Pioneer TS-SW3002S4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.3dB
• Frequency response 20 - 125Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 13.95
• Electrical quality factor QES 0.64
• Total quality factor QTS 0.61

Large signal parameters

• Maximum linear excursion xmax 8.8mm
• Air volume displaced at xmax VD 509cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.0Ω
• Inductance (1kHz) LE 2.27mH
• VC Diameter 55mm
• Winding height HVC 28mm
• Winding material Copper

Magnet

• Flux density B 0.45T
• Force factor Bl 17N/A
• Motor constant Bl/√RE 9.81N/√W
• Air gap height HAG 10mm
• Weight 2.03kg
• Material Strontium Ferrite

Diaphragm

• Effective diameter 271mm
• Effective area SD 578cm²
• Moving mass MMS 243g
• Moving mass (without air load) MMD 233g
• Material Mica reinforced IMPP

Suspensions

• Stiffness KMS 11.8N/mm
• Compliance CMS 85µm/N
• Equivalent volume to the compliance VAS 35.4L
• Mechanical resistance RMS 4.29N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Overall diameter 327mm
• Baffle cutout diameter 298mm
• Overall depth 104mm
• Flange thickness 18mm
• Mounting depth 86mm
• Volume occupied by the driver 1.11L
• Net weight 5.92kg