Samson MDR8 manuale d’uso

MDR Series Mixers EIGHT CHANNEL MIXER WITH 24BIT DIGIT AL EFFECTS AND HARD DISK MODE[...]

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[...]

T able of Contents Introduction 2 MDR8 Features 3 Front and Rear P anel Lay out 4 Front and Rear P anel Controls 5 Controls and Functions Mono Input Channel Section 6–7 Master Section 8–9 MDR8 Input and Output Connections 10–1 1 Operating the MDR8 12–16 System Set-ups 17–18 MDR8 Wiring Guide 19 Specifications 20 Block Dia gram 21 Copyrigh[...]

2 Congratulations on your purchase of the Samson MDR8 mixer! The MDR8 is an eight channel mixer, with six low noise microphone pre-amps, and built-in 24 BIT DSP effects processor. The MDR8 also features HDM (Hard Disk Mode), which when engaged, provides a special monitoring and bussing mode ideal for interfacing with a computer based hard disk reco[...]

3 MDR8 F eatures The Samson MDR8, eight channel mixer with onboard 24 BIT DSP is a comprehensive, all-in-one solution for live sound, recording, fixed installation and post production applications. Here are some of its main features: • Eight Channels – Four Mic/Line plus two Stereo inputs with mic pre’s. • Flexible design topology ideal for[...]

4 F ront and Rear P anel La yout[...]

5 FRONT PANEL 1 MIC/LINE – Combination Input connector for Low-Noise Microphone pre-amp and Line level inputs. 2 GAIN – Used to set the input level of the mic pre and line input. 3 CLIP – Red LED will illuminate indicating when the mic GAIN has been adjusted too high. 4 HIGH FREQUENCY - Controls the high band of the Channel Equalizer, +/- 15 [...]

6 Controls and Functions MONO INPUT CHANNEL SECTION The following section details each part of the MDR8’s MONO INPUT CHANNELS including the GAIN control, 3- BAND EQ, AUX sends, RECORD, PAN and LEVEL controls. The input channels one through four on the MDR8 feature high quality, discrete transistor pre-amp providing transparency and extended dynam[...]

BALANCE (Stereo Inputs Only) The MDR8’s BALANCE control is used to place or position the stereo signal into the main Left and Right MIX bus. You can move a stereo signal’s image to the left or right by setting the BALANCE control to the left or to the right. PAN (Mono Inputs Only) The MDR8’s PAN control is used to place or position the mono s[...]

24 BIT DIGIT AL EFFECT SECTION The MDR8 features a built-in, 24 Bit Digital Effects proces- sor with high quality, studio grade effects such as Delay, Chorus and Reverb. The following section describes the features of the powerful on-board DSP. SELECT Switch (DIGITAL EFFECTS) The SELECT switch allows you to select one of the eight built-in digital [...]

9 Controls and Functions MASTER SECTION (continued) Auxiliary Returns The MDR8 has two stereo auxiliary returns, which can be accessed via the two pairs of 1/4-inch phone jacks located on the rear panel. The auxiliary returns can be used to connect any stereo line level signal, but they are primarily used to connect the output of external effects p[...]

10 Line Level Input - Mono Input Channels Use these inputs to connect line level signal from synthesizers, drum machines, effects processors or any line-level signal. The LINE inputs have a nominal operating level of -40dB through - 10dB. TRS phone jacks (located in the center of the combie connector). Connector pin-out - Sleeve: Ground, Tip: Hot ([...]

11 AUX 1 RETURN LEFT/RIGHT The AUX 1 RETURN LEFT/RIGHT are stereo inputs that are generally used to connect the outputs of an effects processor, but can also accept the sig- nal from any line level source like a keyboard, recorder and even another mixer. The signal connected to the AUX 1 RETURN LEFT/RIGHT will feed the main LEFT/RIGHT MIX bus. The [...]

Operating the MDR8 12 BASIC OPERATION The following section explains the basic operation of the MDR8. CONNECTING MICROPHONES AND INSTRUMENTS 1. Before connecting mics or instruments, make sure that the power of all your sys- tems components including the MDR8 is turned off. Also, make sure that the Left and Right MIX faders are turned all the way d[...]

Operating the MDR8 13 USING THE DIGITAL EFFECTS The MDR8 features a built-in, high quality, 24 BIT Digital Signal Processor offering studio grade effects. The DSP features clean Delay, lush Reverbs and multi-effects such as Chorus + Delay or Chorus + Reverb. The fol- lowing details the operation of the internal DSP effects: 1. Connect a mic or inst[...]

14 Operating the MDR8 USING AN EXTERNAL EFFECT If you prefer to use an external device for effects process- ing, you can easily connect the unit using the MDR8 EFX bus disconnecting the internal DSP. Follow the simple steps below to interface your processor: 1. Connect the AUX 2 OUTPUT to the input of the exter- nal effect processor. 2. Connect the[...]

15 Using The HDM (HARD DISK MODE) The MDR8 includes an exclusive HDM (HARD DISK MODE) that has been designed to interface with computer based hard disk recorders. Never before have such flexible routing and monitoring been included in such a small mixer. The HDM provides a seamless solution for recording and over- dubbing on a hard disk recorder by[...]

16 Operating the MDR8 Using The HDM (HARD DISK MODE) Continued 3. Engage the HDM switch in the Master Section. The input channel’s REC LED will light dimly indicating the channel can be assigned to the RECORD bus. 4. Press the RECORD switch on the MDR8’s channel 7/8. The input channel’s REC LED will flash indicating the channel is assigned to[...]

17 MDR8 Sy stem Set-Ups This system shows the MDR8 connected to a pair of powered speakers lik e the SAMSON Expedition EX20. The MONITOR OUT is connected to an exter- nal power amp , which is driving 2 monitor speak- ers. F or inputs, two micro- phones are connected to channels 1 and 2’ s low- impedance inputs , and the output of the Bass Direct [...]

18 MDR8 Sy stem Set-Ups This system shows the MDR8 in a recording set up with the LEFT and RIGHT C ONTROL R OOM output hooked up to powered studio monitors and the A UX 1/ Mon feed head- phone mix sent to a Samson S phone headphone amp. F or inputs, two microphones are c onnected to channel 1 and 2’ s low-impedance inputs , and the output of the [...]

19 MDR8 Wiring Guide Unbalanced 1/4” Connector XLR Balanced Wiring Guide CONNECTING THE MDR8 The are several ways to interface the MDR8 to support a variety of applications. The MDR8 features balanced inputs and outputs, so connecting balanced and unbalanced signals is possible. Balanced TRS 1/4” Connector[...]

20 MDR8 Specifications Frequency Response (Trim @ Min, unity gain ± 3 dB) Mic to Main 5 Hz - 54 kHz Line to Main 5 Hz - 54 kHz Aux Return to Main 5 Hz - 98 kHz Line to Aux Send 5 Hz - 57 kHz T.H.D. (Trim @ Min, +4dBu output, unity gain, 1 kHz w/30 kHz LPF) Mic/Line to Main (Mono Ch) 0.02% Line to Main (Stereo Ch) 0.02% Line to Aux Send 0.02% Equiv[...]

21 Block Diagram[...]

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[...]