Powered Mixers TEN CHANNEL POWERED MIXER WITH 24BIT DIGITAL EFFECTS
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 rain or moisture. To reduce the hazard of electrical shock, do not remove cover or back. No user serviceable parts inside. Please refer all servicing to qualified personnel.
Table of Contents Introduction 2 XM910 Features 3 Controls and Functions Front Panel Layout Front Panel Controls 4-5 6-12 XM910 Input and Output Connections 13–16 Operating the XM910 17–20 System Set-ups 21–22 XM910 Wiring Guide Specifications 23 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.
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 equalizers and the high output/low distortion power amplifier.
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.
FRONT PANEL LAYOUT Front Panel Layout 4
5 40 AMP IN – Left and Right input jacks for connecting directly to the internal power amplifier. 41 EFX FOOTSWITCH – Switches the effects on or off. 42 AUX 2 SEND – Effects output jack for connecting an external effects processor. 43 EFX RETURN – Left and Right input connectors for mixing external signals. 44 PEAK LIMTER SWITCH – Use to engage the internal Peak Limiter. 24 MONITOR GRAPHIC EQ – Provides dual 10-Band equalization for the channel monitor.
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. 1 AUX 1/MON - Monitor Send 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.
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 illuminated, indicates that the signal is peaking or overloading. To reduce distortion, lower the GAIN control to keep this LED from staying on. 6 5 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.
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 section describes the features of the powerful on-board digital effects section. 11 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.
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, MAINMONITOR, MAIN-MAIN and MAINBRIDGE.
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.
Controls and Functions MONITOR SECTION The XM910 has two internal power amplifiers and depending on the MODE selection switch, the amplifiers received their input signals from the MAIN or MONITOR bus. The following section describes the MONITOR bus operation, which allows you to adjust the overall tone and volume, and specify the mix level of the built-in effects.
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 featuring a smooth linear taper.
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 microphones to line level devices such as synthesizers, drum machines and direct boxes.
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.
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.
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.
Operating the XM910 BASIC OPERATION The following section explains the basic operation of the XM910. CONNECTING MICROPHONES AND INSTRUMENTS 1. Before connecting mics or instruments, 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 MONITOR section are turned all the way down. 2.
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 operation of the internal DSP effects: 1.
Operating the XM910 USING AN EXTERNAL EFFECT If you prefer to use an external device for effects processing, you can easily connect the unit using the XM910 EFX bus. Follow the simple steps below to interface your processor: 1. Set the MONITOR section MASTER control to the "0" position. Press the EXFX BYPASS switch to disable the internal DSP. 2. Raise the AUX 2 EFX controls for the channels to which you want the external effect to be applied. 3. Now adjust the EFX LEVEL to about half way. 4.
Operating the XM910 USING THE DJ MIXER The XM910 has an on-board DJ mixer, which you can use for playing back a CD, Tape or Mini Disk. The DJ mixer section features 2 CD / TAPE inputs and a removable crossfader. The crossfader allows you to mix between the CD 1 and CD 2 inputs. When the crossfader is set all the way to the left, CD 1 input is selected. To listen to the CD 2 input, slide the cross fader all the way to the right side.
21 SERIAL NUMBER CAUTION DO NOT OPEN RISK OF ELECTRIC SHOCK LEFT GROUND LEFT+ 510W (115V)900W (230V) 115V/230W, 50/60HZ ~AC INPUT OUTPUT 250W/4Ω +RIGHT ! SERVO 550 STUDIO AMPLIFIER SAMSON TECHNOLOGIES CORP., HICKSVILLE, NEW YORK XM910’s MONITOR OUT connected to an external monitor amp. RIGHT PERSONNEL. TO PREVENT TO QUALIFIED SERVICE INSIDE. REFER SERVICING SERVICABLE PARTS NOT OPEN.
This system shows the XM910 power amp operating in MAIN/MONITOR mode, with two speakers connected to POWER AMP 2 and two monitor speakers speaker connected to POWER AMP 1. For inputs, two microphones are connected to channel 1 and 2’s lowimpedance inputs, and the output of the Bass Direct Box is also connected to the LowImpedance input on channel 4. The Keyboards, as well as the Lead and Rhythm Guitar signal processors’ outputs, are connected to the XM910’s line inputs.
XM910 Wiring Guide CONNECTING THE XM910 The are several ways to interface the XM910 to support a variety of applications. The XM910 features balanced inputs and outputs, so connecting balanced and unbalanced signals is possible.
Specifications SPECIFICATIONS Rated Output power Frequency response Total Harmonic Distortion equivalent input noise (Average, RS+150Ω) (with 22Hz~22KHz BPF) 2 X 450W at 4Ω @0.1% THD at 1KHz 20Hz~20KHz+/-0.7dB@1W Output into 8Ω (AMP OUT) 20 Hz~20KHz+/-0.4@+4dB Output into 10kΩ (MAIN OUT, MONITOR OUT, AUX 2 SEND) Less than 0.06%@20Hz~20KHz, 75W output into4Ω (AMP OUT) Less than 0.
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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.
