About Us
Signature C3
Design 4-driver, 3-way center channel,
MagneShield™††
Crossover(s) 3rd-order electro-acoustic at 1.9 kHz, 2nd-order electro-acoustic at 250 Hz
High-Frequency Driver(s) 25-mm (1 in) P-Be™ pure-beryllium dome, rear damping chamber with ARB™ aperiodic resonance breakup fins and integrated heatsink,
dual super neodymium magnets,
die-cast heatsink chassis,
ferro-fluid cooled,
IMS / SHOCK-MOUNT™
Midrange Driver(s) 102-mm (4 in) Co-PAL™ cobalt-infused pure-aluminum cone,
solid aluminum phase plug, dual-layer 25-mm (1 in) rigid, low-mass voice coil, ATC™ asymmetric tapered dual-channel die-cast aluminum chamber,
massive ceramic / ferrite magnets,
AVS™ die-cast heatsink chassis,
IMS / SHOCK-MOUNT™
Bass Driver(s) Two 178-mm (7 in) mineral-filled polypropylene cones, dual-layer 38-mm (1-1/2 in) rigid, low-mass voice coils, AVS™ die-cast heatsink chassis, IMS / SHOCK-MOUNT™
Low-Frequency Extension* 32 Hz (DIN)
Frequency Response:
On-Axis

±2 dB from 55 Hz - 45 kHz
30° Off-Axis ±2 dB from 55 Hz - 20 kHz
Sensitivity - Room / Anechoic 91 dB / 88 dB
Suitable Amplifier
Power Range
15 - 325 watts
Maximum Input Power† 180 watts
Impedance Compatible with 8 ohms
Internal Volume 23.9 L / 0.84 cu ft
Height, Width, Depth
(Height includes spikes or outrigger feet)
24.1 cm x 67.3 cm x 33.0 cm
9-1/2 in x 26-1/2 in x 13 in
Weight 20.4 kg / 45 lb each
Finishes Cherry, Natural Birdseye Maple, Piano Black
Speaker Stands Paradigm® J-18C