JL Audio C1-690

General Specifications:

Continuous Power Handling (RMS): 60 W
Recommended Amplifier Power (RMS): 10 - 100 W / Ch.
System Efficiency: 91.5 dB @ 1 W / 1 m
System Nominal Impedance: 4 Ω
System Frequency Response: 39 Hz - 22 KHz ± 3 dB

Woofer Physical Specifications:

Frame Outer Diameter* (A): 6.38 x 9.33 in / 162 x 237 mm
Grille Tray Outer Diameter (B): N/A
Motor Outer Diameter (C): 3.54 in / 90 mm
Frontal Coaxial Tweeter Protrusion (D): N/A
Frontal Grille Protrusion (E): N/A
Mounting Hole Diameter (F): N/A
Mounting Depth (G): 2.75 in / 70 mm

Tweeter Physical Specifications:

Flush Mount Fixture Diameter (A1): 1.97 in / 50 mm
Surface Mount Fixture Diameter (A2): 2.01 in / 51 mm
Flush Mount Mounting Hole Diameter (B): 1.75 in / 45 mm
Flush Mount Mounting Depth (C): 0.40 in / 10 mm
Flush Mount Tweeter Frontal Protrusion (D1): 0.32 in / 8 mm
Surface Mount Tweeter Frontal Protrusion (D2): 0.87 in / 22 mm