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Resumen del manual
In addition to offering a versatile mixing'system, the MC-series consoles offer electronically balanced inputs and stereo outputs to maintain optimum signal quality over long cable runs, a versatile 3-band equalizer with sweepable mid-frequency EQ on each input channel, three independent AUX submix systems for external effects routing or additional power amplifier feeds, cue switches for independent monitoring of all input channels and busses, and a built-in talkback system for convenient communication. Of course, the MC-series mixing consoles also offer the high standard of quality and great sound that Yamaha is famous for. We urge you to read this operation manual thoroughly in order to make the most of the mixer’s many features and controls. CONTENTS PRECAUTIONS . ..................................2 FRONT PANEL CONTROLS ...... ..........3 Input Channels...... ......... 3 Master Control Section ........... ............6 REAR PANEL CONNECTORS AND CONTROLS .... 9 APPLICATION EXAMPLE . . . .. ................11 BLOCK DIAGRAM ...... . ..... 12 LEVEL DIAGRAM . . . . . ................13 DIMENSION CHART . . . ..............13 SPECIFICATIONS ......... . . . ............. 14 SERVICE ---------------- ------ -------------------15 PRECAUTIONS I 1. AVOID EXCESSIVE HEAT, HUMIDITY, DUST AND VIBRATION Keep the unit away from locations where it is likely to be exposed to high temperatures or humidity—such as near radiators, stoves, etc. Also avoid locations which are subject to excessive dust accumulation or vibration which could cause mechanical damage, 2. AVOID PHYSICAL SHOCKS Strong physical shocks to the unit can cause damage. Handle it with care. 3. DO NOT OPEN THE UNIT OR ATTEMPT REPAIRS OR MODIFICATIONS YOURSELF This product contains no user-serviceable parts. Refer all maintenance to qualified Yamaha service personnel. Opening the unit and/or tampering with the internal circuitry will void the warranty. 5. HANDLE CABLES CAREFULLY Always plug and unplug cables-including the AC cord-by gripping the connector, not the cord. 6. CLEAN WITH A SOFT DRY CLOTH Never use solvents such as benzine or thinner to clean the unit. Wipe clean with a soft, dry cloth. 7. ALWAYS USE THE CORRECT POWER SOURCE Make sure that the power source voltage specified on the rear panel matches your ioca| AC mains supply. U.S. & Canadian Models: 120VAC,60Hz General Model: 110 - 120/220 - 240 V AC, 50/60Hz 4. MAKE SURE POWER IS OFF BEFORE MAKING OR REMOVING CONNECTIONS Always turn the power OFF prior to connecting or disconnecting cables. This is important to prevent damage to the unit itself as well as other connected equipment. 2 FRONT PANEL CONTROLS Input Channels -Ц20 -30 1 О PAD Switch This switch attenuates the signal applied to the corresponding rear-panel Hl-Z or LO-Z input by 20 dB prior to the head.amplifier and input gain control. The PAD switch effectively increases the range of input signal levels that can be handled by the mixer, preventing overloading of the input circuitry when receiving high-level signals. GAIN Control This control adjusts the input sensitivity of each input channel between — 60 dB (0.775 mV) and -20 dB (77.5 mV) when the PAD switch is OFF (between -40 dB and 0 dB when the PAD switch is ON). Continuously variable gain control allows optimum matching with virtually any microphone or line source. Q CLIP LED Indicator The CLIP indicator LED lights when the post-EQ signal of the corresponding channel's input reaches a level 3 dB below the clipping level of the channel's circuitry. If the CLIP indicator lights more than only briefly on high-level transients it is necessary to decrease the input sensitivity of the channel using the GAIN control and PAD switch or, if this does not provide sufficient attenuation, to reduce the output level of the source connected to that channel's input. О 3-band Equalizer The equalizer section provided on each input channel comprises shelving LOW and HIGH controls, and a peaking MID control with a MID FREQ control that permits sweeping the midrange center frequency from 350 Hz to 5 kHz. Control Maximum Boost/Cut Frequence Type HIGH ±15dB 10kHz Shelving MID ±15dB 0.35 ~ 5 kHz Peaking LOW ±15dB 100Hz Shelving 3 © AUX Controls (1,2 &3) The MC-series mixing consoles have three independent AUX busses which are -fed by the corresponding AUX controls on the input channels. Each AUX control determines the level of the signal sent from that channel to the correspondingly numbered AUX mixing buss, which in turn feeds the correspondingly numbered AUX SEND control and AUX SEND jack on the console's rear panel. The AUX controls can be used to determine the amount of signal from the corresponding input channel sent to external effect devices or power amps fed by the AUX SEND jacks. * AUX 1 is factory pre-wired for pre-EQ/pre-fader operation, so the AUX 1 signal is not affected by the setting of the channel EQ controls or fader. An internal jumper a...
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