Ashly MX-508 Manuale operativo - Pagina 4

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Ashly MX-508 Manuale operativo
Operating Manual -MX-508 Stereo Microphone/Line Mixer
0
-30
Input
Level
+22
-20
-60
dB
Ch.1
High EQ
-12
630
Mid EQ
Frequency
-12
Low EQ
-12
Aux1
Aux2
0
Aux 1
Aux 2
Level
Pan
0
Level
Pan
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 controls adjust the overall gain of the output stages for the Aux 1 and Aux 2
outputs.
4.8 Aux Master Returns With Pan
These 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 Tape/CD Input and Send
This stereo level control adjusts the Tape/CD input to the Main Stereo outputs. The
outer concentric control labeled "To Aux 1" sums the left and right Tape/CD inputs
to a mono signal and 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.
4

4. CONTROLS

-40
-
4.1 Input Level (Gain)
This control sets the operating level of the Microphone preamp and
-50
Line Input. Best signal to noise ratio is obtained with higher gain settings. It
-24
is therefore desirable to set the Gain control as high as possible while still
M
leaving enough headroom (usually 20dB) to prevent distortion.
L
Clip
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.
+12
1.2K
4.3 Channel Clip Indicator
2.5K
3
This peak sensitive indicator monitors all level critical points in the
input channel and illuminates if any of them reach levels 3 dB below clip-
5K
1
ping.
+12
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
+12
control is sweepable from 140Hz to 8KHz with a bandwidth of approximately
1 octave.
4.5 Aux Sends
10
These are an additional pair of level con-
trols 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:
10
See section on changing factory configurations.
Aux Master
0
10
Mic
Aux 1 Send
Line
p
0
10
Aux 2 Send
0
10
Return 1
Pan
(Stereo)
0
10
Return 2
Pan
0
10
Tape/CD In
To Aux 1