digi-tech AA-0477 User manual

AA-0477
AA-0479

DESCRIPTION REAR PANEL:
1/ CH A Volume
2/ Power Switch
3/ CH B Volume Knob
4/ CH A distortion Led
5/ CH A protection Led
6/ Power Led
7/ CH B protection Led
8/ CH B distortion Led
OUTPUT POWER: 8ohms
OUTPUT POWER: 8ohms
S/N RATIO: >90dB
S/N RATIO: >90dB
INPUT SENSITIVITY: >750mv
Frequency Response: 20Hz - 20KHz
Channel S/N: >70dB
S/N RATIO: >90dB
S/N RATIO: >90dB
S/N RATIO: >90dB
AA-0477 44-0479
18Ω Stereo Output Power 75Wx2 150Wx2
24Ω Stereo Output Power 100Wx2 200Wx2
48Ω Bridge Output Power 250W 450W
6Frequency Response 20Hz-20KHz 20Hz-20KHz
7THD+N(20Hz-20KHz) <0.1% <0.1%
8Slew Rate 20V/?s 30V/?s
9Damping Factor >300 >300
10 Voltage Gain (8? rated power@ 0.775V) 36dB 39.8dB
11 Output Circuitry Class AB Class AB
12 Signal to Noise Ratio > 80dB >90dB
13 Cross Talk > 70dB >75dB
14 Input Sensitivity(8?) 0.775V, 1.0V, 1.4V 0.775V, 1.0V, 1.4V
15 Input Impedance 20K? balance/10K?unbalance 20K? balance/10K?unbalance
15 Cooling fan Three fans, front -to- rear air flow Three fans, front -to- rear air flow
17 Input Connectors Input XLR Input XLR
18 Output Connectors Speakon Speakon
19 Front Controls AC switch, Ch1 and Ch2 gain knobs AC switch, Ch1 and Ch2 gain knobs
20 Rear Controls Sensitivity, GND, Stereo/Parallel/Bridge Switches Sensitivity, GND, Stereo/Parallel/Bridge Switches
21 Front Panel Indicators (LED) Power On (Blue), Clip (Red), Protect (Red) Power On (Blue), Clip (Red), Protect (Red)
20 Amplifier Protection
Short Circuit, Thermal Overload, Clip Limiter, DC Voltage,
Soft Start,
Short Circuit, Thermal Overload, Clip Limiter, DC
Voltage, Soft Start,
Soft Start, Ultrasonic and RF Protection Soft Start, Ultrasonic and RF Protection
21 Net Weight/Gross Weight 6.7Kg/7.4Kg 7.4Kg/8.1Kg
22 Machine size 483*280*90 483*280*90
Packing Dimensions 510*360*160 510*360*160
23 Power Requirements AC240V-50-60HZ (280W) AC240V-50-60HZ

AA-0477 44-0479
18Ω Stereo Output Power 75Wx2 150Wx2
24Ω Stereo Output Power 100Wx2 200Wx2
48Ω Bridge Output Power 250W 450W
6Frequency Response 20Hz-20KHz 20Hz-20KHz
7THD+N(20Hz-20KHz) <0.1% <0.1%
8Slew Rate 20V/μs 30V/μs
9Damping Factor >300 >300
10 Voltage Gain (8Ω rated power@ 0.775V)36dB 39.8dB
11 Output Circuitry Class AB Class AB
12 Signal to Noise Ratio > 80dB >90dB
13 Cross Talk > 70dB >75dB
14 Input Sensitivity(8?) 0.775V, 1.0V, 1.4V 0.775V, 1.0V, 1.4V
15 Input Impedance 20K? balance/10K?unbalance 20K? balance/10K?unbalance
15 Cooling fan Three fans, front -to- rear air flow Three fans, front -to- rear air flow
17 Input Connectors Input XLR Input XLR
18 Output Connectors Speakon Speakon
19 Front Controls AC switch, Ch1 and Ch2 gain knobs AC switch, Ch1 and Ch2 gain knobs
20 Rear Controls Sensitivity, GND, Stereo/Parallel/Bridge Switches Sensitivity, GND, Stereo/Parallel/Bridge Switches
21 Front Panel Indicators (LED) Power On (Blue), Clip (Red), Protect (Red) Power On (Blue), Clip (Red), Protect (Red)
20 Amplifier Protection
Short Circuit, Thermal Overload, Clip Limiter, DC Voltage,
Soft Start,
Short Circuit, Thermal Overload, Clip Limiter, DC
Voltage, Soft Start,
Soft Start, Ultrasonic and RF Protection Soft Start, Ultrasonic and RF Protection
21 Net Weight/Gross Weight 6.7Kg/7.4Kg 7.4Kg/8.1Kg
22 Machine size 483*280*90 483*280*90
Packing Dimensions 510*360*160 510*360*160
23 Power Requirements AC240V-50-60HZ (280Watt) AC240V-50-60HZ (400Watt)