Sound - Dynacord MP7-Manual - SXS Events

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INPUT/MONO ent production courtesy Phone: of and Audio-Visual 0870 080 2342 Services www.sxsevents.co.uk email: enquiries@sxsevents.co.uk 1. MIC Electronically balanced XLR-type inputs (identical to the ones found on major studio and live sound mixing consoles) for connecting low-impedance microphones. The input stage provides extremely low noise and low hum signal processing at an outstandingly low distortion rate (
INPUT/MONO ent production courtesy Phone: of and Audio-Visual 0870 080 2342 Services www.sxsevents.co.uk email: enquiries@sxsevents.co.uk Another welcome side effect is, that the power amplifier and the connected loudspeaker systems are not “polluted” by low-frequency interference “closing off” the sound system, which certainly is not in yours or the audience’s interest. Your speaker systems will provide you with a truly clear, natural, and powerful sound performance when using the Lo CUT filter. 4. GAIN Rotary control for adjusting the MIC or LINE inputs’ sensitivity, while optimally matching the incoming signals to the mixer’s internal operation level. Cautious adjusting offers the benefits of an improved S/N-ration and provides you with the full bandwidth of the <strong>MP7</strong>’s outstanding sound capabilities. On the XLR-type connectors an amplification of +10dB is achieved when the control is set all the way to the left and +60dB when the control is set to its maximum position to the right. Especially when dealing with very low input levels, like they occur during vocal recordings or when picking up distant sound sources, the high gain is extremely profitable. Using the LINE-input, the signal is generally attenuated by -20 dB, while maintaining the total adjustment range of 50dB. The LINE-input’s unity gain - no amplification (0 dB) - is achieved at the 20dB mark. The following is meant as a short note for your assistance on how to determine the correct input level. Note on how to set the input level: 1. Set the gain control and the corresponding channel fader to their minimum setting. 2. Connect the desired sound source (microphone, musical instrument, ...) to the corresponding MIC or LINE input. 3. Play the sound source at its highest volume setting; respectively, sing or speak as loud as possible directly into the microphone. 4. While doing so, adjust the input level using the gain control, so that during the loudest passages the PEAK LED is just not lit, but the SIGNAL-LED lights constantly. This is the basic channel setting, leaving you with at least 8dB of headroom. Which means, you have at least a range of 8dB before signal clipping. In case you intend to make further adjustments to the channel’s EQ setting, you should perform steps 3. and 4. again afterwards, since changes in the sound shaping section also influence the channel’s overall level. 5. EQ SECTION The mixer’s EQ section allows very differentiated shaping of the incoming audio signal within different frequency bands. Turning an EQ level control to the right enhances / amplifies the corresponding frequency range while turning it to the left lowers / attenuates the signal of that specific frequency band. Before altering to the sound, all EQ controls should be set to their neutral position; i.e. their markers point straight up (detent position). If possible, do not set the EQ controls to extreme positions. Usually, minor changes are totally sufficient and produce the best results in the overall sound. You should use a natural sounding reproduction as an orientation mark and rely on your musically trained ear, which still is one of the best instruments for judging the sound quality. Try to avoid excessive enhancement of the MID band. The moderate use of the MID control is the best remedy to avoid acoustical feedback. Lowering the frequency band’s level more or less will provide you with high amplification rates without feedback. Set the LO-EQ in accordance to your personal taste, for instance to achieve the desired, voluminous vocal sound. Use the HI-EQ to provide vocals with more crisp. www.sxsevents.co.uk 27
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