl/√RE 2.83N/√W
  • Air gap height HAG 5.5mm
  • Material Ferrite

Diaphragm

  • Effective diameter 140mm
  • Effective area SD 154cm²
  • Moving mass (including air load) MMS 11.2g
  • Moving mass MMD 9.8g

Suspensions

  • Stiffness KMS 9.35N/mm
  • Compliance CMS 107µm/N
  • Equivalent volume to the compliance VAS 3.56L
  • Mechanical resistance RMS 0.68N·s/m

Dimensions

  • Nominal diameter 6
  • 164mm
  • Overall diameter 164mm
  • Baffle cutout diameter 142mm
  • Overall depth 85mm
  • Flange thickness 6mm
  • Mounting depth 79mm
  • Volume occupied by the driver (estimated) 0.56L
  • Net weight 1.72kg
  • Frame material Stamped Steel
PRV Audio 6MR250A SPL
PRV Audio 6MR250A Dimensions

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