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Powered Mixers
TEN CHANNEL POWERED MIXER
WITH 24BIT DIGITAL EFFECTS
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Safety Instructions/Consignes de sécurité/Sicherheitsvorkehrungen/Instrucciones de seguridad WARNING: To reduce the risk of fire or electric shock, do not expose this unit to ATTENTION: Pour éviter tout risque d’électrocution ou d’incendie, ne pas rain or moisture. To reduce the hazard of electrical shock, do not remove cover or exposer cet appareil à la pluie ou à l’humidité. Pour éviter tout risque d’électrocu- back. No user serviceable parts inside. Please refer all servicing to qualified per
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Table of Contents Introduction 2 XM910 Features 3 Controls and Functions Front Panel Layout 4 - 5 Front Panel Controls 6-12 XM910 Input and Output Connections 13–16 Operating the XM910 17–20 System Set-ups 21–22 XM910 Wiring Guide 23 Specifications 24 Block Diagram 25 Copyright 2004, Samson Technologies Corp. Printed March, 2004 Samson Technologies Corp. 575 Underhill Blvd. P.O. Box 9031 Syosset, NY 11791-9031 Phone: 1-800-3-SAMSON (1-800-372-6766) Fax: 516-364-3888 www.samsontech.com
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Introduction Congratulations on your purchase of the Samson XM910 powered mixer! The XM910 is a ten channel, 900 Watt powered mixer with a built-in, 24 BIT DSP (Digital Signal Processor) effects. The XM910 will give you clean, clear sound reproduction thanks to the high quality, low noise microphone preamps, super clean mix bus, two on-board 10-band graphic equaliz- ers and the high output/low distortion power amplifier. For studio quality processing, you can add one of the 100 dazzling digital
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XM910 Features The Samson XM910 Powered Mixer is a comprehensive, all-in-one mixer / power amplifier solution for live sound applications. Here are some of its main features: • Ten channel powered mixer in ergonomically correct kickback enclosure allowing you to easily see and operate the front panel functions. • Eight Mic / Line inputs with 1/4-inch phone and XLR connectors. •2 x 450 Watts Main, or 450 Watt Main / 450 Watt Monitor, or 900 Watts Bridged power operating modes. •A built-in, 24-bi
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Front Panel Layout 4 FRONT PANEL LAYOUT
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Front Panel Layout 5 FRONT PANEL 17 MONITOR LED METER – Indicates the amount of 32 DJ CROSSFADER – Used to mix between the output signal on the monitor output. CD1 and CD2 inputs. 1 AUX 1 MONITOR – Controls the amount of signal sent to the monitor amp and AUX 1 send jack. 18 CLIP LEDS – Indicates power amp maximum level. 33 REC OUT – Output used to send main mix to an external recorder. 2 AUX 2/EFX – Controls the amount of signal sent to the 19 AMP 1 and AMP 2 PROTECT LEDs – Indicates digital e
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Controls and Functions MONO INPUT CHANNEL SECTION The following section details each part of the XM910’s INPUT CHANNELS including the 3-BAND EQ, the MONITOR and EFX sends, PAN, GAIN and VOLUME controls. AUX 1/MON - Monitor Send 1 Each of the XM910’s channels include a MONITOR send which controls the amount of that channel’s signal that is sent to the MONITOR bus. The Input channel’s MONITOR sends are mixed together and are sent to the speakers 1 connected to the POWER AMP 1 A/B jacks if the POWE
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Controls and Functions MONO INPUT CHANNEL SECTION - continued 5 PEAK LED The XM910’s MIC/LINE pre-amp also includes a PEAK LED which, when illumi- nated, indicates that the signal is peaking or overloading. To reduce distortion, 5 lower the GAIN control to keep this LED from staying on. 6 GAIN - Control 6 The XM910’s pre-amp stage has a variable GAIN control with a range of -6 to -50dB on the MIC input and +14 to -30dB on the LINE input. 7 VOLUME - Level Control 7 The VOLUME control adju
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Controls and Functions FRONT PANEL CONTROLS 24 BIT DIGITAL EFFECT SECTION The XM910 features a built-in, 24 Bit Digital Effects processor with 100 high quality, studio grade effects like Delay, Chorus and Reverb. The following sec- 11 tion describes the features of the powerful on-board digital effects section. 10 SELECT - Digital Effects Select Switch The SELECT switch allows you to pick one of the 100 built-in digital effects. Simply rotate the SELECT to choose the effect. 10 11 Program - E
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Controls and Functions POWER AMP SECTION The XM910’s power amplifier section can be configured to operate several ways depending on whether you need MAIN plus MONITOR amplifiers to power your speakers, or if you just need more power for the MAIN speakers. The section below describes the XM910 power amp modes. 16 Mode-Power amp Mode switch The MODE switch is used to select one of three different operating modes, MAIN- MONITOR, MAIN-MAIN and MAIN- BRIDGE. The following is a description of 17 18 e
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Controls and Functions MAIN OUTPUT SECTION The XM910 has two internal power amplifiers and depending on the power amp MODE selection switch, the amplifiers are sent the MAIN or MONITOR bus signal. The following section describes the MAIN bus operation, which allows you to adjust the over-all tone and volume, and specify the mix level of the built-in effects. 19 Output Level Meter The OUTPUT LEVEL METER allows you to monitor the level of the signal which is being sent to the MIX OUT jacks. 19 NOT
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Controls and Functions MONITOR SECTION The XM910 has two internal power amplifiers and depending on the MODE selection switch, the ampli- fiers received their input signals from the MAIN or MONITOR bus. The following section describes the 26 MONITOR bus operation, which allows you to adjust the overall tone and volume, and specify the mix level of the built-in effects. 24 EFX TO MON - Effects Return 24 Control The EFX TO MON control is used to adjust the level of the effect sound being sent bac
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Controls and Functions DJ MIXER SECTION Offering extreme flexibility for today’s working musicians, the XM910 incorporates an on-board, two channel stereo DJ mixer. The following section details the control functions used in the XM910’s DJ mixers section. 29 DJ Crossfader The XM910 has a built-in DJ mixer, which can be used to mix line level sources like CD or tape players. Like other high quality DJ mixers, the XM910 has a removable crossfader featur- ing a smooth linear taper. The Crossfade
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XM910 Input and Output Connections 3 5 6 8 9 1 11 12 13 2 7 4 10 CHANNEL 1– 10 MIC and LINE INPUTS The XM910’s six input channels each have a LINE level, Hi-Z (High Impedance) input and a MIC level, Low-Z (Low impedance) input. By using the GAIN control, you can connect a variety of signal sources from micro- phones to line level devices such as synthesizers, drum machines and direct boxes. Both LINE and MIC inputs are balanced, with MIC inputs compatible with microphones of output impedance
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XM910 Input and Output Connections MASTER SECTION INPUT AND OUTPUT CONNECTORS The XM910 features several output connectors allowing you to interface a variety of external devices. A stereo recording device such as a cassette recorder can be connected to the REC OUT jacks, and additional power amplifiers can be connected to the MONITOR and MAIN output jacks. EFX RETURN - Left and Right Auxiliary Input 5 These two 1/4-inch phone jacks are used to connect the outputs of stereo devices such as exte
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XM910 Input and Output Connections REAR PANEL The XM910 contains two mono power amplifiers and depending on the operating mode, the two amplifiers can be used independently (maximum output 300W + 300W) or in BRIDGE mode (maximum output 900W). NOTE: Use the MODE switch to select which signal is sent to the speaker output jacks, and to activate BRIDGE mode. If the two power amplifiers are used for MAINS operation, two speakers can be connected to the AMP 1 A/B jacks and two more to the AMP 2 A/B
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XM910 Input and Output Connections SPEAKER CONNECTION The XM910’s power amplifier section can be configured to operate several ways depending on the setting of the power amp MODE switch located on the front panel. This allows you to choose whether you need MAIN plus MONITOR amplifiers to power your speakers, or if you just need more power for the MAIN speakers. For more information on the power amp MODE switch, see the section POWER AMP SECTION on page 9 of this manual. There are three ways
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Operating the XM910 BASIC OPERATION The following section explains the basic operation of the XM910. CONNECTING MICROPHONES AND INSTRUMENTS 1. Before connecting mics or instru- ments, make sure that the power of all your systems components, including the XM910, is turned off. Also, make sure that the volume and gain controls of each channel of the XM910 and the MASTER controls of the MAIN and MONI- TOR section are turned all the way down. 2. Connect the cables to your micro- phones and instrumen
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Operating the XM910 USING THE DIGITAL EFFECTS The XM910 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 like Chorus + Delay or Chorus + Reverb. You can add a broad range of studio quality effects by simply dialing through the 100 presets. The following details the opera- tion of the internal DSP effects: 1. Connect a mic or instrument to the desired channel, and adjust the volume an
