Wavecor SW259WA01

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.8dB
• Frequency response 29 - 400Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 29Hz
• Mechanical quality factor QMS 10.00
• Electrical quality factor QES 0.49
• Total quality factor QTS 0.46

Large signal parameters

• Maximum linear excursion xmax 11.5mm
• Air volume displaced at xmax VD 359cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.3Ω
• Inductance (1kHz) LE 1.5mH
• VC Diameter 51mm
• Winding height HVC 31mm

Magnet

• Force factor Bl 14.5N/A
• Motor constant Bl/√RE 7.98N/√W
• Air gap height HAG 8mm
• Weight 2.7kg

Diaphragm

• Effective diameter 199mm
• Effective area SD 312cm²
• Moving mass MMS 173g
• Moving mass (without air load) MMD 169g

Suspensions

• Stiffness KMS 5.56N/mm
• Compliance CMS 180µm/N
• Equivalent volume to the compliance VAS 25L
• Mechanical resistance RMS 3.1N·s/m

Dimensions

• Nominal diameter 10″
• 254mm
• Volume occupied by the driver (estimated) 2.9L
• Net weight 6.6kg