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User Manual for Ashly TRA-4075 Rackmount 4-Channel Power Amplifier with Transformer Click to enlarge the picture
Contents of the user manual for the Ashly TRA-4075 Rackmount 4-Channel Power Amplifier
- 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 TRA-4075 Rackmount 4-Channel Power Amplifier 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 Ashly TRA-4075 is a 4-channel convection-cooled rackmount P.A. or installation power amplifier housed in a rugged 2-RU metal chassis. The unit offers an output of 40 Watts per channel at 8 Ohms, and is designed to drive 4- and 8-Ohm loads and transformer-coupled 70V and 100V lines simultaneously. The coupling transformers are internally mounted.The TRA-4075 incorporates a switch-mode power supply and Class-D amplifier circuitry, providing a power-efficient solution. The low-noise unit features a switchable high-pass filter and selectable gain sensitivity, turn-on delay DIP switches with up to 8 seconds of delay available, and rear-mounted set-and-forget gain controls.The TRA-4075 is equipped with an internally switchable 120/240V power supply and extensive protection circuitry along with standard Euroblock inputs and screw terminal outputs. - 2-RU rackmount 4-channel power amplifier with 40 Watts per channel power output at 8 Ohms and built-in 60W/70V transformer
- Designed to simultaneously drive 4- or 8-Ohm loads and 70/100V transformer-coupled lines
- 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
- 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: 694970185739 In the Box Ashly TRA-4075 - Rackmount 4-Channel Power Amplifier with 70V/100V Transformer - 40 Watts per Channel at 8 Ohms Power Cable Limited 5-Year Warranty Table of Contents
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Technical parametersAshly TRA-4075 Specs | Power Rating | Stereo @ 8 Ohms: 4 x 40 W per Ch.
Stereo @ 4 Ohms: 4 x 75 W per Ch.
Stereo @ 70 V: 4 x 75 W per Ch.
Stereo @ 100 V: 4 x 75 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 | | Voltage Gain | Selectable 26 dB or 36 dB | | Output Circuit | Class D | | Frequency Response | 20 Hz to 20 kHz (-3 to +/-1.0 dB Due to Internal 80 Hz HPF) | | 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 20 kHz) | | Input Connections | 4 x 3-Pin Euroblock (Ch.1,2,3,4) | | Output Connectors | 4 x Screw Terminals (Ch.1,2,3,4) | | Front Panel Controls and Indicators | Per Channel: Clips and Signal
Overall: Power, Standby, and Protect
Attenuators: Per Channel Rear Panel | | Controls (Rear) | 4 x Gain Control Knobs
4 x Delay DIP Switches
4 x 80 Hz HPF On/Off Buttons
4 x Gain Sensitivity Buttons | | Cooling | Convection | | Power Cable | 3-Prong IEC | | Dimensions | 19.0 x 3.5 x 12.0" / 48.3 x 8.9 x 30.5 cm | | Weight | 19.9 lb / 9.0 kg | | | | Package Weight | 35.75 lb | | Box Dimensions (LxWxH) | 24.0 x 17.5 x 5.0" |
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