Manual - Pro Audio Centre
Contents
1. O adastra RMC120 SERIES Rackmount 100V mixer amplifier with CD player Item ref 953 141UK User Manual RMC120 MIXER AMPLIFIER OELE a MASTER a MIC 1 MIC LINE2 MiIC LINE3 LINE 4 LN5 CD BASS TREBLE www avsl adastra com an EMS group brand O adastra A 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 RMC120 rackmount 100V mixer amplifier with CD player 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 fully and follow the instructions to achieve the best results with your new purchase and to avoid damage through misuse Warning To prevent the risk of fire or electric shock do not expose any components to rain or moisture If liquids are spilled on the casing stop using immediately allow unit to dry out and have checked by qualified personnel before further use Avoid impact extreme pressure or heavy vibration to the case No user serviceable parts inside Do not open the case refer all servicing to qualified service personnel Safety Check for correct mains voltage and condition of IEC lead before connecting to power outlet Use double insulated speaker wire with adequate current rating for 100V speaker connections Do not use 8Q and 100V terminals at the same time Do not connect 8Q s2. will flash a 00 channel number in the display TUNER ChOO TUNER CHO1 TUNER CHO1 FM 89 30MHZ FM 89 30MHZ FM 89 30MHZ Use the Previous Next buttons 37 to select an appropriate channel memory Press PLAY PAUSE again to confirm and store the station into the selected channel memory Auto search can be stopped at any time by pressing the Forward Reverse seek buttons 28 MUTE ON OFF Pressing the MUTE ON OFF button 32 will mute the output of the audio player TUNER MUTE CHOI FM 89 30MHZ Pressing and holding the MUTE ON OFF button will put the audio player in standby mode Press this button again to restore functions from standby mode 953 141UK User Manual O adastra Specifications lt 1 0 nominal 0 03 CD player 0 05 USB SD player Troubleshooting No power LED on control panel and no output but no output Check speakers are working test on another amp if available Press PLAY on transport controls Check that disc is standard CD audio format media Check file types standard compressed digital audio files required sete teal tek aces lobo Amplifier overheating Disposal The Crossed Wheelie Bin symbol on the product means that the product is classed as Electrical or l Electronic equipment and should not be disposed with other household or commercial waste at the end of its useful life Saaz The goods must be disposed of according to your local council guidelines Power light and ou
3. A LINE 5 input RCA LINE 4 input RCA MIC LINE 3 input 6 3mm jack MIC LINE 2 input 6 3mm jack DIP switches see DIP switches section below MIC 1 input XLR FM antenna connection 20 21 22 LN5 CD 10 23 0 adastra MEER Gr MASTER ia BASS TREBLE 11 12 13 14 15 FM ANTENNA adastra RMC120 MIXER AMPLIFIER CEZ A Order ref 953 141UK adastra avsli com 24 25 26 27 953 141UK User Manual 0 adastra Connection and setup Connect the rear IEC inlet 17 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 16 and that the mains outlet is switched on Alternatively the amplifier can be powered by a 24V battery such as a lorry or boat battery by connecting the and of the battery to the 24Vdc INPUT 18 on the rear panel Ensure that DC cables are capable of handling the current 10A min recommended Ensure the POWER 14 is switched off until all input and speaker connections are in place The RMC120 has a total of 5 input channels MIC 1 input 26 is fed to a dedicated microphone channel Connect the main announcement microphone to this channel using a balanced XLR lead DIP switches MIC 1 channel has an option for 20V phantom power for condenser microphones and paging microphones with chimes MIC 1 also has the option of VOX control which attenuates the line input ch
4. annels 4 and 5 by 40dB when MIC 1 signal is detected and returns them to normal when MIC 1 signal is silent rv LLI a S Y l MIC LINE 2 PHANTOM gt lt D gt I These features are set by DIP switches 25 as shown here Moving the DIP switch down will switch the feature ON MIC OFF MIC LINE 2 24 and MIC LINE 3 23 jack inputs can be set to MIC or LINE sensitivity to suit the type of input being used Moving the LINE ON relevant DIP switch down selects LINE sensitivity Moving the DIP switch up selects MIC sensitivity Be sure to make these DIP switch settings when the amplifier is switched off Making any changes when the amplifier is powered up may cause loud bangs through the system which can damage the speakers Connect microphones or mono line inputs to MIC LINE 2 and MIC LINE 3 inputs using good quality 6 3mm jack leads Make sure the correct sensitivity is selected for the type of input source Connect any other line level audio inputs to the LINE 4 22 and LINE 5 21 connectors on the rear panel using good quality RCA leads Since RM series amplifiers are mono output stereo signals will be summed together LINE 5 input can be used in place of the integral CD USB SD FM player Further mixer amplifiers or slave amplifiers can be connected from the rear LINE OUT sockets 20 again using a good quality RCA lead This output carries the full mix of all channels 1 5 as produced through the speak
5. ers Speaker outputs The RMC120 can be used either as a 100V line amplifier or standard low impedance power amplifier These 2 configurations cannot be used together so it is important to decide which method will be used at the start 953 141UK User Manual O adastra 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 output terminal to the positive connection of the speaker and COM output to the negative connection of the speaker Connect further speakers in parallel to the first speaker with all positive terminals and connected together and all negative terminals connected together as shown below 10WLes 10W lt 10W exe 10W o 10W o Amplifier A 100V line speaker system can comprise of many speakers connected together The determining factor for how many speakers can be used on a single amplifier is the power rating For most purposes it is advised to connect as many speakers as needed with a combined wattage of no more than 90 of the amplifier s output power rating WY q Q The terminals of a 100V speaker are connected to a transformer and in some cases this transformer may be tapped for different power ratings These tappings can be used to adjust the wattage and output volume of each speaker in the syste
6. m to help achieve the ideal total power of the system for the amplifier Low impedance systems The RMC120 can provide an output for a single 892 speaker by connecting the 8Q output to the positive speaker connection and COM output to the negative speaker connection It is important to ensure that the speaker load is no less than 8Q and that the power handling of the speaker is equal to or greater than the output power of the amplifier Operation When all connections to the amplifier are made turn all rotary controls down and switch on the power 14 and a power ON LED will illuminate Turn BASS and TREBLE controls 11 12 to the 12 o clock position pointing straight up and turn MASTER rotary control 13 up part way for testing Ensure a signal is being fed to one of the line inputs 2 3 4 or 5 and gradually increase the volume control for that channel until the output is heard through the speakers Turn up the MASTER to the maximum required volume level and reduce the channel volume control if necessary Repeat this process for any other line inputs connected to channels 2 3 4 or 5 Note The initial test can be made using the built in CD USB SD FM audio player See section below for instructions Both the audio player output and LINE 5 input are governed by the LN5 CD volume control 10 The output of the amplifier is represented on the level meter LEDs 15 and care should be taken that the Red 0 LED is o
7. nly lit momentarily during use Anything longer than a short flash of this LED may be indicating distortion or clipping of the output signal and the MASTER should be turned down If a microphone is connected to MIC 1 input make sure it is switched on and if it requires phantom power make sure this feature is enabled Gradually increase the MIC 1 control 6 whilst speaking into the microphone until the required volume level is reached The microphone should not be able to hear the speakers which can cause feedback squealing or howling noise Repeat this process for microphones connected via the MIC LINE 2 and MIC LINE 3 inputs 953 141UK User Manual 0 adastra If the VOX feature is enabled audio playback through channels 4 and 5 will be reduced in volume automatically when speaking into MIC 1 In addition to channel and MASTER volume controls there are BASS and TREBLE EQ controls to adjust the tone of the overall output At the 12 o clock position these controls are applying no effect to the signal no boost or cut Moving the BASS control clockwise boosts the low frequencies in the audio whilst moving it anticlockwise will cut these low frequencies Likewise moving the TREBLE control clockwise boosts the high frequencies in the audio whilst moving it anticlockwise will cut these high frequencies Adjust these EQ controls to suit the type of audio signal or compensate for the room acoustics CD playback The RMC120 is fitted
8. peakers to the 100V terminal or 100V speakers to the 8Q terminal Do not allow any foreign objects to enter the case or through the ventilation grilles or CD slot Placement Keep out of direct sunlight and away from heat sources Keep away from damp or dusty environments For rack mounting ensure adequate support for the weight of the amplifier Ensure adequate air flow and do not cover cooling vents at the front and rear of the amplifier Ensure adequate access to controls and connections Cleaning e Use a soft cloth with a neutral detergent to clean the casing as required e Use a vacuum cleaner to clear ventilation grilles of any dust or debris build ups e Do not use strong solvents for cleaning the unit 953 141UK User Manual Front panel RMC120 MIXER AMPLIFIER LINE 4 MIC LINE2 MiIC LINE3 123 4 5 6 7 8 9 1 CD feed slot 2 USB port 3 LCD display 4 SD card slot 5 Audio player controls 6 MIC 1 volume control 7 MIC LINE 2 volume control 8 MIC LINE 3 volume control 9 LINE 4 volume control 10 LINE 5 CD volume control 11 BASS EQ control 12 TREBLE EQ control 13 MASTER volume control 14 POWER on off switch 15 Output level meter Rear panel 230V 50Hz 110V 60Hz POWER INPUT DC INPUT 24Vdc SPEAKER OUTPUT BS COM 8 100V erry 6 3A 110V 17 18 19 Mains voltage switch IEC mains inlet amp fuse holder DC power terminals Speaker connection terminals LINE OUT connectors RC
9. rd Reverse seek buttons 28 CD 44 SEEK CD PLAY CD SEEK gt gt TRO1 15 00 28 TRO1 15 00 35 TRO1 15 00 45 Press the STOP button 31 to halt playback and return the track to its start position Press the CD EJECT button 29 to auto feed the disc out of the player 953 141UK User Manual 0 adastra USB SD playback Push a USB pen drive into the USB port 2 and or an SD card into the SD card input 4 USB LOADING SD SD LOADING TRO196 Press the CD USB SD button 36 to ensure that the player is set to play from the required memory device Press the PLAY PAUSE button to play the current track and press again to pause as needed USB STOP TRO196 4 USB PLAY USB PAUSE TR0001 00 35 TR0001 00 35 Searching and playback of tracks is the same as described above for the CD player FM tuner Press the FM select button 33 to switch to the FM tuner function TUNER CH0 1 FM 87 5MHZ Use the Previous or Next buttons 37 to select a stored channel TUNER CH30 a lt TUNER CH0 1 gt gt I TUNER CHO2 107 10MHZ FM 87 50MHZ FM 89 30MHZ Tuning and storing stations Use the Forward Reverse seek buttons 28 to manually tune the frequency in steps of 0 05MHz Alternatively press and hold the Forward Reverse seek buttons to auto search for available stations Upon finding a station the auto search will stop giving the option to store this station At this point pressing the PLAY PAUSE button 30
10. tput LEDs lighting Check speaker output terminals are connected correctly Press PLAY on transport controls USB SD player will not play audio from Press CD USB SD button to ensure correct source is selected is p ay Check memory device is connected properly remove and re insert Press CD USB SD button to ensure correct source is selected Press the EJECT button and try re inserting the disc Reduce MIC LINE IN USB SD and or MASTER level No playback from CD Check that the display is showing tracks if not the disc may be damaged Errors and omissions excepted Copyright 2014 AVSL Group Ltd 953 141UK User Manual
11. with a built in audio player This unit allows playback of music or audio messages from CD or stored as standard compressed audio files on either USB pen drive or SD card There is also an FM tuner function for which there is a rear antenna connection 27 For CD playback ensure that LN5 CD level control 10 is turned up for the audio player output to be heard 2 i 30 Sh 3z 28 Forward Reverse seek buttons in FM mode press and hold for auto tune 29 CD eject 30 Play Pause track or FM channel select mode i 31 STOP 32 MUTE ON OFF mai 33 FM select 34 REPEAT mpm POM Ut 35 RANDOM 36 CD USB SD source select button 33 34 35 36 37 37 Previous Next buttons Insert a CD into the feed slot 1 and the mechanism will draw the disc inward and read the contents CD CD CD STOP CLOSE LOADING E TR00 15 45 35 Press the Play Pause button 30 to play from track 1 on the disc Press again to pause playback Pilay E PLAY Pause Ey PAUSE TR01 15 00 35 TRO1 15 00 35 Use the Previous or Next buttons 37 to select the desired track CD PLAY lt lt CD PLAY gt i CD PLAY TR15 15 00 35 TR01 15 00 35 TR02 15 00 35 Pressing the RANDOM button 35 initiates random track playback sequence Press REPEAT 34 to repeat the current track press REPEAT again to repeat all tracks CD RAN PLAY CDAS REP aE PEAY CD REP AF PLAY TR15 15 00 35 TRO1 15 00 35 TRO1 15 00 35 To fast forward or reverse through a track use the Forwa
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