SB Acoustics Satori MR16PNW-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 31Hz
• Mechanical quality factor QMS 4.85
• Electrical quality factor QES 0.26
• Total quality factor QTS 0.25

Large signal parameters

• Maximum linear excursion xmax 3.1mm
• Air volume displaced at xmax VD 37cm³
• Power handling P 40W
• Program power Pmax 80W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 0.11mH
• VC Diameter 35.5mm
• Winding height HVC 11.2mm
• Winding material Copper Clad Aluminium
• Former material Glass Fiber

Magnet

• Flux density B 1.17T
• Force factor Bl 5.2N/A
• Motor constant Bl/√RE 2.91N/√W
• Air gap height HAG 5mm
• Weight 0.13kg
• Material Neodymium

Diaphragm

• Effective diameter 123mm
• Effective area SD 119cm²
• Moving mass MMS 11.2g
• Moving mass (without air load) MMD 10.2g
• Material EGYPTIAN PAPYRUS™ fibres (made in-house)

Suspensions

• Stiffness KMS 0.426N/mm
• Compliance CMS 2350µm/N
• Equivalent volume to the compliance VAS 47.2L
• Mechanical resistance RMS 0.45N·s/m
• Surround material Rubber
• Spider material BIMAX

Dimensions

• Nominal diameter 6.5″
• 165mm
• Volume occupied by the driver (estimated) 0.4L
• Net weight 1.0kg
• Frame material Cast aluminium