Table of Contents
Related Manuals for Adastra UA Series
Summary of Contents for Adastra UA Series
- Page 1 UA-series Compact 100V mixer-amplifiers Item ref: UA30 953.183UK UA60 953.186UK UA90 953.189UK User Manual Version 1.2 Caution: Please read this manual carefully before operating Damage caused by misuse is not covered by the warranty...
- Page 2 Introduction Thank you for choosing an Adastra UA-series mixer-amplifier as part of your public address system. This unit is designed to offer high quality, dependable service for mobile and installed systems. Please read this manual to gain the best results from your product and avoid damage through misuse.
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Page 3: Rack Mounting
Rack mounting The UA series amplifiers can be mounted into a 19” rack cabinet using the supplied rack accessories. As shown below, the 2 joining brackets link a pair of UM series amplifiers together to form a full-width 1U rack-mount pair. One rack ear can be mounted at each end for fixing to the rack strip. -
Page 4: Connection And Setup
Connection and setup Set the rear power switch (11) to the “off” position and connect the rear IEC inlet (10) to the mains using the supplied mains lead (or an equivalent approved type). Check that the supply voltage is 170-264Vac 50Hz. A pair of screw terminals is provided on the right side of the rear panel for connection to an alarm system if required (20). -
Page 5: Speaker Connections
Speaker Connections The UA series amplifiers can be used either as 100V line amplifiers or standard low impedance power amplifiers. These 2 configurations cannot be used together, so it is important to decide which method will be used at the start. -
Page 6: Operation
Operation When all connections to the amplifier are made, turn all rotary controls down and switch on the power (11) A power LED will illuminate at the left side of the audio output indicator LEDs (9). Use either a microphone or a line input signal for checking the system. Turn up the MASTER rotary control (6) part way for testing and increase the rotary control for the channel being used for testing (1-5) until the output is heard through the speakers. -
Page 7: Specifications
Specifications Model UA30 UA60 UA90 Output power: RMS Dimensions 249 x 210 x 44mm 269 x 210 x 44mm 330 x 210 x 44mm Weight 2.35kg 2.47kg 2.99kg Power supply 170-264Vac, 50Hz (IEC) Amplifier: construction Class D + transformer output Inputs 3 x mic/line (Jack/Euroblock), 1 x line (2 x RCA), 1 x aux (3.5mm) Phantom power... -
Page 8: Troubleshooting
Troubleshooting No power LED on control panel Ensure IEC lead, mains switch and inlet fuse Power LED is on but no other Check input signals and condition of input connection leads LEDs and no output Check MASTER, MIC, LINE IN or AUX controls are turned up Power light and output LEDs Check speaker output terminals are connected correctly lighting but no output...