MONACOR SPH-165

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89.3dB
• Frequency response 33 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 33Hz
• Mechanical quality factor QMS 2.02
• Electrical quality factor QES 0.23
• Total quality factor QTS 0.21

Large signal parameters

• Maximum linear excursion xmax 3.5mm
• Air volume displaced at xmax VD 48cm³
• Power handling P 50W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.5Ω
• Inductance (1kHz) LE 1.1mH
• VC Diameter 35.5mm
• Winding material Aluminium

Magnet

• Force factor Bl 9.7N/A
• Motor constant Bl/√RE 3.8N/√W
• Diameter 120mm
• Weight 0.84kg

Diaphragm

• Effective diameter 132mm
• Effective area SD 137cm²
• Moving mass MMS 16g
• Moving mass (without air load) MMD 14.8g

Suspensions

• Stiffness KMS 0.82N/mm
• Compliance CMS 1220µm/N
• Equivalent volume to the compliance VAS 36L
• Mechanical resistance RMS 1.64N·s/m

Dimensions

• Nominal diameter 6.5″
• 165mm
• Overall diameter 165mm
• Baffle cutout diameter 142mm
• Overall depth 89mm
• Flange thickness 7mm
• Mounting depth 82mm
• Volume occupied by the driver (estimated) 0.69L
• Net weight 2.235kg