Clever Acoustics CRAM14 User Manual Download Page 3

www.cleveracoustics.co.uk

Mixer Amplifier series

  

User Manual

3

Product overview & technical specifications

The MA 260MP, MA 2120MP and MA 2240MP are ideal for installation into shops, offices and commercial 

premises, and feature three microphone inputs, two AUX inputs plus integral MP3 player and FM radio turner.  

MIC 1 features swit48V phantom power and adjustable VOX priority over the other inputs.  

Individual gain controls for microphone and AUX inputs plus controls for bass, treble and master volume.

Radio mode:

 In radio mode press and hold the 

PREV/NEXT

 button to search for channels automatically or press 

PREV/NEXT

 to scroll through the channels.

USB/SD card mode:

 The integral MP3 player features auto-selection to select between USB and SD media. If only 

one SD or USB media is inserted MP3 player will automatically play the inserted media, if a second media source 

is then inserted the MP3 player will automatically begin to play the last inserted media. If one of the two media 

sources is then removed the MP3 player will revert to playing the media source still inserted into the machine. 

REC function: 

To enter the record function press the 

REC

 button once. Pressing a second time will begin recording 

and a third time will stop and save the recording. When in the 

REC

 mode press the 

PLAY 

button to play the 

recording selected. Use the 

UP/DOWN

 buttons to select between recordings.

Mode button: Press the MODE button to select between the FM & MP3 modes. In MP3 mode press and hold down 

the MODE button to select the playback mode. Each time the button is held it will move along to the next mode.

ONE - Repeat track
NO - Repeat off
RAN - Random
All - Repeat all

• 19" rack mountable chassis (removable rack ears)
• 70V, 100V, and low impedance 4-16Ω loudspeaker 

outputs

• Integral MP3 (USB/SD) player with FM radio tuner
• Three microphone inputs and two AUX inputs (MIC 3 

switchable (MIC/LINE)

• MIC 1 features VOX priority and VOX level
• MIC 1-2-3, AUX 1-2, master volume controls and bass/

treble tone control

• Line output via phono sockets
• LED VU meter and over temperature indication
• Short circuit, overload and high temperature protection
• Operational DC input for use with battery backup power 

sources or for operation using high capacity batteries

Mixer Amplifier series

Specifications

MA 260MP

MA 2120MP

MA 2240MP

Power output

60Wrms

120Wrms

240Wrms

Speaker output

70V, 100V, 4-16Ω

70V, 100V, 4-16Ω

70V, 100V, 4-16Ω

Frequency response

50Hz-18kHz

50Hz-18kHz

40Hz-17kHz

Power supply

240V AC 50Hz / 12V DC (8A)

240V AC 50Hz / 24V DC (8A)

240V AC 50Hz / 24V DC (16A)

Order code

CRAM14

CRAM15

CRAM16

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 MA  2120MP    MIXER   AMPLIFIER

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 MA  260MP   MIXER   AMPLIFIER

Summary of Contents for CRAM14

Page 1: ... 2 2 2 2 3 3 3 3 3 3 3 4 4 4 4 4 4 4 5 5 5 5 5 5 5 6 6 6 6 6 6 6 7 7 7 7 7 7 7 8 8 8 8 8 8 8 9 9 9 9 9 9 9 10 10 10 10 10 10 10 ON OFF POWER MASTER MIC1 MIC2 AUX1 AUX2 US B S D FM BASS TREBLE MIC3 LINE USB SD 0 0 10 10 8 8 6 6 4 4 2 2 2 2 4 4 6 6 8 8 10 10 PREV CH PLAY PAUSE NEXT CH MODE REC PROT OUTPUT LEVEL 2 4 6 8 10 12 MA 2120MP MIXER AMPLIFIER 0 0 0 0 0 0 0 1 1 1 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3...

Page 2: ...ve labels from the unit Do not open the equipment and do not modify the unit Do not switch the equipment on and off in short intervals as this will reduce the system s life Only use the equipment indoors Do not expose to flammable sources liquids or gases Always disconnect the power from the mains when equipment is not in use or before cleaning Only handle the power cable by the plug Never pull ou...

Page 3: ...s Integral MP3 USB SD player with FM radio tuner Three microphone inputs and two AUX inputs MIC 3 switchable MIC LINE MIC 1 features VOX priority and VOX level MIC 1 2 3 AUX 1 2 master volume controls and bass treble tone control Line output via phono sockets LED VU meter and over temperature indication Short circuit overload and high temperature protection Operational DC input for use with batter...

Page 4: ... MIC 3 input switch 32 LINE MIC 3 33 MIC 2 unbalanced input 34 MIC 1 mute control 35 MIC 1 unbalanced input 36 Phantom power switch 0 0 0 0 0 0 0 1 1 1 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3 3 3 3 4 4 4 4 4 4 4 5 5 5 5 5 5 5 6 6 6 6 6 6 6 7 7 7 7 7 7 7 8 8 8 8 8 8 8 9 9 9 9 9 9 9 10 10 10 10 10 10 10 ON OFF POWER MASTER MIC1 MIC2 AUX1 AUX2 US B S D FM BASS TREBLE MIC3 LINE USB SD 0 0 10 10 8 8 6 6 4 4 2 2 ...

Page 5: ...s User Manual 5 Remote control identification Remote control identification EQ 01 Power button 02 PLAY PAUSE CONFIRM button 03 MODE button 04 Number control 05 LAST NEXT buttons 06 REWIND FAST FORWARD buttons 07 VOL button 08 VOL button 09 EQ button ...

Page 6: ...ncies in a negative way In order to safeguard good sound quality the damping factor should lie around 50 The longer a cable has to be the thicker it should be For longer cable runs please ensure the 100V outputs are used for 100V speakers Connect your speaker systems via the speaker terminals COM VE Examples 1 COM 4 16Ω 2 COM 70V 3 COM 100V Note Please do not use more than one pair of output termi...

Page 7: ...s the amplifier may have entered PROTECT mode temporarily due to a peak signal care should then be taken to ensure all input levels are set correctly If the amplifier persists to enter PROTECT mode the amplifier should be switched off and left to cool for 5 10 minutes before switching back on If the PROTECT indicator remains lit this indicates a problem with the amplifier or amplifier load ie Shor...

Page 8: ...4V DC INPUT MA 2120MP 24V DC INPUT MA 2420MP 12V DC INPUT MA 260MP MIC 1 MIC 1 AUDIO SOURCES SD USB CH PREV CH NEXT PAUSE PLAY 240V 50Hz MODE REC OFF LINE MIC3 LINE INPUTS AUX 1 AUX 2 OUTPUT 24V COM 4 16Ω 70V 100V 16A OUTPUT DC INPUT MIC2 PHANTOM 48V MIC1 INPUT VOX 0 10 ON MIC OUTPUT LEVEL ...

Page 9: ... the speaker system wait 8 10 seconds before you turn the volume control up in order to avoid speaker damage CAUTION Increase the level of each channel up to the point where the clip LEDs illuminate Always check the sound pressure level with a meter in order to keep to the legal threshold Total impedance 81Ω MA 260MP 41Ω MA 2120MP 20Ω MA 2420MP Total impedance 167Ω MA 260MP 83Ω MA 2120MP 42Ω MA 24...

Page 10: ...www cleveracoustics co uk Mixer Amplifier series User Manual 10 XLR RCA connections Balanced XLR jack connection Jack plug ...

Page 11: ...parts please use genuine parts Should you have any further questions please contact your dealer Warnings CAUTION DANGER TO LIFE DISCONNECT FROM THE MAINS BEFORE STARTING MAINTENANCE OPERATION Problem Cause Solution No power The power cord is not connected Check the power cord and any extension cabled No sound The power cord of the respective product is not connected prop erly or not at all The con...

Page 12: ...vent possible harm to the environment or human health from uncontrolled waste disposal please separate this from other types of wastes and recycle it responsibly to promote the sustainable reuse of material resources Household users should contact either the retailer where they purchased this product or their local government office for details of where and how they can take this item for environm...

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