Specifications; Troubleshooting - Adastra RMC120 SERIES User Manual

Specifications

Power supply
Output power: RMS
Outputs : Speaker
Audio source
Output: Line
Inputs
Volume controls
Equalizer : Bass / Treble
Rear panel DIP switches
Phantom power
THD
Dimensions
Weight

Troubleshooting

No power LED on control panel
Power LED is on but no other LEDs
and no output
Power light and output LEDs lighting
but no output
No playback from CD
USB/SD player will not play audio from
media
Output is very loud or distorted
Output is working but at very low level
No microphone output
Feedback from microphone
Amplifier overheating
Disposal: The "Crossed Wheelie Bin" symbol on the product means that the product is classed as Electrical or
Electronic equipment and should not be disposed with other household or commercial waste at the end of its useful life.
The goods must be disposed of according to your local council guidelines.
110/230Vac, 50/60Hz (IEC) or 24Vdc option (screw terminals)
120Wrms
100V / 8 Ohm / COM
Integral CD/USB/SD/FM audio player
RCA signal output
Mic XLR, 2 x mic/line jack, 2 x RCA line
Mic1, mic/line2+3, line4+5 (CD), master
100Hz ±10dB / 10kHz ±10dB
Phantom, Vox, Mic/Line (2 + 3)
+20V (MIC 1 input)
<1.0% nominal (0.03% CD player, 0.05% USB/SD player)
433 x 320 x 89mm
9.0kg
Ensure IEC lead is in good condition and connected properly
If 24Vdc power input is being used, check battery is charged
Ensure POWER switch is on and check mains inlet fuse
Check input signals and condition of input connection leads
Check MASTER, MIC, LINE or USB/SD volume controls are turned up
Check speaker output terminals are connected correctly
Check speakers are working (test on another amp if available)
Press PLAY on transport controls
Check that disc is standard CD audio format
Check that the display is showing tracks, if not, the disc may be damaged.
Press CD/USB/SD button to ensure correct source is selected
Press the EJECT button and try re-inserting the disc
Press PLAY on transport controls
Press CD/USB/SD button to ensure correct source is selected
Check memory device is connected properly (remove and re-insert)
Check file types – standard compressed digital audio files required
Check memory device works on a PC or Mac for standard playback
Check level of input signal is not too high
Reduce MIC, LINE IN, USB/SD and/or MASTER level
Check input audio source level is not too low
Increase MIC, LINE IN, USB/SD and/or MASTER level
Check for quiet recording of media files on USB
Check VOX override is not unintentionally suppressing audio playback
Check phantom power is enabled if using a condenser microphone
Face microphone away from speakers and monitors
Turn down MIC and/or MASTER level
Ensure cooling vents are clear from debris and dust
Check that 8Ω speakers are not connected to 100V terminals
Ensure total 100V speaker wattage is lower than amplifier rating
Ensure that 100V and 8Ω speakers are not connected simultaneously
Ensure that total load connected to 8Ω output is not less than 8Ω
Errors and omissions excepted.
Copyright© 2014. AVSL Group Ltd.
953.141UK User Manual