Carvin FX1244P Instruction Manual - Page 18
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FX44 Mixer Detailed Control Descriptions Section 3 The Main Outputs 1) The 2 TRACK Master Faders This stereo fader pair sets the overall level at the two-track outputs of the mixer. The two-track outputs are available at the rear of the mixer on a pair of balanced XLR connectors as well as a pair of RCA phono jacks. The balanced outputs are recommended for long cable runs. For short cable runs (typical of recording situations) the RCA phono outputs are fine. 2) The MONO Master Level Control The MONO MASTER control sets the level at the mono output of the mixer (one balanced XLR connector). The mono signal is the sum of the left and right outputs so the 2 TRACK faders must be raised in order to have a mono output signal. 3) The GRAPHIC EQUALIZERS Each FX44 mixer is provided with two nine band graphic equalizers. Each graphic EQ has a bypass switch and LED status indicator located below it. The LED is illuminated when the graphic EQ is switched into the signal path. The graphic EQ's are dedicated to the two-track outputs of the mixer. Note on Powered Models: The Graphic EQ's (as well as the power amplifiers) can be switched from the 2 TRACK outputs to the MONO and MON 1 outputs for convenient mono PA operation. The Stereo/Mono switch is located on the rear of the mixer above the speaker jacks. You should find the graphic EQ especially useful for controlling feedback in the monitor system. Note that the graphic EQ's follow the amp interrupt jacks so that any signal patched into the amp input will be processed through the corresponding graphic EQ. The 9 band Graphic Equalizers in the FX44 mixers provides a wide degree of tonal flexibility. To properly use the Graphic EQ (equalizer), set all sliders to their center position. With the sliders at this position, there is no effect on the audio signal. When you raise the slider above the center position, you boost levels in a narrow frequency band. If you lower the slider below the center, you are subtracting levels. When using these sliders, think of them as volume controls that can add or subtract tones in narrow bands. Frequency: The 63 Hz slider Is used for deep sub bass level adjustments, the 125 Hz is for higher bass adjustments, the 250,500 and 1K Hz is for mid and higher mid tone adjustments, the 2K and 4K Hz is for mid treble adjustments, and the 8K and 16K Hz sliders add to the very high treble notes. Adjusting: It is recommended that all sliders are set in their center position before equalizing your tone. Typically low frequency feedback is in the 125 and 250 Hz range while high feedback is in the 2k and 4k Hz range. Occasionally you may have to turn one frequency (slider) off to -12dB to help stop feedback. But you should never turn the adjacent sliders off. Instead, set the adjacent sliders to -6d6 to form a gentle negative curve. Likewise, if you need more deep bass, boost the 63 Hz by 10 dB and the 125Hz by 5 dB. Or. if you need more treble. boost the 8k by 6 dB and the 16k Hz by 4 dB. Note- there is not much signal at 16k so you may not hear any difference except for added noise. if you raise or lower all sliders at the same time, the EQ will act like a volume control because you are affecting all frequencies. Be careful with your adjustments, because you are affecting the overall sound. If you are not familiar with the operation of a graphic EQ then one way to get familiar with the equalizer is to experiment with the sounds of the different bands. Run some prerecorded music through the mixer and, with the EQ's switched in, set each of the bands at "0". Pull the right 2 TRACK fader all the way down so that you are listening to only the left channel. Then boost and cut each band of the left (top) EQ one at a time to become familiar with the way it affects the sound. Then experiment with the overall sound of all the bands of the equalizer until you learn to recognize the sound of each band The graphic EQ's are mainly used to "equalize" the response of the main speakers to provide the best sound for a given room. You are able to switch the graphics in or out of your main mix for an instantaneous evaluation of how they are affecting your main speakers by pressing the IN/OUT switch located just below the equalizers. 3-8