Samson XM910 manuale d’uso

Powered Mixers TEN CHANNEL POWERED MIXER WITH 24BIT DIGIT AL EFFECTS[...]

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 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 Techn[...]

2 Congratulations on your purchase of the Samson XM910 powered mixer! The XM910 is a ten channel, 900 W att 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[...]

3 XM910 F eatures 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[...]

4 F ront P anel La y out FRONT P ANEL LA Y OUT[...]

F ront P anel La y out 5 FRONT PANEL 1 AUX 1 MONITOR – Controls the amount of signal sent to the monitor amp and AUX 1 send jack. 2 AUX 2/EFX – Controls the amount of signal sent to the digital effects processor and AUX 2 send jack. 3 HIGH FREQUENCY – Controls the amount of treble applied to that channel. 4 MID FREQUENC Y – Controls the amo[...]

6 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 Each of the XM910’s channels include a MONITOR send which controls the amount of that channel’s signal that is sen[...]

7 Controls and Functions 6 7 8 9 MONO INPUT CHANNEL SECTION - continued 5 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, lower the GAIN control to keep this LED from staying on. GAIN - Control The XM910’s pre-amp stage has a v[...]

8 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. Program - Effects Displa y The XM910 features a dual, digital, seven segment numerical display for show- ing the effects program number. You will see the PROGRAM numbers change as you [...]

9 Mode-P ower 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 each of the POWER operating modes: C AUTION! Only change the power amp mode switch when the XM910’s power is SWITCHED OFF ! MAIN-MONITOR With this setting, the MAIN an[...]

10 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. Output Le[...]

11 EFX TO MON - Effects Return Control The EFX TO MON control is used to adjust the level of the effect sound being sent back from the built-in digital effect to the MONITOR bus. This allows you to hear the DSP effects in your monitor speakers. MASTER - V olume Control The MASTER level control is the overall con- trol for the MONITOR bus. The MONIT[...]

12 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 Crossfader is used to mix between the CD1 input and the CD/TAPE 2. CD 1 – Input Level Control The CD 1 input volume [...]

13 XM910 Input and Output Connections 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 machin[...]

14 EFX RETURN - Left and Right Auxiliar y Input These two 1/4-inch phone jacks are used to connect the outputs of stereo devices such as external effects processors. AUX 2 SEND - Effects Output The AUX 2 SEND output is used to interface an external signal processor like a delay or reverb. The signal present at the AUX 2 SEND output is sent from the[...]

15 XM910 Input and Output Connections REAR P ANEL 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 [...]

16 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 informa[...]

17 Operating the XM910 BASIC OPERA TION 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 [...]

18 Operating the XM910 USING THE DIGIT AL 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 prese[...]

19 Operating the XM910 USING AN EXTERNAL EFFECT If you prefer to use an external device for effects process- ing, 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 int[...]

20 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 se[...]

21 XM910 Sy stem Set-Ups SAMSON TECHNOLOGIES CORP., HICKSVILLE, NEW YORK TO PREVENT SHOCK DO NOT OPEN. NO USER SERVICABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. TO PREVENT CAUTION HEATSINK MAY BE HOT! DO NOT BLOCK AIRFLOW OR OVER- HEATING MAY OCCUR RISK OF ELECTRIC SHOCK DO NOT OPEN SERIAL NUMBER F U S E FUSE FUSE RATING 12A/[...]

22 XM910 Sy stem Set-Ups This system shows the XM910 power amp oper- ating in MAIN/MONITOR mode, with two speak ers c onnected to POWER AMP 2 and two monitor speakers speak er con- nected to POWER AMP 1. F or inputs, two micro- phones are connected to channel 1 and 2’ s low- impedance inputs , and the output of the Bass Direct Box is also con- ne[...]

XM910 Wiring Guide Unbalanced 1/4” C onnec tor XLR Balanced W iring 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. Balanced TRS 1/4” C onnec tor 23[...]

24 Specifications SPECIFICATIONS Rated Output power 2 X 450W at 4 Ω @0.1% THD at 1KHz Frequency response 20Hz~20KHz+/-0.7dB@1W Output into 8 Ω (AMP OUT) 20 Hz~20KHz+/-0.4@+4dB Output into 10k Ω (MAIN OUT, MONITOR OUT, AUX 2 SEND) Total Harmonic Distortion Less than 0.06%@20Hz~20KHz, 75W output into4 Ω (AMP OUT) Less than 0.1%@20 Hz~20KHz+14[...]

25 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[...]