EFX
EFX
CUE
MON
MON
EFX
MON
STEREO
AMP 1
AMP 2

Stereo Channel Input Details

Channels 9/10 & 11/12

Phantom Power

Mono Channel Input Details

Channels 1-8

Phantom +24V
to CUE Switch (PFL)
12563 250500 1k 2k 4k 8k 16k
12563 250500 1k 2k 4k 8k 16k
to Mon Bus
Monitor Effect Send
to Efx Bus
B
A
L
Left
Left Main
Right
Left
Right
Mon
Right Main
Mon Master Efx
Master Efx Send
Efx to Monitor
Efx
NC
Monitor
Pre EQ Out R
Pre EQ Out L
L / Main
R / Mon
EQ / AMP ASSIGN
SWITCH
EFFECTS
SelMod
HP Jack
Mon Bus
Left Bus
Right Bus
400 Watt
L / Main
400 Watt
R / Mon
L / Main R / Mon
L / Main Post EQ Out
R / Mon Post EQ Out
Efx Send
9 Band EQ
9 Band EQ
LED Bar Display
Pan Pot
-10db Gain Pot Ch. Fader
Low / Mid / High
Low / High
Low / High
Block Diagram for AP312
DESIGNED & MANUFACTURED BY YORKVILLE SOUND
Amp A Input
Amp B Input
2 x 1/4" & Speakon®
S
P
E
A
K
E
R
O
U
T
P
U
T
S

+1

-1

2 x 1/4" & Speakon®
+1
-1
Pre-Fade Listen
LED
80 12k2.5k
80 12k
80 12k
P
R
E
E
Q
O
U
T
P
O
S
T
E
Q
O
U
T
A
M
P
I
N
9/10 PFL 11/12 PFL
ap312blk.pdf June /98 Version 1.0