Pioneer TS-W306R

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.1dB
• Frequency response 20 - 125Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 24.6Hz
• Mechanical quality factor QMS 15.60
• Electrical quality factor QES 0.86
• Total quality factor QTS 0.81

Large signal parameters

• Maximum linear excursion xmax 11.7mm
• Air volume displaced at xmax VD 603cm³
• Power handling P 350W
• Program power Pmax 700W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 1.81mH
• VC Diameter 40mm
• Winding height HVC 31.3mm

Magnet

• Flux density B 0.619T
• Force factor Bl 10.3N/A
• Motor constant Bl/√RE 5.43N/√W
• Air gap height HAG 8mm
• Weight 0.84kg

Diaphragm

• Effective diameter 256mm
• Effective area SD 516cm²
• Moving mass MMS 154g
• Moving mass (without air load) MMD 146g
• Material IMPP

Suspensions

• Stiffness KMS 3.7N/mm
• Compliance CMS 270µm/N
• Equivalent volume to the compliance VAS 102L
• Mechanical resistance RMS 1.53N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Baffle cutout diameter 281mm
• Mounting depth 135mm
• Volume occupied by the driver 1.09L