Beyma 12LX60V2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.8dB
• Frequency response 35 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 49Hz
• Mechanical quality factor QMS 15.30
• Electrical quality factor QES 0.40
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 9mm
• Maximum excursion before damage xlim 47mm
• Air volume displaced at xmax VD 495cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.1Ω
• Inductance (1kHz) LE 2.1mH
• VC Diameter 101.6mm
• Winding height HVC 20mm

Magnet

• Force factor Bl 20N/A
• Motor constant Bl/√RE 8.86N/√W
• Air gap height HAG 10mm

Diaphragm

• Effective diameter 265mm
• Effective area SD 550cm²
• Moving mass MMS 102g
• Moving mass (without air load) MMD 93g

Suspensions

• Stiffness KMS 10.1N/mm
• Compliance CMS 99µm/N
• Equivalent volume to the compliance VAS 43L
• Mechanical resistance RMS 2.1N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Overall diameter 312mm
• Baffle cutout diameter 283mm
• Overall depth 122mm
• Volume occupied by the driver (estimated) 3.3L
• Net weight 9.7kg