Pride Eco 12

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 33.1Hz
• Mechanical quality factor QMS 4.63
• Electrical quality factor QES 0.90
• Total quality factor QTS 0.75

Large signal parameters

• Maximum linear excursion xmax 14mm
• Air volume displaced at xmax VD 708cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.3Ω
• Inductance (1kHz, estimated) LE 2.26mH
• VC Diameter 50.8mm

Magnet

• Force factor Bl 11.5N/A
• Motor constant Bl/√RE 6.33N/√W
• Weight 1.8kg
• Material Ferrite

Diaphragm

• Effective diameter 254mm
• Effective area SD 506cm²
• Moving mass MMS 173g
• Moving mass (without air load) MMD 164g

Suspensions

• Stiffness KMS 7.46N/mm
• Compliance CMS 134µm/N
• Equivalent volume to the compliance VAS 48.5L
• Mechanical resistance RMS 7.75N·s/m

Dimensions

• Nominal diameter 12″
• 305mm
• Baffle cutout diameter 282mm
• Overall depth 136mm
• Volume occupied by the driver (estimated) 2.1L
• Net weight 4.42kg
• Frame material Steel