Why is the output so loud or distorted on my Adastra Amplifier?
If the output from your Adastra Amplifier is too loud or distorted, verify that the input signal level isn't excessively high. Try reducing the level control for the Mic, Line, or media player input. If needed, reduce any boost to Bass or Treble and lower the Master volume control.
How to fix no power LED on Adastra RM1202 Amplifier?
If the power LED on your Adastra Amplifier's control panel isn't lit, first, make sure the IEC lead is in good condition and properly connected. Next, check that the voltage selector is switched to the correct value for your power supply. Finally, ensure the POWER switch is on and inspect the mains inlet fuse.
Why is the output level very low on my Adastra RM1202 Amplifier?
If the output from your Adastra Amplifier is working but at a very low level, first check that the input audio source level isn't too low. Then, increase the Master volume and input channel controls, and remove any Bass or Treble cut. Also, check for quiet recording of media files on USB/SD/BT devices. Finally, check that Mic.1 priority is not unintentionally suppressing other channels.
What to do if my Adastra RM1202 is overheating?
If your Adastra Amplifier is overheating: 1. Ensure the cooling vents are free from debris and dust. 2. Check that 4Ω or 8Ω speakers are not connected to 100V terminals. 3. Ensure the total 100V speaker wattage is lower than the max rating for any zone. 4. Ensure that 100V and 8Ω speakers are not connected simultaneously. 5. Ensure that the total load connected to the 4Ω or 8Ω output is not less than stated.
Why does my Adastra RM1202 have power but no output?
If the power LED is on but there are no other LEDs and no output from your Adastra Amplifier, check the input signals and the condition of the input connection leads. Also, check that the selected zone output is assigned to the active input channel. Ensure that the Zone Master, Mic, Line, or media player volume controls are turned up.
What to do if USB/SD player on Adastra Amplifier won't play audio?
If the USB/SD player on your Adastra Amplifier won't play audio from media, first, press the Play/Pause button to ensure the track is not paused. Next, press the Source button to ensure the required device is selected. Check the memory device is connected properly by removing and re-inserting it. Verify that the file types are standard compressed digital audio files. Finally, check the memory device works on a PC or Mac for standard playback.
Why does my Adastra RM1202 have lights but no sound?
If the power light and zone indicator LEDs are lit but there's no output from your Adastra Amplifier, check that the speaker output terminals are connected correctly. Also, check that the speakers are working by testing them on another amp if available.
Adastra Amplifier: Why is there no output from the audio player?
If there's no output from the audio player on your Adastra Amplifier, ensure that the Mute function is off and the volume is not set too low (press and hold “?”). Also, check that Mic.1 priority is not overriding playback.
How to troubleshoot Bluetooth playback on Adastra RM1202?
If you're experiencing no playback via Bluetooth on your Adastra Amplifier, ensure that the sending device is paired and connected as audio to the correct device. Check the playback status and volume setting of the sending device.
How to stop microphone feedback on Adastra RM1202?
If you're getting feedback from the microphone on your Adastra Amplifier, face the microphone away from the speakers. Also, turn down the Mic level control.
Explains symbols and warning conventions used in the manual for safe operation.
Lists essential safety precautions and guidelines for operating the device.
Details the function and settings of the amplifier's DIP switches.
Describes the various input and output connections available on the amplifier.
Explains how to configure the unit for stereo output to different zones.
Guidance on connecting 100V line speakers to the amplifier's outputs.
Instructions for connecting 4 Ohm or 8 Ohm speakers to the amplifier.
Details on using the built-in USB/SD, FM tuner, and Bluetooth player.
Instructions for tuning and using the integrated FM radio receiver.
Steps for pairing and playing audio from Bluetooth-enabled devices.
General| Amplifier class | - |
|---|---|
| Frequency range | 100 - 20000 Hz |
| Audio output channels | 1.0 channels |
| Peak power per channel | 120 W |
| Signal-to-Noise Ratio (SNR) | 84 dB |
| Total Harmonic Distortion (THD) | 0.76 % |
| Purpose | Performance/stage |
| Bluetooth | Yes |
| Product color | Black |
| Bluetooth version | 5.0 |
| Connectivity technology | Wired |
| USB port type | USB Type-A |
| Line inputs (RCA) | 2 |
| USB 2.0 ports quantity | 1 |
| Speakers connectivity type | RCA |
| AC input voltage | 110-230 V |
| AC input frequency | 50 - 60 Hz |
Weight and Dimensions| Depth | 320 mm |
|---|---|
| Width | 483 mm |
| Height | 88 mm |
| Weight | 11240 g |
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