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Shure SCM268E manual

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Table of contents for the manual

  • Page 1

    Model SCM268E User Guide ©2008 Shure Incorporated 27AS8880 (Rev . 2) Printed in U.S.A. SCM268E Four-channel Microphone Mixer 四频道麦克风混音器 4 채널 마이크 믹서 1 2 3 4 AUX IN OUTPUT LEVEL METER MASTER POW ER -10 0 +6 +12 +18 -20 SCM268 mi crophone mix er[...]

  • Page 2

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  • Page 3

    3 TABLE OF CONTENTS ENGLISH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 INSTALLATION . . . . . . . . .[...]

  • Page 4

    4 ENGLISH ! IMPORT ANT SAFETY INSTRUCTIONS ! 1. READ these in structions. 2. KEEP the se instruct ions. 3. HEED all warnin gs. 4. FOLLOW al l instruct ions. 5. DO NOT us e this appara tus near wate r . 6. CLEAN ONL Y with dry clot h. 7. DO NOT bl ock any venti lation openin gs. Install in a ccordance wit h the manu- facturer's instru ctions. 8[...]

  • Page 5

    5 ENGLISH SHURE SCM268 DESCRIPTION The Shure Model S CM268 is a transf ormer-balanced, fou r-channel mi- crophone mixer. Its simp le, compact design de livers superior perfor- mance and exceptio nal sound quality with l ow noise and a flat fr equency response. Versatile in all types of applicatio ns, the SCM268 integrates transform- er-balanced X L[...]

  • Page 6

    6 ENGLISH GAIN CONTROL INPUT GA IN The gain control kno b s 1-4, located on the front panel, adjust t h e gain for both microphone and auxiliar y-level inpu ts of channe ls 1-4 (see Figure 1). For example, th e channel 1 gain con trol is used for bot h the channel 1 m i- crophone input (MIC LEVEL INPUT 1) and the channel 1 auxiliary leve l input (A[...]

  • Page 7

    7 ENGLISH CONNECTIONS The following diagram illust rates a few of the many types of connections possible with the SCM 268. Note that no thing is connected to the channel 4 microphone in put (MIC LEVEL I NPUT 4). This is because channel 4 is being used f or the consumer -level equipmen t connected to th e channel 4 auxiliary level input (AUX LEVEL I[...]

  • Page 8

    8 ENGLISH INSTALLATION SUPPLIED HARDWARE • 4 rubber feet. For stand-alone installation. • 1 rackmount bracket, long. For half-rack (single unit) instal- lations. • 1 rackmount bracket, short. For half-rack (single) or du- al-mount installations. • 2 straddle brackets. For dual-mount or fixed installations. • 12 bracket screws, 1/4 in. (6 [...]

  • Page 9

    9 ENGLISH INTERNAL MODIFICATIONS DISASSEMBLY To access the printed circuit board (pc board) for in ternal modifications, use the following step s: 1. Unplug the power cord. 2. Remove the knobs and retainer nuts from the front panel (See Figure 2). KNOB ASSEMBLY FIGURE 2 3. Remove the four screws at each corner of the back pa nel. 4. Remove the two [...]

  • Page 10

    10 ENGLISH SPECIFICATIONS Measurement Conditions (unless otherwise specified): Line voltage 120 Vac, 60 Hz (SCM268) or 230 Vac, 50 Hz (SCM268E); f ull gain; 1 kHz, one channel activated; source impedances: Mic 150 Ω , Aux Level 150 Ω ; terminations: Line 600 Ω , Mic 600 Ω, Aux Out 10 k Ω. 12 V phantom power off. Frequency Response (Ref 1 kHz, [...]

  • Page 11

    SHURE Incorporated http://www.shure.com 美国、加拿大、拉丁美 洲、加勒比海地区： 5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A. 电话： 847-600-2000 美国 传真： 847-600-1212 国际 传真： 847-600-6446 欧洲、中东、非洲： Shure Europe GmbH ，电话： 49-7131-72140 传真： 49-7131-721414 亚太地区： Shu[...]