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EQ Control Response
AUDIO PRECISION
AMPL(dBr)
vs
10
5
0
Low
-5
-10
-15
-20
-25
-30
-35
-40
20
100
Figure 1 shows the three PGM EQ filter bands and the flat summed response
AUDIO PRECISION
AMPL(dBr)
vs
10
Low +6, Mid 0, Hi +6
5
0
-5
-10
-15
-20
-25
Low Off,
Mid 0,
-30
Hi Off
-35
-40
20
100
Figure 2 shows the interactive operation of the three PGM EQ controls
AUDIO PRECISION
AMPL(dBr)
20
18
16
14
Low +12, High +12
12
10
8
6
4
2
Low 0, High 0
0
-2
-4
-6
-8
Low -12, High -12
-10
-12
-14
-16
-18
-20
20
100
Figure 3 shows the combined response of the Mic tone controls
FREQ(Hz)
Summed Response
Mid
1k
10k
FREQ(Hz)
Low 0,
Mid Off,
Hi 0
1k
10k
vs
FREQ(Hz)
1k
These graphs show curves representing upper and
lower limits for gain response verses fader position.
Contour controls allow smooth, continuous adjust-
ment between the two responses.
High
50k
MODE 1 acts like a regular volume or crossfader.
MODE 2 acts like a stereo pan control, with the
center position as off. With the Contour control set
slow, moving the Crossfader right reduces the left
channel to silence, gradually increasing the right
channel volume at the other extreme. The MODE 2
graph shows the response of the left program channel.
50k
The right channel is a mirror image. Both can also use
the Reverse switches. See the TTM 56 Manual for
illustrations of these combinations of effects, down-
loadable from www.rane.com/ttm56.html.
10k
50k
Slow Center Cut Effect
PERFORMANCE MIXER
Fader Response
Channel and CrossFader MODE 1
travel
0
20
40
60
80
100
Channel and CrossFader MODE 2
travel
0
20
40
60
80
100
Normal Slow Fade
TTM 56
Fast Cut
Fast Center Cut Effect
Data Sheet-3
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