MAINS FUSE
230V—T1.6A
120V—T3A
CAUTION!
Replace fuse with same type and
rating only disconnect mains supply before
opening.
ATTENTION!
Replacer le fusible par le
meme type et le meme calibre Debrancher a la
prise secteur avant D,ouvrir.
WARNING
! No user serviceable parts inside; refer
servicing to qualified personnel only.
AVIS!
Risque de choc. Ne pas ouvrir.
WARNING!
Fire & Shock Hazard: Do not expose
this unit to rain or moisture. This Apparatus Must Be
Earthed. Do not open.
OUTPUT
EMULATED
OUTPUT
Pin 1—OV
Pin 2—High
Pin 3—Low
Refer to manual
for details
Internal
Extension
Manufactured in Great Britain by:
Marshall Amplification plc, Bletchley,
Milton Keynes, England.
30 watts RMS into 8/16
Ω
.
16
Ω
extension speaker
16
Ω
internal speaker
(Refer to manual for details)
MAINS INPUT
230V ~50 Hz
160 Watts
BOOST
VOLUME
STANDBY
0
1
POWER
0
1
FOOT
SWITCH
TONE
BASS
MIDDLE
TREBLE
SEND
RETURN
REVERB
VOLUME
LOOP
MASTER
VOLUME
INPUT
0
2
8
6
4
10
0
2
8
6
4
10
0
2
8
6
4
10
0
2
8
6
4
10
0
2
8
6
4
10
0
2
8
6
4
10
PUSH
CHANNEL
RED
GREEN
0
2
8
6
4
10
0
2
8
6
4
10
GAIN
NORMAL
30
30
V
A
L V
E
A M P LI
FIC
AT
IO
N
JTM 30
Front Panel
JTM 30
Rear Panel
JTM 30
XLR Out diagram
✪
1
2
4
6
5
7
9
10
11
12
13
14
15
16
8
3
4
5
1
2
3
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
A
B
C
XLR Channel Input On Mixer
(Note: Line Level-Approx OdBV)
2 Core Screened Balanced Mic Lead
Unbalanced XLR to Jack Screened Lead
Unbalanced XLR to Jack Screened Lead
Jack Plug
Line Level Jack Input On Mixer Etc.
Jack Plug
NC
NC
Low Level Jack Input On Mixer (ie
Mic Input)
