Rockford Fosgate RM110D4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.9dB

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 7.95
• Electrical quality factor QES 0.55
• Total quality factor QTS 0.51

Large signal parameters

• Maximum linear excursion xmax 7mm
• Air volume displaced at xmax VD 276cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 7.5Ω
• Inductance (1kHz, in series) LE 3.48mH
• VC Diameter 51mm
• Former material Aluminum

Magnet

• Force factor (in series) Bl 16.6N/A
• Motor constant Bl/√RE 6.06N/√W
• Weight 1.13kg

Diaphragm

• Effective diameter 224mm
• Effective area SD 394cm²
• Moving mass MMS 90.7g
• Moving mass (without air load) MMD 85.4g

Suspensions

• Stiffness KMS 4.39N/mm
• Compliance CMS 228µm/N
• Equivalent volume to the compliance VAS 50.2L
• Mechanical resistance RMS 2.51N·s/m

Dimensions

• Nominal diameter 10″
• 254mm
• Baffle cutout diameter 227mm
• Mounting depth 112mm
• Volume occupied by the driver 2.83L