User Manual for Ashly SRA Series SRA-4075 Convection-Cooled Power Amplifier Click to enlarge the picture
Contents of the user manual for the Ashly SRA Series SRA-4075 Convection-Cooled Power
- Product category: Standard Amplifiers Ashly
- Brand: Ashly
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Ashly Standard Amplifiers
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User manual for the Ashly SRA Series SRA-4075 Convection-Cooled Power contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Ashly product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Ashly user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Ashly product will considerably shorten its lifespan!
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Product description The SRA Series SRA-4075 Convection-Cooled Power Amplifier from Ashly is a 4-channel convection-cooled rackmount P.A. or studio power amplifier housed in a rugged 1-RU metal chassis, offering an output of 40 W per channel at 8 Ohms, designed to drive 4 and 8 Ohm loads.The SRA-4075 incorporates a switch-mode-power supply and Class-D amplifier circuitry, providing a power-efficient solution. The low-noise unit features a switchable HPF filter and selectable gain sensitivity, turn-on delay DIP switches with up to 8 seconds of delay available, and dual or bridge modes of operation.The SRA-4075 is equipped with an internally switchable 120V/240V power supply, extensive protection circuitry, and standard Euroblock inputs along with screw terminal outputs. - 1RU 9.4 lb. lightweight rackmount 4-channel power amplifier with 40W per channel power output at 8 Ohms
- Selectable dual or bridge mono operation, designed for 4- or 8-Ohm loads
- 2-stage high-efficiency switched-mode power supply with high power-to-weight ratio
- Ultra-quiet convection-cooled operation
- On-board 80Hz HPF, selectable gain sensitivity (+26/+36 dB)
- Up to 8 seconds of turn-on delay with selectable dip switch complement
- Comprehensive amplifier protection circuitry includes: output over-current, DC output, main supply rail over-voltage, chassis temperature, inrush limiting, and mains fuse
- Front panel indicators include overall power, standby, and protect along with per-channel clip and signal indicators
- Euroblock input connectors, screw terminal outputs
UPC: 694970129979 In the Box Ashly SRA Series SRA-4075 Convection-Cooled Power Amplifier Power Cable Limited 5-Year Warranty Table of Contents
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Technical parametersAshly SRA-4075 Specs | Power Rating | Stereo @ 8 Ohms: 4 x 40 W per Ch.
Stereo @ 4 Ohms: 4 x 75 W per Ch.
Mono Bridge @ 8 Ohms: 4 x 150 W per Ch. | | Damping Factor | >200, 8-Ohm load, <1 kHz | | Input Sensitivity | 1 dBu (75 W), 4 dBu (150 W) | | Input Impedance | 20 kOhms, Balanced | | Gain | Selectable 26 dB or 36 dB | | Maximum Input Level | +21 dBu | | Frequency Response | 20 Hz to 20 kHz, +/-1.0 dB | | Signal-to-Noise Ratio | >100 dB, 20 Hz to 20 kHz unweighted | | Total Harmonic Distortion (THD) | <0.5% (8-Ohm Load, 10 dB Below Rated Power, 20 Hz to 10 kHz) | | Input Connections | 4 x Ch.1,2,3,4 3-Pin Euroblock | | Output Connectors | 4 x Ch.1,2,3,4 Screw Terminals | | Controls Front Panel | 1 Power Switch
4 x Gain Control Knobs | | Controls (Rear) | 4 x Delay DIP Switches
2 x 80 Hz HPF On/Off Button
2 x Gain Sensitivity Button
2 x Bridge/Stereo Mode Switch | | Indicators | 1 x Blue Power On LED
1 x Yellow Standby LED
1 x Red Protect LED
4 x Red Clip LED's
4 x Green Signal LED's | | Cooling | Convection-cooled | | Output Circuit | Class D | | Line Current | Standby Mode: 39 mA
No Signal: 565 mA
Typical (1/8 Power Pink Noise): 1.25 A
Max (1/3 Power Pink Noise): 2.25 A | | Specialties | Adjustable Turn-On Delay Switches
Convection Cooling
Switch-Mode Power Supply | | Dimensions | 19.02 x 1.79 x 11.00" / 483 x 45.5 x 279.4 mm | | Weight | 9.4 lb / 4.3 kg | | | | Package Weight | 19.0 lb | | Box Dimensions (LxWxH) | 16.0 x 16.0 x 4.0" |
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