Micro-Precision Z-Studio 245

• 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