IS4 C
Tweeter
4 sq. in (27 sq. cm) planar diaphragm, driven by a 1" (25mm) voice coil
Midrange
17 sq. in (110 sq. cm) planar diaphragm, driven by a 1" (25mm) voice coil
Woofer
113 sq. in (732 sq. cm) planar diaphragm, driven by a 2" (50mm) voice coil
Frequency Response
40Hz - 20kHz ±3dB
Impedance
5 ohms nominal; (70v/100v Transformer Tap with 5 Ohm Bypass)
Dispersion
170º hemispherical up to 10 kHz
Transformer
Primary voltage: 70V, 100V Primary taps (70V): 0.5W, 1.5W, 3W, 6W, 12W, 24W, 48W Primary taps (100V): 1.5W, 3W, 6W, 12W, 24W, 48W 5-ohm bypass
Power Handling
100 watts RMS
Sensitivity
90dB SPL (1 watt/1 meter)
Finish
Paper surface ready for up to 1/8" (3mm) flexible material such as joint compound, plaster, wallpaper and paint.
Overload Protection
Three independent self-resetting gel switches (low, mid and high)
Environment Temperature
0º - 125ºF (-17.7º - 51.7ºC)
Speaker Depth
3 11/16" (94mm) with enclosure
Shipping Weight
28 lbs (12.7 kg) each
Cut-Out Dimensions (W x H)
16 1/8" x 24 5/32" (409mm x 613.5mm)