Crest Audio X-RACK XR-20 -, Schematic Diagrams, Page: 3 / 20

Group
Out
Aux Insert
1
2
3
4
Tape
(Line)
In
Alt
Out
Monitor
Out
Press
For
Mic Level
Aux Inserts @–2dBu:
Tip = Send
Ring = Return
Sleeve = Ground
Main
Insert
Aux Out -XLR
1
3
5
1
3
5
Aux Outputs @+4dBu:
Ground Comp
Pin 2 = Driven
Pin 3 = GC Sense
Pin 1 = Ground Tip = Driven
Ring = GC Sense
Sleeve = Ground
R
L
R
L
Group
Insert
SOLO
LINK
IN
Main Out
2
4
6
2
4
6
1
3
5
2
4
6
R
L
R
L
R
L
R
L
Main Outputs:
Bal Line @ +4dBu
or
Bal Mic @ –25dBu
Main Inserts:
Tip = Send
Ring = Return
Sleeve = Ground
OUT
Use 5-Pin DIN cable to
interconnect two Consoles
Group Inserts @–2dBu:
Tip = Send
Ring = Return
Sleeve = Ground
Outputs:
RCA= Unbal @ –10dBV
TRS= Ground Comp @ +4dBu
Inputs:
RCA= Unbal @ –10dBV
TRS= Bal @ +4dBu
Aux Out -TRS
T= OUT +
R= G COMP
S= GND
T= IN +
R= IN –
S= GND
1 2
3
1= GND
2= OUT +
3= OUT –
2 1
3
1= GND
2= IN +
3= IN –
XLR Female
XLR Male
1/4” TRS Output
1/4” TRS Input
Line Input @+4dBu
Bus In @+4dBu
Tape In @+4dBu
Direct Out
Aux Out
Group Out
Alt Out
Monitor Out
Main Out @+4dBu
Main Out @–25dBu
Aux Out @+4dBu
Mic In @–40dBu
Bus In @+4dBu
T= Send
R= Return
S= GND
1/4” TRS Insert
Chan Insert @+4dBu
Aux Insert @–2dBu
Group Insert @–2dBu
Main Inserts @–2dBu
All@
+4dBu
T= OUT
S= GND
RCA Jack
T= IN
S= GND
Alt Out
Monitor Out
All@
–10dBV
Tape In
Mono
Left
Right
ON
P
O
W
E
R
AC IN
100-240V
50 / 60 Hz
80W
X-RACK
RACK-MOUNT MIXER
NO USER SERVICABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED SERVICE PERSONNEL
AVIS :
RISQUE DE CHOC ÉLECTRIQUE—NE PAS OUVRIR
ATTENTION!
POUR ÉVITER LE RISQUE D'INCENDIE
OU DE CHOC ÉLECTRIQUE, NE PLACEZ PAS CET APPAREIL
SOUS LA PLUIE OU Á L'HUMIDITÉ
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING:
TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE
MOUNT IN RACK ONLY
INSTALLER SUR SUPPORT DE MONTAGE SEULEMENT
N484
Professional Audio Products
Designed and Built in the USA
Crest Audio Inc.
Paramus, NJ 07652 USA
www.crestaudio.com
UL
C US
®
LISTED
COMMERCIAL
AUDIO
SYSTEM
25E9
OPTIONS FITTED (
✘
):
DEFAULT CHANNEL SETTINGS:
Direct-Out (D-O) Is POST-FADER
Aux Sends Are POST-FADER
D-O Is PRE-FADER (POST-EQ)
PRE-INSERT PRE-EQ
When “PRE” Button Is Pressed,
Aux Sends Switch To:
02
XR-20 XR-24
When “PRE” Button Is Pressed,
Auxes Switch To PRE-FADER (POST-EQ)
G1
G2
+48V
On
Direct
Out
Chan Insert
1
Mic In
L
R
Bal Line In
+48V
On
Direct
Out
Chan Insert
2
Mic In
+48V
On
Direct
Out
Chan Insert
3
Mic In
+48V
On
Direct
Out
Chan Insert
4
Mic In
+48V
On
Direct
Out
Chan Insert
5
Mic In
+48V
On
Direct
Out
Chan Insert
6
Mic In
+48V
On
Direct
Out
Chan Insert
7
Mic In
+48V
On
Direct
Out
Chan Insert
8
Mic In
+48V
On
Direct
Out
Chan Insert
9
Mic In
+48V
On
Direct
Out
Chan Insert
10
Mic In
+48V
On
Direct
Out
Chan Insert
11
Mic In
+48V
On
Direct
Out
Chan Insert
12
Mic In
1 2 3 4 5 6 7 8 9 10 11 12
+48V
On
L
R
S1
L
R
S2
+48V
On
L
R
S3
+48V
On
L
R
S4
+48V
On
Bus In
L
R
Mono
Bus In
G3
G4
Line
In
Line
In
Line
In
Line
In
Mic In
L
R
Mic In
L
R
Mic In
L
R
Mic In
+4dBu
Bus Inputs:
Bal In @ +4dBu
Bal Line In Bal Line In Bal Line In Bal Line In Bal Line In Bal Line In Bal Line In Bal Line In Bal Line In Bal Line In Bal Line In
Bal Line In Bal Line In Bal Line In Bal Line In
XR 20