About Us
Signature ADP3
Design 5-driver, 3-way surround / rear,
optimized reverberant soundfield
Crossover(s) 3rd-order electro-acoustic at 1.8 kHz, 2nd-order electro-acoustic at 250 Hz
High-Frequency Driver(s) Two 25-mm (1 in) P-Be™ pure-beryllium domes, rear damping chambers 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) Two 102-mm (4 in) Co-PAL™ cobalt-infused pure-aluminum cones,
solid aluminum phase plugs, dual-layer 25-mm (1 in) rigid, low-mass voice coils, ATC™ asymmetric tapered dual-channel die-cast aluminum chambers, massive ceramic / ferrite magnets,
AVS™ die-cast heatsink chassis,
IMS / SHOCK-MOUNT™
Bass Driver(s) 210-mm (8 in) mineral-filled polypropylene cone, four-layer 38-mm (1-1/2 in) rigid, low-mass voice coil, AVS™ die-cast heatsink chassis, IMS / SHOCK-MOUNT™
Low-Frequency Extension* 60 Hz (DIN)
Frequency Response:
On-Axis

±2 dB from 82 Hz - 45 kHz
(optimized reverberant soundfield)
Sensitivity - Room / Anechoic 89 dB / 86 dB
Suitable Amplifier
Power Range
15 - 250 watts
Maximum Input Power† 180 watts
Impedance Compatible with 8 ohms
Internal Volume 9.1 L / 0.33 cu ft
Height, Width, Depth
(Height includes spikes or outrigger feet)
33.7 cm x 35.9 cm x 19.1 cm
13-1/4 in x 14-1/8 in x 7-1/2 in
Weight 23.6 kg / 52 lb per pair
Finishes Cherry, Natural Birdseye Maple, Piano Black
Speaker Stands Paradigm® J-29