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Schematic Set For XR-20 and XR-24 Rack-Mount Mixers
XR-20 12 Mono Inputs · 4 Stereo Inputs XR-24 8 Mono Inputs · 8 Stereo Inputs
LINE INPUT
( MIC PAD )
LINE INPUT
( MIC PAD )
LINE INPUT
( MIC PAD )
LINE INPUT
( MIC PAD )
LINE INPUT
( MIC PAD )
LINE INPUT
( MIC PAD )
LINE INPUT
( MIC PAD )
LINE INPUT
( MIC PAD )
LINE INPUT
( MIC PAD )
STR LINE IN
( MIC PAD )
STR LINE IN
( MIC PAD )
STR LINE IN
( MIC PAD )
STR LINE IN P
( MIC PAD )
12V
20
30 GAIN 40 50
20
30 GAIN 40 50
20
30 GAIN 40 50
20
30 GAIN 40 50
20
30 GAIN 40 50
20
30 GAIN 40 50
20
30 GAIN 40 50
20
30 GAIN 40 50
20
30 GAIN 40 50
20
30 GAIN 40 50
20
30 GAIN 40 50
20
30 GAIN 40 50
30 20
GAIN
40 50 20
30
GAIN
40 50 20
30
GAIN
40 50 20
30
GAIN
40 50
H O N E S
4 5 6 3 2 1 0 10 SOLO OFF FROM MONITOR TAPE IN
ADD MONO TO PHONES & ALT OUT
LAMP
7 8 9
9 6 3 0 3 6 9 12 15 18 21 24
10
70 LO CUT
10
70 LO CUT
10
70 LO CUT
10
70 LO CUT
10
70 LO CUT
10
70 LO CUT
10
70 LO CUT
10
70 LO CUT
10
70 LO CUT
10
70 LO CUT
10
70 LO CUT
10
70 LO CUT
15
60 SUM INPUTS
15
60 SUM INPUTS
15
60 SUM INPUTS
15
60 SUM INPUTS
8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K 8
0
+ HF 8 15 3K 5K 8K
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
15 2K 1K 600 400 8 15 0
L
SOLO
R
PWR
+
HM
8
+
HM
8
+
HM
8
+
HM
8
+
HM
8
+
HM
8
+
HM
8
+
HM
8
+
HM
8
+
HM
8
+
HM
8
+
HM
8
+
HM
8
+
HM
8
+
HM
8
+
HM
8 3 2 1
15 500
15 500
15 500
15 500
15 500
15 500
15 500
15 500
15 500
15 500
15 500
15 500
15 500
15 500
15 500
15 500
10 AUX 4 5 6 TAPE 15 IN 0 OUT 7 + 5 20 8 9 40 0 10 · 10
TO A1- 2 TO L - R
300
1K
300
1K
300
1K
300
1K
300
1K
300
1K
300
1K
300
1K
300
1K
300
1K
300
1K
300
1K
300
1K
300
1K
300
1K
300
AFL 1- 2
1K 15
10
100 8 15 8 15 0 0
2K +
100
2K 0 +
100
2K 0 +
100
2K 0 +
100
2K 0 +
100
2K 0 +
100
2K 0 +
100
2K 0 +
100
2K 0 +
100
2K 0 +
100
2K 0 +
100
2K 0 +
100
2K 0 +
100
2K 0 +
100
2K 0 +
100
2K 0 +
LM
8 8
LM
8 8
LM
8 8
LM
8 8
LM
8 8
LM
8 8
LM
8 8
LM
8 8
LM
8 8
LM
8 8
LM
8 8
LM
8 8
LM
8 8
LM
8 8
LM
8 8
LM
8
20 40
AUX 10 AUX 15 0 OUT 0 OUT + + 5 5 20 40
·
10 AFL A3
·
10 AFL A4
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15
15 8 15 0
15 + LF 8 15 15 20 40 10
AUX 10 AUX 15 0 OUT 0 OUT + + 5 5 20 40
·
10 AFL A5
·
10 AFL A6
EQ ON
1
EQ ON
2
EQ ON
3
EQ ON
4
EQ ON
5
EQ ON
6
EQ ON
7
EQ ON
8
EQ ON
9
EQ ON 10
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
EQ ON 11
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
EQ ON 12
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
EQ ON S1
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
EQ ON S2
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
EQ ON S3
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
EQ ON S4
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
AUX SENDS
AUX 1- 2 PRE 10 LEV 0 + 20 3 30 40 · 6
GROUP ASSIGN TO MAINS
M L
G1 G2 G3 G4
R
=
PAN
=
PAN
=
PAN
=
PAN
=
PAN
=
PAN
=
PAN
=
PAN
=
PAN
=
PAN
=
PAN
=
PAN
=
PAN
=
PAN
=
PAN
=
PAN
XR
10 5
20
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
1
2 AUX 3 - 4 PRE 10
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
20 30 40 20 30 40
0 3 + 3
0
5
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6 0 5 + 3
· 10
6 0 4 + 3 6
10
·
10
·
10
·
10
·
10
·
10
·
10
·
10
·
10
·
10
·
10
·
10
·
10
·
10
·
10
·
10
·
10
20 0 5 + 3 30
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
20 30 40 20 30 40
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
·
10
6 0 6 + 3 6
GROUP MASTERS
G1 G2 PK SIG G3 G4
·
=
·
=
·
=
·
=
·
=
·
=
·
=
·
=
·
=
·
=
·
=
·
=
·
=
·
=
·
=
·
=
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AUX 5 - 6 PRE
AFL
PAN
PAN
PAN
PAN
PAN
PAN
PAN
PAN
PAN
PAN
PAN
PAN
BAL
BAL
BAL
BAL
4 5 3 2 1
SOURCE IS 6 4 5 PRE 7 FADER 3
6 7 8 9
8 9
2 1
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
L ODD
R EVEN
0 10 MONITOR
0 10 ALT OUT (L-R)
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
SUM MONO SOLO OFF
10
MUTE
5
MUTE
5
MUTE
5
MUTE
5
MUTE
5
MUTE
5
MUTE
5
MUTE
5
MUTE
5
MUTE
5
MUTE
5
MUTE
5
MUTE
5
MUTE
5
MUTE
5
MUTE
5
5
SOURCE SELECT
( ADD)
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
10
0
11
0
12
0
S1
0
S2
0
S3
0
S4
0
TAPE IN
0
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
BUS ASSIGN
5
A1- 2
5
MONO
MONO
MONO
MONO
MONO
MONO
MONO
MONO
MONO
MONO
MONO
MONO
MONO
MONO
MONO
MONO
MONO
10
L- R L- R
10
L- R
10
L- R
10
L- R
10
L- R
10
L- R
10
L- R
10
L- R
10
L- R
10
L- R
10
L- R
10
L- R
10
L- R
10
L- R
10
L- R
10
L- R
10
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G1- 2
15
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
G3 - 4
20
30
PK SIG PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
30
PK SIG
PFL
PFL
PFL
PFL
PFL
PFL
PFL
PFL
PFL
PFL
PFL
PFL
PFL
PFL
PFL
PFL
AFL
MONO
LEFT
RIGHT
Bal In @ +4dBu
Bus Inputs:
+48V On
+48V On
+48V On
+48V On
+48V On
+48V On
+48V On
+48V On
+48V On
+48V On
+48V On
+48V On
+48V On
+48V On
+48V On
+48V On
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 L
20 L L R L R L R
Bus In
R
Mono
Mic In
Mic In
Mic In
Mic In
12
R
Mic In
11
Mic In
10
Mic In
9
Mic In
8
Mic In
7
Mic In
6
Mic In
5
Mic In
4
Mic In
3
Mic In
2
Mic In
1
Mic In
G3
G1
Bal Line In
Bal Line In
Bal Line In
Bal Line In
Chan Insert
Chan Insert
Chan Insert
Chan Insert
Chan Insert
Chan Insert
Chan Insert
Chan Insert
Chan Insert
Chan Insert
Chan Insert
Chan Insert
+4dBu
Bus In
L R
L R
L R
L R
G4
G2
S4
Line In
S3
Line In
S2
Line In
S1
Line In
12
Direct Out
11
Direct Out
10
Direct Out
9
Direct Out
8
Direct Out
7
Direct Out
6
Direct Out
5
Direct Out
4
Direct Out
3
Direct Out
2
Direct Out
1
Direct Out
2 3
1
1= GND 2= IN + 3= IN
Mic In @40dBu Bus In @+4dBu
Main Out Mono
Main Insert
Monitor Out
A lt O ut
Tape (L i ne) In
Group Out
Group Insert
2
Aux Out -XLR
1
Aux Out -TRS
Aux Insert
XLR Female
1 3 2 1= GND 2= OUT + 3= OUT
2
1
2
1
Main Out @+4dBu Main Out @25dBu Aux Out @+4dBu XLR Male All@ +4dBu
L R
Left
L R
L R
1
4 3
T= OUT + R= G COMP S= GND
Direct Out Aux Out Group Out Alt Out Monitor Out 1/4" TRS Output
2
4
3
4
3
T= IN + R= IN S= GND
Line Input @+4dBu Bus In @+4dBu Tape In @+4dBu
L
Right
L
L
3
6 5
1/4" TRS Input
T= Send R= Return S= GND
6
5
6
5
Chan Insert @+4dBu Aux Insert @2dBu Group Insert @2dBu Main Inserts @2dBu 1/4" TRS Insert Alt Out Monitor Out Tape In RCA Jack
DEFAULT CHANNEL SETTINGS:
Direct-Out (D - O) Is POST-FADER Aux Sends Are POST-FADER When "PRE" Button Is Pressed, Auxes Switch To PRE-FADER (POST-EQ)
R
Press For Mic Level
R
R
4
T= OUT S= GND T= IN S= GND
All@ 10dBV
Main Outputs:
Bal Line @ +4dBu or Bal Mic @ 25dBu
Main Inserts:
Tip = Send Ring = Return Sleeve = Ground
Outputs: RCA= Unbal @ 10dBV
TRS= Ground Comp @ +4dBu Inputs: RCA= Unbal @ 10dBV TRS= Bal @ +4dBu
Group Inserts @ 2dBu:
Tip = Send Ring = Return Sleeve = Ground
Pin 2 = Driven Pin 3 = GC Sense Pin 1 = Ground
Aux Outputs @+ 4dBu:
Ground Comp
Tip = Driven Ring = GC Sense Sleeve = Ground
Aux Inserts @ 2dBu:
Tip = Send Ring = Return Sleeve = Ground
Use 5-Pin DIN cable to interconnect two Consoles
OPTIONS FITTED ( $ ):
D - O Is PRE-FADER (POST-EQ) When "PRE" Button Is Pressed, Aux Sends Switch To: PRE- INSERT PRE- EQ
SOLO LINK IN OUT
XR-20
XR-24
X-RA CK
Professional Audio Products
Designed and Built in the USA
ON
P O W E R
RACK-MOUNT MIXER
Crest Audio Inc. Paramus, NJ 07652 USA www.crestaudio.com
02
CAUTION
RISK OF ELECTRIC SHOCK DO NOT OPEN
ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE
AVIS : RISQUE DE CHOC ÉLECTRIQUE--NE PAS OUVRIR WARNING: TO REDUCE THE RISK OF FIRE OR
AC IN 100 - 240V 50 / 60 Hz 80W
N484
ATTENTION! POUR ÉVITER LE RISQUE D'INCENDIE
OU DE CHOC ÉLECTRIQUE, NE PLACEZ PAS CET APPAREIL SOUS LA PLUIE OU Á L'HUMIDITÉ
MOUNT IN RACK ONLY INSTALLER SUR SUPPORT DE MONTAGE SEULEMENT NO USER SERVICABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
C
UL
®
US
LISTED
COMMERCIAL AUDIO SYSTEM 25E9
X-RACK MONO INPUT MODULE
12 OR 8 MONO INPUTS AVAILABLE
+48V ON +48V TO PEAK CIRCUIT LEVEL FREQ LEVEL FREQ LEVEL LEVEL MUTE MONO L-R G1-2 G3-4 PFL SOLO LEFT SOLO RIGHT
MAIN RIBBON CABLE 34 WAY
MONO LEFT
GROUP MIX AMP
X-RACK GROUPS (1 OF 4 SHOWN)
PRE FADER
INSERT SEND / RTN
RIGHT POST FADER GROUP LED PEAK R (AFL)
AFL
BAL MIC IN LINE
GAIN 12 - 70 dB
HPF 70Hz -18dB/Oct
SOLO DC
GROUP FADER
TO GROUP MIX-AMP
GROUP BUS IN
PAN EQ ON HPF BAL LINE IN INPUT PREAMP 100MM SOLO TRIGGER YES PRE SOURCE MUTE ? NO PRE FADER PRE-SOURCE BUFFER A3-4 PRE A1-2 PRE
LF 80 HZ LOW MID 80 - 2 KHZ HI MID 400 - 8 KHZ HF 12 KHZ
GROUP-TO-MAIN ASSIGN SWITCHES
ODD GROUPS FEED LEFT SOLO, EVENS FEED RIGHT SOLO SOLO LEFT
+10 GROUP OUT
CHAN FADER
FADER AMP
60MM
FOUR BAND EQ
27dB PAD
+10
BUS ASSIGN SWITCHES
GC
SIG SOLO RIGHT G
INSERT SEND / RTN
INPUT SIGNAL LED PEAK R (PFL) DIRECT OUT SOURCE
SOLO DC PAN 1-2 LEVEL 1-2 A1 A2
X-RACK AUX BUSES 1-2 (STEREO PAIR)
AUX MIX AMPS AUX 1 INSERT SEND / RTN AUX 2 AUX 1-2 MASTER
POST FADER DIRECT OUT
SIG
G POST FADER
PRE EQ
LEV 3
A3
AFL
GC
PRE FADER REAR PANEL
PRE FADER PRE INSERT
LEV 4
A4
SOLO LEFT +10 AUX 1 OUT
PRE-SOURCE SELECT
A5-6 PRE
LEV 5
A5 SOLO RIGHT
GC GC
+10
AUX 2 OUT
LEV 6
A6 SOLO DC
AUX SENDS 1 THRU 6
X-RACK STEREO INPUT MODULE
4 OR 8 STEREO INPUTS AVAILABLE
+48V ON +48V PRE FADER BAL MIC IN GAIN 15 - 65 dB LEVEL FREQ LEVEL FREQ LEVEL LEVEL TO PEAK CIRCUIT PFL SOLO LEFT SOLO RIGHT SOLO LEFT
AUX MIX AMP
X-RACK AUX BUSES 3 THRU 6 (1 OF 4 SHOWN)
INSERT SEND / RTN
AFL
AUX MASTER +10
LINE
MONO
BAL
MUTE
SOLO RIGHT SOLO DC SOLO DC
AUX OUT
EQ ON
GC
MONO CHAN FADER FADER AMPS LEFT +10 POST FADER +10 L-R G1-2 G3-4
LEFT
BAL LINE IN
LF 80 HZ
LOW MID 80 - 2 KHZ
HI MID 400 - 8 KHZ
HF 12 KHZ
FOUR BAND EQ - LEFT
27dB PAD
PRE EQ
LF 80 HZ LOW MID 80 - 2 KHZ HI MID 400 - 8 KHZ HF 12 KHZ
BUS ASSIGN SWITCHES
LEFT MIX AMP
X-RACK MAIN OUT LEFT-RIGHT
L-PRE FADER
L-INSERT SEND / RTN
100MM
RIGHT A1-2 PRE LEFT RIGHT PAN 1-2 LEVEL 1-2 L/R SIGNAL LED PEAK A3-4 PRE L&R MIXED LEFT LEV 3 A3 SIG LEV 4 A4 RIGHT MIX AMP G R LEFT FADER L-POST FADER +10 MIC LEVEL LEFT BAL OUT
BAL MIC IN
FOUR BAND EQ - RIGHT
A1 A2
RIGHT
BAL LINE IN
YES INPUT SIGNAL LED SOLO TRIGGER PRE-AMP OUT L&R LEFT SIG PRE SOURCE MUTE ? PRE FADER PRE EQ POST FADER L&R PRE FADER L&R PRE FADER RIGHT PRE EQ PRE-SOURCE SELECT
30dB PAD
27dB PAD
INPUT PREAMP
100MM R-INSERT SEND / RTN
PEAK R (PFL)
NO A5-6 PRE
REAR PANEL
G
LEV 5 L&R MIXED
A5
PRE-SOURCE BUFFERS
RIGHT BUS IN LEFT BUS IN
R-PRE FADER
RIGHT FADER R-POST FADER +10
MIC LEVEL RIGHT BAL OUT
LEV 6
A6
RIGHT
30dB PAD
AUX SENDS 1 THRU 6
100MM
MONO MIX AMP
X-RACK MAIN OUT MONO
M-PRE FADER
M-INSERT SEND / RTN
P ROTARY POT FOR MODELS: XR-20 : 12 MONO / 4 STEREO XR-24: 8 MONO / 8 STEREO
GC
GAIN
FADER
PAD
BICOLOR GROUND COMP BALANCED DRIVER DRIVER LED LED
AMP
PANEL SWITCH
FITTED SOLDER LINK BLOB USER OPTIONS
MONO SIGNAL LED
MONO FADER M-POST FADER +10
MIC LEVEL MONO BAL OUT
FET SWITCH
ELECT SWITCH
1/4" TRS JACK
RCA JACK
XLR JACK
OBE FRANK
AFL
MONO BUS IN
PEAK R (AFL)
30dB PAD
ALL SWITCHES SHOWN IN THE UP (DESELECTED) POSITION AMP(LIFIER) GAIN SHOWN IN DB WHEN NEEDED WHEN SHOWN: 1/4" TRS SWITCHING JACKS HAVE NORMALLY CLOSED CONTACTS USER OPTIONS IMPLEMENTED WITH REMOVABLE LINKS AND SOLDER BLOBS DEFAULT OPTION POSITION SHOWN UNDERLINED
STANDARD OUTPUT LEVEL IS +4 dBu AT 0 VU PIN 2 HOT ON ALL BALANCED INPUTS AND OUTPUTS (XLR JACKS) FOR UNBALANCED OPERATION: TIE PIN 3 TO PIN 1, USE PIN 2 FOR OUTPUT, PIN 1 FOR GND "Ø" SYMBOL INDICATES POLARITY REVERSE
SIG SOLO LEFT
G
100MM
LEGENDS
SOLO RIGHT SOLO DC
SOLO-LINK CONNECTORS. USE 5-PIN DIN CABLE FROM SLAVE CONSOLE OUT TO MASTER CONSOLE IN
Use 5-Pin DIN cable to interconnect two Consoles
SOLO-LINK:
TIES SOLO AUDIO AND CONTROL BETWEEN CONSOLES. SLAVE SOLOS SHOW UP ON MASTER CONSOLE. -10dBV TAPE-IN L TAPE IN LEFT BNC CONNECTOR FOR 12VOLT LAMP ( ON FRONT PANEL ) +4dBu
TAPE-IN LEVEL
TAPE TO AUX 1-2
AUX-1 BUS LEFT BUS AUX-2 BUS RIGHT BUS
SOLO LEFT SOLO RIGHT
SOLO MIX AMPS SOLO FEED L-R TO: PHONES, MONITOR & METERS
LED METERS
LEFT OUT RIGHT OUT
FOLLOW SOLO, NORMALLY SHOW L / R OUT
SOLO LINK IN OUT
TAPE TO L/R TO: PHONES & MONITOR ADD MONO (RECESSED) LEFT OUT TAPE-IN L RIGHT OUT TAPE-IN R MONO OUT MONO PRE
TO ALT-OUT
SOLO DC
SOLO CONTROL LOGIC
SOLO CTRL
+9 6 3 0 -3 6 9 12 15 18 21 24
LEFT PRE-FADER ADD MONO RIGHT PRE-FADER
ALT LEVEL L R
GC
ALT OUT
POLY FUSES
SOLO FEED L-R SOLO CTRL SOLO ON TAPE IN FROM MONITOR SOLO OFF HEADPHONE LEVEL PWR ON
X-RACK REAR PANEL: AC INLET & SWITCH
SHORT-CIRCUIT PROTECTION
-10dBV TAPE IN RIGHT +4dBu DC OUTPUT TO POWER DISTRIBUTION RIBBONS
TAPE-IN R
GC
ON +17V
UNIVERSAL INPUT-VOLTAGE SWITCHING POWER SUPPLY
POWER INTERNALLY FUSED AND SHORT-CIRCUIT PROTECTED AC IN 100-240V 50 / 60 Hz 80W
-17V +48V
ANALOG GROUND
AUDIO SOURCES FOR MONITOR - ALL PRE-FADER
GRP3-4 GRP1-2 MON-L MON-R L R MONITOR SOURCE SELECT ( SELECTED SOURCES ADD TOGETHER ) L R SOLO FEED L-R SOLO FEED L-R SOLO CTRL L-R MONO AUX1-2 TAPE IN SOLO OFF
MONITOR LEVEL
SUM MONO
TO PHONES MON-L MON-R
GC
MONITOR OUT
+12V
AUX DC GROUND
HEADPHONE AMPS
GC
SAFETY GROUND TO CHASSIS
CHASSIS GROUND
SOLO CTRL
X-RACK BLK DIA-REV1.1 - 5/08/01
47Uf50V Elect