AMC MA 240 User Manual
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AMC MA 240 User Manual

Mixing amplifier
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  • Page 2: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS When using this electronic device, basic precautions should always be taken, including the following: 1. Read all instructions before using the product. 2. Do not use this product near water (e.g., near a bathtub, washbowl, kitchen sink, in a wet basement or near a swimming pool etc).

  • Page 3: Table Of Contents

    CONTENTS: Before you start Introductions Features Operation Front panel Rear panel Function description Output terminal Controls and connectors Connectors Cable wiring examples Specifications General specifications...

  • Page 4: Introductions

    Introduction MA mixing amplifiers for rack mount or stand alone. It is a widely used mixing amplifier designed for different applications for public address and paging systems, useful for background music systems. Universal structure of the units, audio signal mixing possibilities, various inputs and outputs have wide application in simple installations.

  • Page 5: Front Panel

    Front Panel 1. XLR inputs level control 5. Output level indicator 2. AUX input level control 6. Power switch 3. Tone control 7. Power indicator 4. Master volume Rear Panel Ventilation holes Balanced XLR inputs Power connector and T6.3AL AC fuse 10.

  • Page 6: Function Description

    Functions description Front panel: 1. XLR INPUTS LEVEL CONTROL These rotary knobs are for adjusting volume level of the XLR inputs. First four inputs can be used as balanced line level as well as microphone level inputs. The phantom power can be activated for these inputs separately in rear panel.
  • Page 7 6. INPUT TO POWER AMPLIFIER STAGE This is line level input directly to device power amplifier. Preamplifier output and amplifier input are designed to insert signal processor such as equalizer or limiter. REC OUTPUT This is line level stereo RCA output to connect audio recording equipment. 8.

  • Page 8: Output Terminal

    Output terminal...

  • Page 9: Connectors

    Each of the amplifier channels (4 Ω, 25V, 70V, 100V) can run only one output configuration at the same time. Operating amplifiers using 4 ohm and 70 or 100 volt concurrently may cause damage to the amplifier or connected speakers. There is possibility to connect external power supply, external battery etc.

  • Page 10: Cable Wiring Examples

    Cable wiring examples Cable to balanced input from balanced output. TRS connectors. Cable to unbalanced input from balanced output. TRS and TS connectors. Cable to balanced input from unbalanced output. TS and TRS connectors. Cable to unbalanced input from unbalanced output. TS connectors. Cable to balanced input from balanced output.
  • Page 11 Cable to balanced input from balanced output. TRS and XLR connectors. RCA cable. Cable to unbalanced input from RCA output. RCA and TS connectors. Cable to balanced input from RCA output. RCA and XLR connectors. Cable to balanced input from RCA output. RCA and TRS connectors. Cable to RCA input from balanced output.

  • Page 12: General Specifications

    70V - (20.5 Ω), 100V - (41 Ω) Output REC OUT - 4.7K ohms, 0 dBu MOH OUT - 8 ohms 1W/ 600 ohms, 1V Dimensions 88mm(H) x 420mm(W) x 330mm(D) Weight 12.8 kg AMC is a registered trademark of AMC Baltic www.amcpro.eu...

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