Table of Contents
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Summary of Contents for Adastra UM Series
- Page 1 UM-series Compact 100V mixer-amplifiers Item ref: UM30 953.173UK UM60 953.176UK UM90 953.179UK User Manual Version 1.1 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 UM-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
The UM 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
Connect the rear IEC inlet (12) to the mains using the supplied mains lead (or an equivalent approved type). Alternatively, the UM series amplifiers can be powered by a 24Vdc power supply, such as a truck or boat battery, by connecting the “+” and “-” of the battery to the 24Vdc INPUT (15) on the rear panel. Ensure that... -
Page 5: Operation
Turn up the MASTER to the maximum required volume level and reduce the LINE IN control if necessary. Note: If a line input is not connected to a UM series mixer-amplifier, the initial test can be made using the built-in Media audio player. See section below for instructions. -
Page 6: Usb Player
FM Tuner The FM tuner function operates in the same way as a standard FM radio and benefits from the connection of an FM antenna to the rear panel ‘F’ type connector. If no channels are tuned in, press the Play/Pause button (24) to begin auto tuning, which scans available stations and stores them as channels within the FM tuner. -
Page 7: Specifications
Specifications Model UM30 UM60 UM90 Output power: RMS 90W (80W @ 24Vdc power) Alarm output Fog/Siren/Alert generator Fog/Siren/Alert generator Dimensions 249 x 210 x 44mm 269 x 210 x 44mm 330 x 210 x 44mm Weight 2.35kg 2.47kg 2.59kg Power supply 170-264Vac, 50Hz (IEC) or 24Vdc Amplifier: construction Class D + transformer output Audio source... -
Page 8: Troubleshooting
Troubleshooting Ensure IEC lead, mains switch and inlet fuse No power LED on control panel If 24Vdc power input is being used, check battery is charged Check input signals and condition of input connection leads Power LED is on but no other LEDs and no output Check MASTER, MIC, LINE IN or MEDIA controls are turned up Check speaker output terminals are connected correctly...
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