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Samson MDR624 manual

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Table of contents for the manual

  • Page 1

    MDR Series Mixers HF 12K 0 15 10 10 5 5 15 MF 2.5K 15 10 10 5 15 0 5 0 LF 80Hz 0 15 10 10 5 15 5 AUX 01 0 PAN 0 L R 0 LEVEL 01 0 HF 12K 0 15 10 10 5 5 15 MF 2.5K 15 10 10 5 15 0 5 0 LF 80Hz 0 15 10 10 5 15 5 AUX 01 0 HF 12K 0 15 10 10 5 5 15 MF 2.5K 15 10 10 5 15 0 5 0 LF 80Hz 0 15 10 10 5 15 5 AUX 01 0 HF 12K 0 15 10 10 5 5 15 MF 2.5K 15 10 10 5 1[...]

  • Page 2

    Safety Instructions/Consignes de sécurité/Sicherheitsvor kehrungen/Instr ucciones de seguridad ACHTUNG: Um die Gefahr eines Brandes oder Stromschlags zu verringern, soll- ten Sie dieses Gerät weder Regen noch Feuchtigkeit aussetzen.Um die Gefahr eines Stromschlags zu verringern, sollten Sie weder Deckel noch Rückwand des Geräts entfernen. Im I[...]

  • Page 3

    T able of Contents Introduction 2 MDR624 Features 3 Controls and Functions Front and Rear Panel Layout 4–5 Mono Input Channel Section 6–7 Master Section 8–9 MDR624 Input and Output Connections 10–1 1 Operating the MDR624 12–13 System Set-ups 14–15 MDR624 Wiring Guide 16 Specifications 17 Block Diagram 18 Notes 18-19 Copyright 2004, Sams[...]

  • Page 4

    2 Congratulations on your purchase of the Samson MDR624 mixer! The MDR624 is a six channel mixer, with two low noise microphone pre-amps. In addition to the two mono Mic/line inputs, there are two channels with left and right inputs to handle stereo signals. For added flexibility, you can change the tone quality of your microphones or other line in[...]

  • Page 5

    3 MDR624 F eatures The Samson MDR624 six channel mixer, is a comprehensive, all-in-one solution for live sound, recording, fixed installation and post production applications. Here are some of its main features: • Six channels – Two Mic/Line plus two Stereo inputs. • Flexible design topology ideal for live sound, recording and post production[...]

  • Page 6

    4 HF 12K 0 15 10 10 5 5 15 MF 2.5K 15 10 10 5 15 0 5 0 LF 80Hz 0 15 10 10 5 15 5 AUX 01 0 PAN 0 L R 0 LEVEL 01 0 HF 12K 0 15 10 10 5 5 15 MF 2.5K 15 10 10 5 15 0 5 0 LF 80Hz 0 15 10 10 5 15 5 AUX 01 0 HF 12K 0 15 10 10 5 5 15 MF 2.5K 15 10 10 5 15 0 5 0 LF 80Hz 0 15 10 10 5 15 5 AUX 01 0 HF 12K 0 15 10 10 5 5 15 MF 2.5K 15 10 10 5 15 0 5 0 LF 80Hz [...]

  • Page 7

    5 F ront and Rear P anel La yout FRONT PANEL 1 MIC – Input connector for Low-Noise Microphone pre- amp. 2 LINE –Input connector for Line level inputs. 3 GAIN – Used to set the input level of the mic pre and line input. 4 HIGH FREQUENCY – Controls the high band of the Channel Equalizer, +/- 15 dB at 12KHz. 5 MID FREQUENCY – Controls the mi[...]

  • Page 8

    6 Controls and Functions The following section details each part of the MDR624’s input channels including the GAIN control, 3-BAND EQ, AUX send, PAN, BALANCE and LEVEL controls. The input channels One and Two on the MDR624 feature high quality, discrete transistor pre-amps providing transparency and extended dynamic range on standard XLR con- nec[...]

  • Page 9

    BALANCE (Stereo Inputs Only) The MDR624’s BALANCE control is used to place or position a mono input into the stereo main Left and Right MIX bus. For a stereo input, the balance control is used to center the sound between the Left and Right Mix bus. You can create a stereo image by panning some input signals to the left and others to the right. PA[...]

  • Page 10

    MAIN LEVEL The master MAIN control is the overall volume control for the left and right mix bus. The MAIN LEVEL affects both the Control ROOM signal which is output to the speakers and the line level signal which is output from the MIX OUT jacks. CR / PHONES The C/ROOM + PHONES control is used to set the level sent to the control room outputs, and [...]

  • Page 11

    POWER LED The Power LED lights up to indicate that the main POWER switch (located on the rear panel) is on. - Phantom P ower LED This LED illuminates indicating that the 48 volt phantom power is applied to the microphone pre-amps enabling use with condenser micro- phones. The +48V LED will light up when the Phantom Power switch (located on the rear[...]

  • Page 12

    Microphone Input - Mono Input Channels Use these inputs to connect Low Impedance microphones and low level signals from direct boxes. The MIC inputs have a nominal operating level of –50dB through -20dB. The MIC inputs also feature +48V phantom power, allowing you to use condenser microphones. The Phantom Power switch (located on the MDR624’s r[...]

  • Page 13

    AUX Send The signal present at the AUX output is sent from the AUX bus, which is fed from the AUX send on the input channels. The AUX output can be used as the MONITOR MIX bus in a live sound situation by con- necting the output to a power amp and monitor speak- er. AUX RETURN LEFT/RIGHT The AUX RETURN LEFT/RIGHT are stereo inputs that are generall[...]

  • Page 14

    12 Operating the MDR624 BASIC OPERATION The following section explains the basic operation of the MDR624. CONNECTING MICROPHONES AND INSTRUMENTS 1. Before connecting mics or instruments, make sure that the power of all your sys- tems components, including the MDR624, are turned off. Also, make sure that the Left and Right MIX faders are turned all [...]

  • Page 15

    13 Operating the MDR624 USING AN EXTERNAL EFFECT If you want to use an external device for effects processing, you can easily connect the unit using the MDR624 AUX bus. Follow the simple steps below to interface your processor: 1. Set the L/R mix faders to the "2 o’clock" position. 2. Raise the AUX knobs for the channels to which you wa[...]

  • Page 16

    14 MDR624 Sy stem Set-Ups This system shows the MDR624 connected to a pair of powered speakers like the SAMSON Expedition XP200. The MONITOR OUT is c on- nected to an external power amp , which is dri- ving 2 monitor speakers . F or inputs, one micro- phone is connected to channel 1’ s low-imped- ance input, and the out- put of the Bass Direct Bo[...]

  • Page 17

    15 MDR624 Sy stem Set-Ups This system shows the MDR624 in a recording set up with the LEFT and RIGHT C ONTROL R OOM outputs hooked up to powered studio monitors and the A UX SEND feeding a head- phone mix sent to a Samson S•phone headphone amp. F or inputs, a microphone is c on- nected to channel 1’ s lo w- impedance input, and the out- put of [...]

  • Page 18

    MDR624 Wiring Guide Unbalanced 1/4” Connector XLR Balanced Wiring Guide The are several ways to interface the MDR624 to support a variety of applications. The MDR624 features bal- anced inputs and outputs, so connecting balanced and unbalanced signals is possible. Balanced TRS 1/4” Connector 16 CONNECTING THE MDR624[...]

  • Page 19

    MDR624 Specifications Mono input channels Microphone input electronically balanced, discrete input configuration Frequency response 10Hz to 45kHz, +0/- 3dB Distortion (THD&N) 0.05% at +4dBu, 1kHz Gain range 5dB to 60dB(MIC) SNR (Signal to Noise Ratio) 110dB Line input electronically balanced Frequency response 10Hz to 45kHz, +0/ -3dB Distortion[...]

  • Page 20

    18 Block Diagram[...]

  • Page 21

    Notes 19[...]

  • Page 22

    Notes 20[...]

  • Page 23

    [...]

  • Page 24

    Samson T echnologies Corp. 575 Underhill Blvd. P .O. Box 9031 Syosset, NY 1 1791-9031 Phone: 1-800-3-SAMSON (1-800-372-6766) Fax: 516-364-3888 www .samsontech.com[...]