Beyma 8MI100

• Sensitivity (1W, 1m, infinite baffle)SPL1W94.7dB
• Frequency response100 - 7000Hz

Thiele & Small parameters

• Resonance frequency (free air)fS90Hz
• Mechanical quality factorQMS7.50
• Electrical quality factorQES0.48
• Total quality factorQTS0.45

Large signal parameters

• Maximum linear excursionxmax3mm
• Air volume displaced at xmaxVD66cm³
• Power handlingP250W
• Program powerPmax500W

Voice Coil

• Nominal impedanceZ8Ω
• DC resistanceRE6.0Ω
• Inductance (1kHz)LE0.2mH
• VC Diameter50.8mm
• Winding heightHVC9mm

Magnet

• Force factorBl11.5N/A
• Motor constantBl/√RE4.69N/√W
• Air gap heightHAG7mm

Diaphragm

• Effective diameter167mm
• Effective areaSD220cm²
• Moving massMMS19g
• Moving mass (without air load)MMD16.6g

Suspensions

• StiffnessKMS5.71N/mm
• ComplianceCMS175µm/N
• Equivalent volume to the complianceVAS12L
• Mechanical resistanceRMS1.4N·s/m

Dimensions

• Nominal diameter8″
• 200mm
• Overall diameter212mm
• Baffle cutout diameter181mm
• Overall depth94mm
• Volume occupied by the driver (estimated)1L
• Net weight3.1kg