Specifications

SPECIFICATIONS FOR AUTOSOUND COMPACT D CLASS AMPLIFIERS
PowerBass Autosound Class D Models ATM 600.1D ATM 900.1D
Power Output @ 14.4 VDC Input
• 4 Ohms RMS at THD 0.5% 250W x 1 325W x 1
• 2 Ohms RMS at THD 0.5% 400W x 1 550W x 1
• 1 Ohm RMS at THD 0.5% 600W x 1 900W
Signal to Noise Ratio > 80dB
Frequency Response 20 Hz ~ 250 Hz ± 1dB
Crossover
• Low Pass Filter 40Hz ~ 180 Hz
• Crossover Slope 12dB Octave
• Sub Sonic Filter 17Hz ~ 50Hz
• Bass EQ 0 ~ 18 dB
• Bass FREQ 30Hz ~ 80Hz
Input Gain Control 0.5V ~ 5.0V
Low Level Input Impedance 22K Ohms
Damping Factor >150 into 4 Ohms
Fuse Rating/ ATC Style 3 x 25A 3 x 30A
Dimension
• Width (W) x 7.7” (196 mm)
• Height (H) x 2.2” (56 mm)
• Length (L) mm 11.3” (287 mm) 12.5” (318 mm)
Important Notes:
• Due to continuing improvements these specifications are subject to change without any notice.
• Do not attempt to fix or repair this unit. Unauthorized repairs will void the manufacturer’s warranty.
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