Harman Infinity Reference 607F Installation Manual page 12

Specifications
• Type: 3-1/2" (87mm) high performance
coaxial car speaker
• Continuous power handling: 25W
• Peak power handling: 75W
• Frequency response: 85Hz-21kHz
• Nominal impedance: 3.0ohms
• Sensitivity (2.83V/1m): 91dB
• External diameter: 3-7/16" (87mm)
• Mounting cutout diameter: 3" (75.5mm)
• Total depth: 1-13/16" (45.5mm)
• Mounting depth: 1-7/16" (35.7mm)
Thiele-Small Parameters
• BL (Tm): 1.969
• DCR (ohms): 2.36
• Mms (g): 3.424
• Sd (cm2): 63.76
• Cms (μm/N): 0.451
• Vas (l): 2.5943
• Fs (Hz): 128.1
• Qes: 1.679
• Qms: 12.305
• Qts: 1.478
• Crossover Point: 5kHz