Martin Audio ASX 21

ACOUSTICAL
TYPE Hybrid® horn/reflex active subwoofer
FREQUENCY RESPONSE (1) 30-150Hz ± 3dB
MAXIMUM PEAK SPL (2) 152dB
RECOMMENDED CROSSOVER 60-120Hz
DRIVER
TYPE 21" (530mm) diameter/ 6" (150mm) voice coil
PEAK DISPLACEMENT ± 1.2" (30 mm)
MECHANICAL DAMAGE LIMIT ± 1.5" (38mm)
RATED POWER 2500W AES, 10000W peak
AUDIO INPUT
CONNECTORS Female XLR input, male XLR link output
INPUT IMPEDANCE 10kΩ, balanced to ground
NOMINAL SYSTEM GAIN 32dB
INPUT LEVEL FOR MAX SPL 3.5V rms
S/N RATIO >105dB
DISTORTION (100Hz) <0.05%
AMPLIFIER SECTION
TYPE Single channel switchmode, fixed frequency
PK-PK OUTPUT VOLTAGE 390V
PK-PK OUTPUT CURRENT 200A
AVERAGE EFFICIENCY 85%
PEAK OUTPUT POWER 8500W
COOLING 2 x temperature controlled, variable speed fans
1 x forced air blower, venting in to horn mouth
POWER SUPPLY SECTION
TYPE Switchmode, fixed frequency with PFC
AC INPUT OPERATING RANGE 100 - 240V ~ 50 - 60Hz
AC OVERVOLTAGE TOLERANCE 400V AC
POWER FACTOR > 0.95
AVERAGE POWER CONSUMPTION 300VA
MAINS CONNECTOR Neutrik® Powercon®
DSP CONTROL INPUT
RS485 PORT RJ45 socket
GENERAL
ENCLOSURE Extensively braced, multi-laminate birch ply
FINISH Black textured paint
PROTECTIVE GRILLE Perforated steel
FITTINGS 2 pocket handles on each side, 2 wooden skids on
top and bottom, 4 removable castors for transportation
INSTALL DIMENSIONS (W) 1200mm x (H) 600mm x (D) 1200mm
(W) 47.24ins x (H) 23.62ins x (D) 47.24ins
DIMENSIONS (W) 1328mm x (H) 600mm x (D) 1200mm
(INC. WHEELS) (W) 52.28ins x (H) 23.62ins x (D) 47.24ins
WEIGHT 160kg (353lbs)