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ASHLY MX-508 [4/12] Operating manual mx 508 stereo microphone line mixer

Operating Manual -MX-508 Stereo Microphone/Line Mixer

4.CONTROLS

41 Input Level (Gain)

This control sets the operating level of the Microphone

preamp and Line Input Best signal to noise ratio is obtained

with higher gain settings It is therefore desirable to set the

Gain control as high as possible while still leaving enough

headroom (typically 20dB) to prevent distortion

42 Mic-Line Switch

This switch selects between the XLR microphone input

or the 1/4" line input jack as the signal source It can also serve

as a "channel mute" switch when selected to the unused input

43 Channel Clip Indicator

This peak sensitive indicator monitors all level critical

points in the input channel and illuminates if any of them reach

levels 3 dB below clipping

44 Equalization

Channel EQ consists of a high shelf control at 15KHz

(middle of shelf), a sweepable mid control, and a 70Hz low

shelf control The mid control is sweepable from 140Hz to

8KHz with a bandwidth of approximately 1 octave

45 Aux Sends

These are an additional pair of level controls to adjust the

feed to monitors or effects units Aux 1 is factory preset to pre-

fader, pre-EQ, while Aux 2 is post-fader, post-EQ Both Aux

sends can be internally switched to pre or post fader/EQ Note:

See section on changing factory configurations.

46 Level and Pan

This concentric pair of controls adjusts the level and

stereo position of the channel

47 Aux Master Sends

These two controls adjust the overall gain of the output

stages for the Aux 1 and Aux 2 Send outputs

48 Aux Master Returns With Pan

These two concentric level and pan controls adjust the

returning signal from effects units or auxiliary inputs to the

Main Left and Right outputs Return 1 is stereo and return 2

is mono If only the right connection to return 1 is made, this

return will function as mono with pan

49 Stereo Line In and Aux 1 Send

This control adjusts the back panel RCA and front

panel 35mm Stereo Line In level to the Main Stereo

outputs The RCA and 35mm input jacks are electronically

buffered and then summed together The outer concentric

control labeled "To Aux 1" sums the left and right Stereo

Line inputs to a mono signal and then applies it to the Aux 1

Master group for use with monitors or effects It is "pre-

fader", or independent of the stereo level control

ASHLY MX-508 [4/12] Operating manual mx 508 stereo microphone line mixer

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