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Page - 10 Operator Manual – SRA Series Amplifiers
Copyright© 2010 – Ashly Audio Inc.
Spec Table
SRA-2075 SRA-4075 SRA-2150 SRA-4150
Power Output Per Channel
Stereo Mode, all channels driven
8 ohms, 20 Hz - 20 kHz, 1% THD 2 x 40W 4 x 40W 2 x 80W 4 x 80W
4 ohms, 20 Hz - 20 kHz, 1% THD 2 x 75 W 4 x 75 W 2 x 150 W 4 x 150 W
Bridged Mono Mode
8 ohms, 20 Hz - 20 kHz, 1% THD 1 x 150 W 2 x 150 W 1 x 300 W 2 x 300 W
Signal to Noise (20 Hz-20 kHz, unweighted):
>100 dB >100 dB >103 dB >103 dB
Voltage Gain: 26 dB, 36 dB sensitivity (selectable)
Output Circuitry: Class D Class D Class D Class D
Line Current Draw (all channels driven @4Ω)
Standby 37mA 39mA 89mA 102mA
Idle 320mA 565mA 370mA 660mA
1/8
th
Power Pink Noise 0.70A 1.25A 1.10A 1.95A
1/3 Power Sine Wave 1.23A 2.25A 2.10A 3.80A
Thermal Dissipation (all channels driven @4Ω)
Standby (BTU /hr) 13 15 14 23
Idle (BTU/hr) 61 113 72 137
1/8
th
Power Pink Noise (BTU/hr) 73 145 111 211
1/3 Power Sine Wave (BTU/hr) 85 150 126 263
Frequency Response 20 Hz - 20 kHz, +/- 1.0 dB
Damping Factor - 8 ohm load, < 1 kHz > 200 into 8Ω
Input Impedance 20 kOhm, balanced
Maximum Input Level: +21 dBu
Input Impedance 20kΩ balanced
Cooling Convection
Front Panel Indicators per channel Clip & Signal
Front Panel Indicators overall power, standby, protect
Attenuators Per channel: front panel
Input Connectors, each channel 3- Pin Euroblock
Output connectors, each channel Screw terminals
Amplifier Protection Output Overcurent, DC Output, Mail Supply Rail Overvoltage
Chassis Temperature, Inrush Limiting, Mains Fuse
Power Cable Connector 3-Prong IEC
Dimensions 19” x 1.75” x 11”
Weight 9.0 lbs 10.0 lbs 9.0 lbs 10.0 lbs
All Specifications Subject to Change or Improvement Without Notice.
Important Safety
Instructions – 2
Introduction - 3
The SRA Series - 4
Physical Description - 5
Installation – 6
Operation – 8
Troubleshooting - 9
Spec Table - 10
Dimensions - 11
Warranty - 12