Marshall Amplification JVM 4 Series User Manual

Warning: before going any further, make sure
that your amp is compatible with your mains
electricity supply. If you have any doubt, please
seek help from a qualied technician – your
Marshall dealer can help you with this.
MAINS INPUT & FUSE
The specic mains input voltage rating that
your amp has been manufactured for is
indicated on the rear panel of the amp. Your
amp is provided with a detachable mains
(power) lead, which should be connected to the
mains input socket on the rear panel of the amp.
The correct value and type of mains fuse is
specied on the rear panel of the amp. Never
attempt to bypass the fuse or t one of the
incorrect value or type.
Warning: your amp must be switched off and
disconnected from the mains electricity supply
before you check and/or change any fuse.
IMPORTANT SET UP INFORMATION
Follow the start-up procedures below to safely
switch on your amplier. The procedure differs
depending on whether you plan to run your
amplier into speaker cabinets or for silent
recording.
Warning: failure to comply with the following
points may damage your amp.
Using your amp with speaker cabs
1. Make sure the power handling rating of
the speaker cabinet(s) is/are equal to or
higher than the output power of the amp.
Connect the speaker cabinet(s) to the
correct impedance speaker output(s) on
the rear panel.
Note: only use speaker (unscreened)
cables to connect the cabinets.
2. Ensure both the power switch and standby
switch are switched off and set all master
volumes on the front panel to zero.
3. Connect the footswitch cable to the
footswitch and then connect to the
footswitch socket on the rear panel of the
amp.
4. Connect the supplied mains (power) lead
into the mains input on the rear panel rst
and then into an electrical outlet.
5. Plug your guitar into the input jack socket
on the front panel.
6. Turn the front panel power switch on. The
switch will glow red.
7. After waiting a couple of minutes, turn the
standby switch on.
Warning: before you turn the standby switch
on, a (speaker) load must be attached to the
unit. Never use your amp without a (speaker)
load attached when the standby switch is on.
Using your amp for silent recording
When the standby switch is off the amp can
be used without a load for silent recording.
This mode allows you to take a signal from the
preamp section without engaging the output
power section.
1. Ensure both the power switch and standby
switch are switched off.
2. Connect the footswitch cable to the
footswitch and then connect to the
footswitch socket on the rear panel of the
amp.
3. Connect the supplied mains (power) lead
into the mains input on the rear panel rst
and then into an electrical outlet.
4. Plug your guitar into the input jack socket
on the front panel.
5. Turn the front panel power switch on. The
switch will glow red.
6. A signal for recording is available through
the series/parallel FX loop send output jack
and/or the pre-amp out/send output jack.
Warning: always ensure a load is connected
before you switch the standby switch on (to
leave silent recording mode).
TRANSPORTING YOUR EQUIPMENT
Please ensure that your amp is switched
off, unplugged from the mains electricity
supply and all removable cables have been
disconnected from your equipment before
attempting to move it.
Only move the amp on its own; do not attempt
to move it while it is stacked on top of a cabinet
or other equipment.
ENGLISH
1.0
WARNING! SAFETY INSTRUCTIONS
PLEASE READ THIS MANUAL CAREFULLY BEFORE PLUGGING IN. FOLLOW ALL INSTRUCTIONS AND HEED ALL WARNINGS.

Marshall Amplification JVM 4 Series Specifications

General

Brand	Marshall Amplification
Model	JVM 4 Series
Category	Amplifier
Language	English