Rockford Fosgate RM110D2B

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 33.5Hz
• Mechanical quality factor QMS 8.18
• Electrical quality factor QES 0.50
• Total quality factor QTS 0.47

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 2Ω
• DC resistance (in series) RE 3.7Ω
• Inductance (1kHz, in series) LE 2.17mH
• VC Diameter 51mm
• Former material Aluminum

Magnet

• Force factor (in series) Bl 12.4N/A
• Motor constant Bl/√RE 6.45N/√W
• Weight 1.13kg

Diaphragm

• Effective diameter 224mm
• Effective area SD 394cm²
• Moving mass MMS 99g
• Moving mass (without air load) MMD 93.7g

Suspensions

• Stiffness KMS 4.39N/mm
• Compliance CMS 228µm/N
• Equivalent volume to the compliance VAS 50.2L
• Mechanical resistance RMS 2.55N·s/m

Dimensions

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