SB Acoustics Satori MW19PNW-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 29Hz
• Mechanical quality factor QMS 4.53
• Electrical quality factor QES 0.26
• Total quality factor QTS 0.24

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 6.5N/A
• Motor constant Bl/√RE 3.53N/√W
• Air gap height HAG 6mm
• Weight 0.15kg
• Material Neodymium

Diaphragm

• Effective diameter 142mm
• Effective area SD 158cm²
• Moving mass MMS 17.4g
• Moving mass (without air load) MMD 15.9g
• Material EGYPTIAN PAPYRUS™ fibres (made in-house)

Suspensions

• Stiffness KMS 0.578N/mm
• Compliance CMS 1730µm/N
• Equivalent volume to the compliance VAS 61L
• Mechanical resistance RMS 0.7N·s/m
• Surround material Rubber
• Spider material BIMAX

Dimensions

• Nominal diameter 7.5″
• 191mm
• Volume occupied by the driver (estimated) 0.6L
• Net weight 1.48kg
• Frame material Cast aluminium