Beyma 8MC500Nd

• Sensitivity (1W, 1m, infinite baffle)SPL1W95.8dB
• Frequency response80 - 6000Hz

Thiele & Small parameters

• Resonance frequency (free air)fS69Hz
• Mechanical quality factorQMS2.60
• Electrical quality factorQES0.19
• Total quality factorQTS0.18

Large signal parameters

• Maximum linear excursionxmax5mm
• Maximum excursion before damagexlim42mm
• Air volume displaced at xmaxVD110cm³
• Power handlingP500W
• Program powerPmax1000W

Voice Coil

• Nominal impedanceZ8Ω
• DC resistanceRE5.3Ω
• Inductance (1kHz)LE0.5mH
• VC Diameter63.5mm
• Winding heightHVC14mm

Magnet

• Force factorBl16.7N/A
• Motor constantBl/√RE7.25N/√W
• Air gap heightHAG8mm

Diaphragm

• Effective diameter167mm
• Effective areaSD220cm²
• Moving massMMS23g
• Moving mass (without air load)MMD20.6g

Suspensions

• StiffnessKMS4.33N/mm
• ComplianceCMS231µm/N
• Equivalent volume to the complianceVAS15.9L
• Mechanical resistanceRMS3.8N·s/m

Dimensions

• Nominal diameter8″
• 200mm
• Overall diameter212mm
• Baffle cutout diameter182mm
• Overall depth100mm
• Volume occupied by the driver (estimated)1L
• Net weight2.8kg