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LS9-16/32 Owner’s Manual
17
Graphic EQ and effects

Chapter 17

Graphic EQ and effects
This chapter explains how to use the built-in graphic EQ and effects, and how
to perform remote control operations via the dedicated protocol to control an
external head amp (Yamaha AD8HR) from the LS9.
The LS9 lets you insert the built-in graphic EQ (subsequently abbreviated as “GEQ”) and effects
into the desired signal route to process the signals.
You can use two types of GEQ; 31 Band GEQ which lets you freely adjust thirty-one bands (fre-
quency regions), and Flex15GEQ which lets you adjust any fifteen of thirty-one bands. You can
also use 48 different effect types.
In order to use a GEQ or effect, you must mount the GEQ or effect in one of the eight virtual racks provided in the screen, and patch the input and output of that rack to the desired signal route. In other words, the operation is just as though you had installed a signal processor or effect device in an actual rack, and used patch cords to connect it. Only GEQ can be mounted in racks 1–4, and either GEQ or effects can be mounted in racks 5–8. [Figure 1]Up to two channels of input and output can be used for each rack. (However if the “31 Band GEQ” is mounted in a rack, there will be only one channel each for input and output.) [Figure 2] shows the signal flow for the virtual racks.

About the virtual rack

RACK5
EFFECT CUE
RACK
METER
16
3
8
To MATRIX INSERT IN
32
MIX OUT
1-16
MATRIX OUT
1-8
STEREO OUT
L,R,MONO(C)
CH
INSERT OUT
1-32
MIX
INSERT OUT
1-16
STEREO
INSERT OUT
L,R,MONO(C)
MATRIX
INSERT OUT
1-8
RACK
IN
PATCH
RACK1 IN
A(L)/B(R)
RACK2 IN
A(L)/B(R)
RACK3 IN
A(L)/B(R)
RACK4 IN
A(L)/B(R)
RACK5 IN
A(L)/B(R)
RACK6 IN
A(L)/B(R)
RACK7 IN
A(L)/B(R)
RACK8 IN
A(L)/B(R)
INSERT
IN
PATCH
RACK1
METER
METER
RACK IN
31BandGEQ
Flex15GEQ
RACK IN A
RACK IN B
RACK OUT
RACK OUT A
RACK OUT B
METER RACK IN
31BandGEQ
RACK OUT
Flex15GEQ
RACK IN A
RACK IN B
RACK OUT A
RACK OUT B
RACK IN L
RACK IN R
METER
METER
RACK OUT L
RACK OUT R
EFFECT
RACK6 (same as RACK5)
RACK7 (same as RACK5)
RACK8 (same as RACK5)
RACK1 OUT
A(L)/B(R)
RACK2 OUT
A(L)/B(R)
RACK3 OUT
A(L)/B(R)
RACK4 OUT
A(L)/B(R)
RACK5 OUT
A(L)/B(R)
RACK6 OUT
A(L)/B(R)
RACK7 OUT
A(L)/B(R)
RACK8 OUT
A(L)/B(R)
CH INSERT IN 1-32
MIX INSERT IN 1-16
STEREO INSERT IN L,R,MONO(C)
MATRIX INSERT IN 1-8
To CH INSERT IN
To MIX INSERT IN
To STEREO INSERT IN
METER
METER
METER
RACK2 (same as RACK1)
RACK3 (same as RACK1)
RACK4 (same as RACK1)
METER
METER
METER
METER
METER
METER
METER
RACK 1RACK 2RACK 3RACK 4RACK 5RACK 6RACK 7RACK 8[Figure 1][Figure 2]Only for GEQGEQ or effects
• In addition to the virtual rack for GEQ and effects, there is also a rack for mounting external head amps (Yamaha AD8HR). For details, refer to “Using an external head amp” (
→
p. 175).HINT