Beyma 8WOOFER/P V2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89dB
• Frequency response 30 - 6500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 2.72
• Electrical quality factor QES 0.62
• Total quality factor QTS 0.50

Large signal parameters

• Maximum linear excursion xmax 4.5mm
• Maximum excursion before damage xlim 10mm
• Air volume displaced at xmax VD 99cm³
• Power handling P 50W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz) LE 0.9mH
• VC Diameter 25.8mm
• Winding height HVC 15mm

Magnet

• Force factor Bl 7N/A
• Motor constant Bl/√RE 2.91N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 167mm
• Effective area SD 220cm²
• Moving mass MMS 20g
• Moving mass (without air load) MMD 17.7g

Suspensions

• Stiffness KMS 1.17N/mm
• Compliance CMS 858µm/N
• Equivalent volume to the compliance VAS 59L
• Mechanical resistance RMS 1.95N·s/m

Dimensions

• Nominal diameter 8″
• 200mm
• Volume occupied by the driver (estimated) 0.52L
• Net weight 1.3kg