23
Microphone / Aux
Channel 1
Channel 2
Notch
Chorus
Master Section
Anti-Feedback
Master
Ch2
R
L
Acoustic Instrument
Ch1
Phase
AS50R
Acoustic
Soloist
AS50R
O
I
Reverb
/ Loop
Reverb
0
Volume
Input
10
Bass
-
Treble
Aux
Microphone
Input
+
-
+
0
Volume
10
-
Bass
+
-
Treble
+
0
Speed
10
0
Depth
10
Ch1
Balance
Ch2
0
Level
10
80Hz
Frequency
1kHz
0
Volume
Power
10
Return
Send
Effects Loop
!
Footswitch
D.I. Out
Line Out
Mains Input
120V ~ 60Hz
130 Watts
WARNING!:
SHOCK HAZARD. DO NOT OPEN. TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS
EQUIPMENT TO RAIN OR MOISTURE. THIS APPARATUS MUST BE EARTHED.
AVIS!:
RISQUE DE CHOC ELECTRIQUE. NE PAS OUVRIR. POUR EVITER LES RISQUES D’INCENDIE ET DE DECHARGES
ELECTRIQUES, N’EXPOSEZ JAMAIS CET APPAREIL A L’HUMIDITE OU A LA PLUIE. CONNECTER CET APPAREIL A LA TERRE.
CAUTION!:
TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER.
NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
ATTENTION!:
POUR EVITER LES RISQUES DE DECHARGES ELECTRIQUES, NE PAS OUVRIR LE COUVERCLE. CET APPARRIL
NE COMPORTE AUCUNE PIECE SUSCEPTIBLE D’ETRE REPAREE PAR VOS SOINS. FAITES TOUJOURS APPEL A UN TECHNICIEN
QUALIFIE POUR TOUTE REPARATION.
Designed, Engineered and Quality
Controlled by Marshall Amplification plc UK
Made under licence in China
Output 50 Watts RMS 4
Ω
AS50R Front Panel
AS50R Rear Panel
1
2
3
4
5
6
2
3
4
5
6
7
8
9
10
1
22
11
17
16
12
13
14
15
18
19
20
INSTRUMENT
VOL
VOL
LOW
BALANCE
HIGH
LOW
HIGH
REVERB
LEVEL
NOTCH
PHASE
LINE OUT
PA
D.I.
MASTER
CROSSOVER
DRIVER
TWEETER
LIMITER
-1
DEPTH
FOOTSWITCH
FOOTSWITCH
SEND
RETURN
FREQUENCY
CH 2
CH 1
TAPE IN
MIC
AUX
SPEED
CHORUS
AS50R Flow Diagram