About Us
Signature C1
Design 4-driver, 3-way center channel
Crossover(s) 2nd-order electro-acoustic at 550 Hz, 3rd-order electro-acoustic at 2.3 kHz
High-Frequency Driver(s) die-cast enclosure / integrated heatsink chassis, 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,
ferro-fluid cooled
Midrange Driver(s) dual super neodymium magnets, 85-mm (3-1/2 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, AVS™ die-cast heatsink chassis
Bass Driver(s) Two 127-mm (5 in) mineral-filled polypropylene cones, dual-layer 38-mm (1-1/2 in) rigid, low-mass voice coils, AVS™ die-cast heatsink chassis
Low-Frequency Extension* 60 Hz (DIN)
Frequency Response:
On-Axis

±2 dB from 73 Hz - 45 kHz
30° Off-Axis ±2 dB from 73 Hz - 20 kHz
Sensitivity - Room / Anechoic 88 dB / 85 dB
Suitable Amplifier
Power Range
15 - 225 watts
Maximum Input Power† 140 watts
Impedance Compatible with 8 ohms
Internal Volume 8.1 L / 0.29 cu ft
Height, Width, Depth
(Height includes spikes or outrigger feet)
18.0 cm x 43.0 cm x 22.5 cm
7-1/16 in x 16-15/16 in x 8-7/8 in
Weight 10.4 kg / 23 lb each
Finishes Cherry, Natural Maple, Piano Black