GRS 10SSW-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.2dB
• Frequency response 45 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 46.4Hz
• Mechanical quality factor QMS 8.57
• Electrical quality factor QES 1.16
• Total quality factor QTS 1.02

Large signal parameters

• Maximum linear excursion xmax 7mm
• Air volume displaced at xmax VD 211cm³
• Power handling P 150W
• Program power Pmax 300W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 4.5Ω
• Inductance (1kHz) LE 2.36mH
• VC Diameter 63.5mm

Magnet

• Force factor Bl 10.3N/A
• Motor constant Bl/√RE 4.87N/√W
• Material Ferrite

Diaphragm

• Effective diameter 196mm
• Effective area SD 302cm²
• Moving mass MMS 93.7g
• Moving mass (without air load) MMD 89.6g
• Material Polypropylene

Suspensions

• Stiffness KMS 7.69N/mm
• Compliance CMS 130µm/N
• Equivalent volume to the compliance VAS 19.8L
• Mechanical resistance RMS 3.19N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 10″
• 264mm
• Overall diameter 264mm
• Baffle cutout diameter 235mm
• Mounting depth 98mm
• Volume occupied by the driver (estimated) 1.7L
• Frame material Steel