CM/CS SERIES Compact 100V amplifiers Item ref: 953.100UK, 953.101UK, 953.
Caution: Please read this manual carefully before operating Damage caused by misuse is not covered by the warranty Introduction Thank you for choosing the Adastra CM/CS-series compact 100V amplifier as part of your public address system. This amplifier is designed to offer high quality, dependable service for mobile and installed systems. Please read this manual fully and follow the instructions to achieve the best results with your new purchase and to avoid damage through misuse.
Front panel 1. Microphone input jack (+ XLR CM60) 2. MIC volume control 3. LINE IN volume control 4. USB/SD volume control 5. MASTER volume control 6. FOG button 7. SIREN button 8. ALERT button 9. VU meter 10. USB/SD audio player 11. POWER switch 12. Mains voltage switch 13. IEC mains inlet & fuse holder 14. DC power terminals 15. COM speaker terminal 16. 8Ω speaker terminal 17. 100V speaker terminal 18. LINE OUT connectors (RCA) 19.
Connection and setup Connect the rear IEC inlet (13) to the mains using the supplied mains lead (or an equivalent approved type). Ensure that the voltage is correct as indicated on the voltage selector (12) and that the mains outlet is switched on. Alternatively, the amplifier can be powered by a 12V battery, such as a car or boat battery, by connecting the “+” and “-” of the battery to the 12Vdc INPUT (14) on the rear panel. Note: Ensure that DC cables are capable of handling the current (6A min.
100V line systems For 100V line systems, connect the amplifier to the first speaker in the system using double-insulated speaker wire which has adequate current rating to handle the total output of the amplifier. Connect the “100V” (17) output terminal to the positive (+) connection of the speaker and “COM” output (15) to the negative (-) connection of the speaker.
Operation When all connections to the amplifier are made, turn all rotary controls down and switch on the power (11) and a power LED will illuminate. Ensure a signal is being fed to the LINE IN connection and gradually increase the MASTER rotary control (5) part way for testing. For CM mixer-amplifiers, increase the LINE IN rotary (3) until the output is heard through the speakers. Turn up the MASTER to the maximum required volume level and reduce the LINE IN control if necessary.
USB/SD audio player 1. USB / SD input source selector 2. REPEAT button (repeat or random play) 3. USB port: accepts USB storage device 4. EQ select: step through 5 different presets 5. SD CARD INPUT 6. Previous track or volume decrease 7. Play / Pause track 8. Next track or volume increase 9. LED digital display CM series mixer-amplifiers are fitted with a built-in USB/SD audio player.
Specifications Power supply Output power DC power Outputs: Speaker Output: Line Inputs Controls Audio source USB/SD player controls Warning sounds THD Dimensions Weight CM30 CM60 110/230Vac, 50/60Hz (IEC) 30Wrms 60Wrms 12Vdc option (screw terminals) 100V / 8 Ohm / COM terminals RCA signal output Microphone (6.3mm jack) & line (RCA) Mic, line, USB/SD, master volume Integral USB/SD digital audio player USB/SD, repeat, EQ, rev/-, play/pause, forward/+ N/A Fog / Siren / Alert <1.0% 329 x 210 x 84mm 3.76kg 4.
