Pride ST 15

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.3dB

Thiele & Small parameters

• Resonance frequency (free air) fS 27Hz
• Mechanical quality factor QMS 4.48
• Electrical quality factor QES 0.20
• Total quality factor QTS 0.19

Large signal parameters

• Power handling P 2500W
• Program power Pmax 5000W

Voice Coil

• Nominal impedance Z 2Ω
• DC resistance RE 1.2Ω
• Inductance (1kHz, estimated) LE 1.58mH

Magnet

• Force factor Bl 21.6N/A
• Motor constant Bl/√RE 20N/√W

Diaphragm

• Effective diameter 336mm
• Effective area SD 887cm²
• Moving mass MMS 481g
• Moving mass (without air load) MMD 463g

Suspensions

• Stiffness KMS 13.9N/mm
• Compliance CMS 72µm/N
• Equivalent volume to the compliance VAS 80.6L
• Mechanical resistance RMS 18.2N·s/m

Dimensions

• Nominal diameter 15″
• 394mm
• Overall diameter 394mm
• Volume occupied by the driver (estimated) 4.7L