Instruction/ maintenance manual of the product EMX640 Yamaha
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POWERED MIXER E Owner’ s Manual Contents Front and rear panel ............................................ 2 Control panel .......................................................... 2 Input/output panel ..............................................
2 Front and rear panel EMX640—Owner’s Manual Front and rear panel Control panel ■ Channel section In this section, y ou can adjust equalization (fre- quency response), volume level, effect and moni- tor output levels for the input signal of each channel.
Control panel 3 EMX640—Owner’s Manual ■ DIGIT AL EFFECT section This section allows y ou to turn the built-in digital effect on/off and to select the effect ty pe.
4 Front and rear panel EMX640—Owner’s Manual ■ MONITOR section This section allows y ou to adjust the t one and volume of the MONITOR bus, and specify the mix level of the built-in effect.
Control panel 5 EMX640—Owner’s Manual ■ POWER AMP section This section allows y ou to select the signals that will be output from the built-in two-channel powe r amplifier , and t o select the BRIDGE mode.
6 Front and rear panel EMX640—Owner’s Manual Input/output panel 1 Channel input jacks (Hi-Z, Lo-Z) 1~4 These are the input jacks for channels 1~4. By using the P AD switches (c ontrol panel 5 ) you can connect an y of the jacks to a w ide range of sources fr om mics to line lev el dev ices (synthesiz- ers or rhythm bo x es etc.
Rear panel 7 EMX640—Owner’s Manual The nominal input level and impedance ar e – 10 dB/600 Ω for the A UX IN jack, and –10 dB V/ 600 Ω for the T APE IN jacks. 6 External output jacks (REC OUT/MONI- TOR/MAIN) These are output jacks which send line lev el sig- nals from the EMX640 t o external devices.
8 Connections EMX640—Owner’s Manual Connections W hen connecting various devices, be sur e to use cables and plugs of the appropriate standar d. ■ Speaker connection There ar e three wa ys in wh.
Basic Operation 9 EMX640—Owner’s Manual Basic Operation This section explains basic operation of the EMX640. Connecting microphones and instruments 1 Before connecting mics or instruments, make sure that the power of all equip- ment (where applicable) is turned off.
10 Example setups EMX640—Owner’s Manual Example setups This section pro vides some ways in which the EMX640 can be used, and explains c onnections and operation. As a conference P A system/installed sound system Her e is an example of using the EMX640 as a conference P A system or as an installed sound system.
As a band PA 11 EMX640—Owner’s Manual As a band P A Her e is an example of using the EMX640 as a small P A for a band. In this example, the monitor speakers are being sent a mix that is independent of the MAIN speaker mix. An ext ernal effect such as delay or r everb is also being used.
12 Example setups EMX640—Owner’s Manual Sending an independent mix to the monitor speakers 1 Set the MONITOR section MASTER con- trol to the √ √ √ √ position. 2 Raise the MONI controls for the channels that you wish to hear from the monitor speakers.
Specifications 13 EMX640—Owner’s Manual Specifications ■ General specifications Maximum output po wer 200 W/4 Ω @0.5% THD at 1 kHz Frequency response 20 Hz~20 kHz +1 dB, –3 dB @1 W output .
14 Specifications EMX640—Owner’s Manual ■ Input specifications ■ Output specifications • All output jacks are unbalanced. • 0 dB=0.775 Vrms, 0 dBV=1 Vrms. Specifications are subject to c hange without pr ior notice. 1. Sensitivity is the lo west lev el that can produce an output of +4 dB (1.
Dimensions 15 EMX640—Owner’s Manual ■ Dimensions ■ Block and Level diagram 470 W: 480 260 H: 275 D: 275 Unit: mm Clipping level EFFECT OUT REC OUT MAIN, MONITOR POWER AMP BRIDGE 30 dB MAIN BRI.
Y AMAHA CORPORA TION VY66080 R2 1 IP 16 Pro Audio Division, #18/3 P .O. Box 3, Hamamatsu, 430-8651, Japan NP Printed in T aiwan FCC INFORMATION (U.S.A.) 1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements.
An important point after buying a device Yamaha EMX640 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Yamaha EMX640 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Yamaha EMX640 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Yamaha EMX640 you will learn all the available features of the product, as well as information on its operation. The information that you get Yamaha EMX640 will certainly help you make a decision on the purchase.
If you already are a holder of Yamaha EMX640, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Yamaha EMX640.
However, one of the most important roles played by the user manual is to help in solving problems with Yamaha EMX640. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Yamaha EMX640 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
