Beyma 8WRS300

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.9dB
• Frequency response 70 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 69Hz
• Mechanical quality factor QMS 2.70
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.30

Large signal parameters

• Maximum linear excursion xmax 6mm
• Maximum excursion before damage xlim 32mm
• Air volume displaced at xmax VD 132cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.9Ω
• Inductance (1kHz) LE 0.9mH
• VC Diameter 50.8mm
• Winding height HVC 15mm

Magnet

• Force factor Bl 15.5N/A
• Motor constant Bl/√RE 6.38N/√W
• Air gap height HAG 8mm

Diaphragm

• Effective diameter 167mm
• Effective area SD 220cm²
• Moving mass MMS 28g
• Moving mass (without air load) MMD 25.6g

Suspensions

• Stiffness KMS 5.21N/mm
• Compliance CMS 192µm/N
• Equivalent volume to the compliance VAS 13.1L
• Mechanical resistance RMS 4.5N·s/m

Dimensions

• Nominal diameter 8″
• 200mm
• Overall diameter 210mm
• Baffle cutout diameter 180mm
• Overall depth 95mm
• Volume occupied by the driver (estimated) 1.1L
• Net weight 3.25kg