MONACOR SP-46A/500BS

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94dB
• Frequency response 36 - 1800Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 36Hz
• Mechanical quality factor QMS 4.75
• Electrical quality factor QES 0.54
• Total quality factor QTS 0.48

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 698cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 1.65mH
• VC Diameter 100mm
• Winding material Kapton

Magnet

• Force factor Bl 17.5N/A
• Motor constant Bl/√RE 7.14N/√W
• Diameter 238mm
• Weight 2.6kg

Diaphragm

• Effective diameter 385mm
• Effective area SD 1163cm²
• Moving mass MMS 141g
• Moving mass (without air load) MMD 112g

Suspensions

• Stiffness KMS 7.69N/mm
• Compliance CMS 130µm/N
• Equivalent volume to the compliance VAS 250L
• Mechanical resistance RMS 6.71N·s/m

Dimensions

• Nominal diameter 18″
• 470mm
• Overall diameter 470mm
• Baffle cutout diameter 420mm
• Overall depth 205mm
• Flange thickness 16mm
• Mounting depth 189mm
• Volume occupied by the driver (estimated) 6.6L
• Net weight 11.34kg