SB Acoustics Satori MW19TX-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89.8dB

Thiele & Small parameters

• Resonance frequency (free air) fS 32Hz
• Mechanical quality factor QMS 5.43
• Electrical quality factor QES 0.28
• Total quality factor QTS 0.27

Large signal parameters

• Maximum linear excursion xmax 6.8mm
• Air volume displaced at xmax VD 107cm³
• Power handling P 70W
• Program power Pmax 140W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz) LE 0.14mH
• VC Diameter 39mm
• Winding height HVC 19.6mm
• Winding material Copper Clad Aluminium
• Former material Glass Fiber

Magnet

• Flux density B 1.1T
• Force factor Bl 6.3N/A
• Motor constant Bl/√RE 3.42N/√W
• Air gap height HAG 6mm
• Weight 0.15kg
• Material Neodymium

Diaphragm

• Effective diameter 142mm
• Effective area SD 158cm²
• Moving mass MMS 16.2g
• Moving mass (without air load) MMD 14.7g
• Material TeXtreme®

Suspensions

• Stiffness KMS 0.658N/mm
• Compliance CMS 1520µm/N
• Equivalent volume to the compliance VAS 53.2L
• Mechanical resistance RMS 0.6N·s/m
• Surround material Rubber
• Spider material BIMAX

Dimensions

• Nominal diameter 7.5″
• 191mm
• Volume occupied by the driver (estimated) 0.59L
• Net weight 1.46kg
• Frame material Cast aluminium