Micro-Precision Z-Studio 245

Woofer

Nominal diameter10″ / 245 mm
Resonance25 Hz
Q factor0.27
Sensitivity89.7 dB
Program Power200 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 89.7dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 25Hz
  • Mechanical quality factor QMS 2.14
  • Electrical quality factor QES 0.32
  • Total quality factor QTS 0.27

Large signal parameters

  • Power handling P 100W
  • Program power Pmax 200W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 4.2Ω
  • Inductance (1kHz, estimated) LE 1.14mH
  • VC Diameter 50mm

Magnet

  • Force factor Bl 9.4N/A
  • Motor constant Bl/√RE 4.59N/√W

Diaphragm

  • Effective diameter 205mm
  • Effective area SD 320cm²
  • Moving mass MMS 42.9g
  • Moving mass (without air load) MMD 38.5g

Suspensions

  • Stiffness KMS 1N/mm
  • Compliance CMS 996µm/N
  • Equivalent volume to the compliance VAS 145L
  • Mechanical resistance RMS 3.15N·s/m

Dimensions

  • Nominal diameter 10
  • 245mm
  • Overall diameter 268mm
  • Baffle cutout diameter 233mm
  • Overall depth 116mm
  • Flange thickness 14mm
  • Mounting depth 102mm
  • Volume occupied by the driver (estimated) 1.5L


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fS28 Hz
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