Marshall JVM410H Le manuel du propriétaire

JVM

4 SERIES

USER MANUAL

ENGLISH

CONGRATULATIONS ON

PURCHASING YOUR MARSHALL

JVM AMP.

THE JVM PRODUCES A BROAD SONIC PALETTE, MAKING IT AN INCREDIBLY

VERSATILE TOOL. IT CAN TAKE YOU FROM CLASSIC CLEAN AND

OVERDRIVEN TONES TO HEAVIER GRUNT AND THEN HIGH GAIN. FULLY

PROGRAMMABLE, THE JVM SERIES HAS UNPRECEDENTED TONAL CONTROL,

WITH THREE MODES PER CHANNEL, INDEPENDENT REVERBS, PARALLEL/

SERIES FX LOOP AND STOMPWARE® FOOTSWITCH TECHNOLOGY.

WE HOPE YOU ENJOY YOUR NEW AMP AS MUCH AS WE HAVE ENJOYED

DESIGNING AND BUILDING IT FOR YOU.

THE MARSHALL TEAM

USER MANUAL

Warning! Safety instructions 3

FCC Compliance Statement 4

Overview and specication 5

Front panel functions 6

Rear panel functions 9

MIDI operation 12

Footswitch 13

Factory reset 14

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.

1.1

FCC COMPLIANCE STATEMENT

This device complies with part 15 of the FCC

Rules. Operation is subject to the following two

conditions:

1. This device may not cause harmful

interferance, and

2. This device must accept any interferance

received, including interferance that may

cause undesired operation.

This equipment has been tested and found

to comply with the limits for a Class B digital

device, pursuant to part 15 of the FCC rules.

These limits are designed to provide reasonable

protection against harmful interferance in a

residential installation.

This equipment generates, uses and can radiate

frequency energy and, if not installed and used

in accordance with the instructions, may cause

harmful interferance to radio communications.

However, there is no guarantee that

interference will not occur in a particular

installation. If this equipment does cause

harmful interferance to radio or television

reception, which can be determined by

turning the equipment off and on, the user is

encouraged to try to correct the interference

by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the seperation between the

equipment and the receiver.

• Connect the equipment into an outlet on

a circuit different from that to which the

receiver is connected.

• Consult the dealer or an experienced radio

/ TV technician for help.

CAUTION: Any changes or modications not

expressly approved by the party responsible

for compliance may void the users authority to

operate the equipment.

This device complies with CAN ICES-3(B)/

NMB-3(B).

ENGLISH

4-channel JVM amps boast 3 modes giving you

a total of 12 different sounds to choose from.

The front panel contains dedicated sets of EQ

and gain controls for each of the 4 channels,

master and reverb sections. The master section

is comprised of 2 footswitchable master

volumes, plus master resonance and presence

controls that work universally on all 4 channels.

The reverb section consists of reverb level

controls for each channel.

JVM410C

VALVES

4 x ECC83, 1 x ECC83 (phase splitter) and 4 x

EL34

CHANNELS

4 (Multi): Clean, Crunch, Overdrive 1 and

Overdrive 2

POWER

100W

EQUALISATION

Treble, middle, bass, presence and resonance

EFFECTS

Digital reverb

SPEAKERS

2 x 12”

1 x Celestion Heritage G12H (8Ω, 80W)

1 x Celestion Vintage (8Ω, 70W)

OUTPUTS

5 x 1/4” jack speaker outputs, selectable 16Ω/

8Ω / 4Ω load

Emulated line out (XLR)

MIDI thru

EFFECTS LOOP

2, 1 x series parallel, 1 x series

JVM410H

VALVES

4 x ECC83, 1 x ECC83 (phase splitter) and 4 x

EL34

CHANNELS

4 (Multi): Clean, Crunch, Overdrive 1 and

Overdrive 2

POWER

100W

EQUALISATION

Treble, middle, bass, presence and resonance

EFFECTS

Digital reverb

OUTPUTS

5 x 1/4” jack speaker outputs, selectable 16Ω/

8Ω / 4Ω load

Emulated line out (XLR)

MIDI thru

EFFECTS LOOP

2, 1 x series parallel, 1 x series

ENGLISH

2.0

OVERVIEW AND SPECIFICATION

ENGLISH

3.0

FRONT PANEL FUNCTIONS

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JVM410C

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3.1

FRONT PANEL FUNCTIONS CONTINUED

The front panel is divided into 3 main

secons: channels, reverb and master. Each

of the channels has 3 modes which are

dierenated by the colour of the light in the

buon used to change channel. These are

green, orange or red respecvely.

1. POWER SWITCH

This turns the amp on and off.

2. STANDBY SWITCH

The standby switch is used in conjunction with

the power switch to warm up the amp before

use. Turn power switch on for 2 minutes before

switching standby on.

Set the standby switch to the off position

during breaks in performances.

Note: when the standby switch is off the amp

can be used without a load for silent recording.

See the ‘Using your amp for silent recording’

start-up procedure for more information.

3. FOOTSWITCH/MIDI PROGRAM SWITCH

This switch has a dual function:

1. Pressing it once will enter ‘footswitch

program’ mode. This is indicated by a solid

red light.

2. Pressing it twice will enter ‘MIDI program’

mode. This is indicated by a blinking red light.

See more information on these modes later in

this manual.

4. FX LOOP SWITCH

Engages/disengages the serial/parallel FX loop

for the current channel.

Note: This switch does not affect the power

amp insert / serial loop.

19. INPUT JACK SOCKET

Connect your guitar here using a ¼” jack

instrument cable.

CHANNEL SECTION

Pressing a channel button has two functions:

• When pressing in the same channel it

cycles the gain modes: GREEN (lowest

gain level) > ORANGE > RED (highest gain

level)> GREEN etc. Each mode remembers

its own previous FX, reverb and master

settings.

• Coming from a different channel recalls

the last setting in the new selected

channel.

Note: when you leave and then reselect a

channel, it will automatically recall the last

active mode.

15. CLEAN CHANNEL

Green mode: This is the cleanest of the three

modes. It uses a simple and straightforward

circuit keeping the signal as pure as possible. In

this mode the channel’s volume control is taken

out of circuit. This is the only mode where this

happens.

Orange mode: This mode offers a punchy

sound that’s easy to overdrive.

Red mode: This is mode adds another gain

stage after the tone stack.

16. CRUNCH CHANNEL

This channel has a more typical Marshall

preamp circuit characteristic of ‘gain then tone’.

Green mode: This mode shares the preamp

topology of the classic Marshall JTM45/1959

Plexi™ models (i.e.: gain + gain + tone). This

means the sound and response will be similar

to these vintage ampliers, but with a bit more

gain than is found in the originals.

Orange mode: This mode is reminiscent of the

JCM800 2203 amplier and offers gritty, . The

gain structure is gain + gain + gain + tone.

Red mode: This shares the topology of the

orange mode, but with more gain, giving you

sounds similar to a hot-rodded JCM800.

17. OD1 CHANNEL

Green mode: This is very similar to the sound

found in crunch red mode, allowing you to dial-

in two different crunch sounds.

Orange mode: This adds another gain stage to

the OD1 green mode, resulting in hard rock/

heavy metal tones.

Red mode:Adds more gain to the OD1 orange

for a high gain Marshall sound.

18. OD2 CHANNEL

This channel is similar to the OD1 channel but

with even more gain and the middle control

shifted to being centred around 500hz (instead

of the more typical Marshall value of 650hz).

OD2 provides 3 high gain modes that are ideal

for both lead and modern rhythm metal tones.

REVERB SECTION

The digital reverb is routed in parallel to the

main signal and mixed using a valve. The reverb

does not degrade the direct signal when

engaged and when off it is effectively removed

from the circuit.

10. REVERB SWITCH

Switches the reverb effect on or off for the

current channel.

ENGLISH

Note: the reverb switching has been designed

to avoid abrupt cut offs in the reverb tail

so when changing from channel to channel

or switching the reverb off, its tail naturally

decays.

13. REVERB CONTROL (CLEAN CHANNEL)

Adjusts the level of reverb applied to the clean

channel.

14. REVERB CONTROL (CRUNCH CHANNEL)

Adjusts the level of reverb applied to the

crunch channel.

11. REVERB CONTROL (OD1 CHANNEL)

Adjusts the level of reverb applied to the OD1

channel.

12. REVERB CONTROL (OD2 CHANNEL)

Adjusts the level of reverb applied to the OD2

channel.

MASTER SECTION

The master volume controls set the overall

volume of the amp across all channels. Master 1

and Master 2 can be assigned to any mode and

can be switched back and forth.

3.2

FRONT PANEL FUNCTIONS CONTINUED

5. MASTER 1

Master 1 is used on all channels/modes by default.

6. MASTER 2

To set a channel/mode to use master 2, select

the channel and mode, push the master button

to engage master 2 and then switch out of the

mode. When you re-visit the mode, the amp

will automatically recall which master volume

control you were previously using.

7. MASTER SWITCH

Switch between master 1 and master 2 for

different volume settings on the same channel/

mode. The red LED in the switch indicates

that master 2 is engaged. The light is off when

master 1 is engaged.

Note: presets stored in the footswitch will

recall whether master 1 or master 2 was

selected. However, it will not recall the previous

level of the master volume control.

9. PRESENCE

Adjusts the high frequencies of the power amp.

Increasing high frequencies adds more bite to

your sound.

8. RESONANCE

Adjusts the low frequencies of the power amp.

Increasing low frequencies adds more bottom

end giving you a fatter sound.

Warning: care should be taken to avoid over

exertion of the speaker cones in high resonance

settings.

Note: both the presence and resonance

controls are power amplier controls and

therefore only have effect when playing

through a speaker.

ENGLISH

4.0

REAR PANEL FUNCTIONS

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1. POWER INLET

The supplied mains power lead is connected here.

The mains input voltage rating that your amplier

has been built for is shown on the rear panel.

Warning: before powering on, ensure the

amp is compatible with the mains voltage of

the country that the amp is being used in. If

you have any doubt, please get advice from a

qualied person.

2. MAINS FUSE

Protects the amplier and mains supply in the

event of a fault. The correct value of mains fuse

is specied on the rear panel.

SERIAL/ PARALLEL FX LOOP:

This is a programmable FX loop located after

the pre-amp, right before the reverb and serial

loop circuits. The FX Loop switch engages/

disengages this effects loop.

13. SERIAL / PARALLEL FX LOOP: SEND

Connect your external FX equipment here

using a ¼” jack instrument cable.

12. SERIAL / PARALLEL FX LOOP: RETURN

Return your signal from external FX equipment

here using a ¼” jack instrument cable.

11. SERIAL / PARALLEL FX LOOP: FX LEVEL

Congure the loop for use with either

professional equipment (+4dBu setting) or with

guitar level effects like effects pedals (-10dBV

setting).

10. SERIAL / PARALLEL FX LOOP: MIX

CONTROL

Control the amount of effect that can be dialled

in with the mix control. When mix is set to ‘wet’,

all the signal goes through the external loop,

adding more direct (unprocessed) signal as you

turn it towards dry.

Note: if you do not connect any effect to the

serial/parallel effects loop the mix control can

be used to act like an extra volume control in

any of the channels.

Warning: when mixing the wet and dry

signals the external effects processor’s output

should be congured to remove the direct

(unprocessed) signal. If the amp sounds thin

after connecting an external effect check that

no direct signal is being returned from the

processor’s output.

Note: if the FX loop is on and the mix control

is set to wet without an external processor

connected, the amplier will be muted.

ADVANCED USES OF THE SERIAL/PARALLEL

EFFECTS LOOP

• To have a tuner output muting the amplier,

connect the tuner to the FX send and select

the clean channel. Turn the mix control to

wet and switch the FX loop on. Store this

preset and label it for example as ‘tuner’.

With this conguration it is not possible to

connect any other effect to the loop.

• As the JVM reverb circuitry is connected

after the parallel loop you can create

presets that affect an external preamp,

including reverb and/or selecting a

different master volume.

• To use a different preamplier and

combine it with the JVM channels:

1. Connect the external preamplier output

to the parallel loop return and turn the mix

to wet.

2. Connect the external preamp input with a

splitter to the ampliers input.

POWER AMP INSERT / SERIAL LOOP

This is a passive loop connected right before

the master controls. It is a line level loop so it

is recommended to only use high headroom

devices to avoid signal degradation.

9. PRE-AMP OUT / SEND

Connect your external FX equipment here

using a ¼” jack instrument cable.

8. POWER-AMP IN / RETURN

Return your signal from external FX equipment

here using a ¼” jack instrument cable.

Note: you can plug an external preamp into this

return jack to override the JVM preamp section

and use the power section only. The master

controls and the emulated line out are located

after the serial loop so it is still possible to use

those features when using an external preamp.

Note: to use 2 heads simultaneously, the

suggested procedure is to:

1. Connect the ‘master’ head pre-amp out to

the ‘slave’ head power-amp in.

2. Switch the power-amp insert to active in

the ‘slave’ amplier.

In order to track the master volume settings in

both heads it is suggested to use MIDI control

with both ampliers programmed in the same

way. Connect the MIDI in of one of the amps to

the MIDI thru of the other and the pedalboard

or MIDI equipment to the remaining MIDI in.

4.1

REAR PANEL FUNCTIONS CONTINUED

ENGLISH

7. BYPASS SWITCH

Engage/disengage the power amp insert/serial

loop. This switch cannot be programmed.

6. EMULATED LINE OUT

This output sends signal to external equipment.

The signal is taken pre-master volume,

processed through a 4x12 speaker cabinet

emulator and electronically balanced.

Note: using the line out does not omit the need

for a load to be connected (unless the amp is in

silent recording mode).

5. FOOTSWITCH

Connect the supplied footswitch using any

standard ¼” jack instrument lead.

Note: using any other type of footswitch rather

than the one supplied will have no effect and

will be ignored by the amp.

14. SPEAKER OUTPUTS

1/4” jack speaker outputs. They are labelled

according to the corresponding cabinet setups:

• 1 x 16 Ohm: connect a 16Ω speaker cab..

• 1 x 8 Ohm / 2 x 16 Ohm: connect a single

8Ω guitar cabinet or two 16Ω cabinets.

• 1 x 4 Ohm / 2 x 8 Ohm: connect a single 4Ω

guitar cabinet or two 8Ω guitar cabinets.

Warning: although the amplier has ve

speaker outputs, never attempt to connect

more speakers than rated. The safe

combinations are listed above. Any other

speaker conguration may stress or damage

the amp.

4.2

REAR PANEL FUNCTIONS CONTINUED

ENGLISH

Note: the JVM only accepts incoming data and

it is not able to send any MIDI commands.

4. MIDI IN

Connect any external MIDI equipment to the

MIDI In DIN socket.

3. MIDI THRU

A copy of the signal from the MIDI In connector

is available on the MIDI thru socket to allow

daisy chaining of MIDI equipment.

STORING MIDI PRESETS

Pressing the ‘Footswitch/MIDI program’ switch

twice puts the amp in MIDI waiting mode.

The indicator light will ash until a valid MIDI

program change command is received.

When the MIDI program is changed and the

command is sent, the amp stores the current

status (Channel + FX + Reverb + Master

Settings) in the MIDI program number

received. It is possible to store up to 128

different MIDI presets.

To exit this status without waiting for incoming

MIDI data press the ‘Footswitch/MIDI

program’ switch again.

Note: by default, the amp is congured to listen

to MIDI channel #1 but it can be changed to

listen to any of the 16 MIDI channels as follows:

1. Switch off both the standby switch and

power switch.

2. Press and hold the footswitch/MIDI

program switch and switch the power

switch on.

3. Release the footswitch/MIDI program

switch. The LED will start to ash.

4. Send any MIDI command using your MIDI

pedalboard or any other MIDI equipment.

The amp will detect which channel came

in and congure itself to listen to that

MIDI channel only. From now on any

MIDI preset you had previously stored

will be activated only on the new channel

regardless of what channel you used

before. This allows a fast reconguration

should there be a MIDI conict with any

other outboard equipment.

If you want to exit the MIDI channel selection

without any action press the footswitch/MIDI

program switch while waiting for MIDI data.

5.0

MIDI OPERATION

MIDI IMPLEMENTATION CHART

MANUFACTURER: MARSHALL MODEL: JVM VERSION 1.0 DATE: 02-05-2018

TRANSMITTED RECOGNISED REMARKS

1. BASIC INFORMATION

MIDI CHANNELS N Y (1-16) DEFAULT RECEIVE CHANNEL 1

NOTE NUMBERS N N

PROGRAM CHANGE N Y (0-127) PRESET RECALL

BANK SELECT RESPONSE N

MODES SUPPORTED:

MODE 1: OMNI-ON, POLY N

MODE 2: OMNI-ON, MONO N

MODE 3: OMNI-OFF, POLY N

MODE 4: OMNI-OFF, MONO N

MULTI MODE N

NOTE-ON VELOCITY N N

NOTE-OFF VELOCITY N N

UNIVERSAL SYSTEM EXLUSIVE N N

MANUFACTURER SYSTEM

EXCLUSIVE

N N

2. MIDI TIMING AND SYNCHRONIZATION

MIDI CLOCK N N

ENGLISH

4 channel JVM amps are supplied with a

6-way programmable footswitch which can

be connected to the amp via any standard

guitar cable.

Warning: the supplied footswitch lead is

unscreened and not suitable for guitar.

The footswitch features 7 LEDS marked clean,

crunch, OD1, OD2, master, reverb and FX. The

LEDs for each of the 4 channels are 3-coloured

green, orange and red. These indicate which

channel and mode is selected, alongside the

status of master, reverb and FX loop.

Each of the individual footswitches has 2

modes of operation:

• Switch store mode: Assign any of its 6

switches to instantly recall any front panel

function (channel/mode; reverb on/off;

master volume 1/2 and FX loop on/off).

Note: if a switch is assigned to select a

channel, once it has been activated it can

be used to scroll through the three modes,

just like its respective front panel switch.

• Preset store mode: Each switch can

be programmed to instantly call up a

combination of JVM button options to

form a preset. This allows you to recall

complete channel setups in any order and

combination.

As the switches can be programmed

independently you can program a mixture of

the above.

Note: all the settings are stored within your

footswitch; this means it can be plugged into

any JVM amp and all your footswitch settings

can be instantly recalled.

PROGRAMMING THE FOOTSWITCH

To enter footswitch program mode, press

the footswitch/MIDI program button on

the front panel once. The indicator light will

illuminate. This mode allows you to program the

footswitch.

Note: when the front panel footswitch/MIDI

program switch is off, the footswitch will

execute commands the moment the switch is

pressed down. When the footswitch program

mode is active, you can use the amp as normal

with commands executed on release of the

footswitch.

To store the current amp status/sengs to a

footswitch (preset store mode):

1. Press the footswitch/MIDI program

button on the front panel to enter

Footswitch program mode (red LED).

2. Press and hold the desired footswitch for

about 3 seconds. The FX footswitch LED

will icker indicating that the preset has

been stored.

To store a specic front panel funcon to a

footswitch (switch store mode):

1. Press the footswitch/MIDI program

button on the front panel to enter

Footswitch program mode (red LED).

2. Press and hold the desired footswitch.

While holding the footswitch down, in

less than 3 seconds, press the front panel

switch you want to map. The FX footswitch

LED will icker a couple of times indicating

that the switch has been mapped.

Note: the footswitch/MIDI program switch

cannot be assigned to a footswitch.

The footswitch can be hot-swapped and

synchronises itself with the amp after

connection. Connect the footswitch lead to the

footswitch side rst and then connect it to the

amp.

6.0

FOOTSWITCH

ENGLISH

7.0

FACTORY RESET

MIDI RESET

Warning: once the memory is erased it cannot

be recovered.

To erase all the MIDI presets and set the MIDI

reception channel to #1:

1. Ensure the amplier is completely turned

off.

2. Press and hold clean channel switch.

3. Switch the amp on (power switch on, not

standby switch). The 2 channel LEDs will

glow red.

4. Release the switch.

5. To conrm the factory reset press crunch

channel switch. If you want to abort, press

any other switch.

FOOTSWITCH RESET

Warning: once the memory is erased it cannot

be recovered.

To reset the footswitch to the factory default

status:

1. Unplug the footswitch at any of the cable

sides.

2. Press and hold the switch #6 (right switch).

3. Plug in the footswitch cord.

4. Release the switch and the FX LED will

start blinking.

5. If you want to erase the footswitch

memory press the switch #5. To keep the

memory press any of the #1-#4 switches.

6. Release the switch and the footswitch will

synchronise with the amplier.

The factory default is as follows:

FSW #1: clean;

FSW #2: crunch;

FSW #3: OD1;

FSW #4: OD2;

FSW #5: master;

FSW #6: reverb.

ENGLISH

WHILST THE INFORMATION CONTAINED HEREIN IS CORRECT AT THE TIME

OF PUBLICATION, DUE TO ITS POLICY OF CONSTANT IMPROVEMENT AND

DEVELOPMENT, MARSHALL AMPLIFICATION PLC RESERVES THE RIGHT TO

ALTER SPECIFICATIONS WITHOUT PRIOR NOTICE.

MARSHALL AMPLIFICATION PLC,

DENBIGH ROAD,

BLETCHLEY, MILTON KEYNES,

MK1 1DQ, ENGLAND.

T: +44 (0) 1908 375411

MARSHALL AMPLIFICATION PLC

REGISTERED IN ENGLAND

REGISTERED NUMBER: 805676

M3311.215 | BOOK-00086-02

JVM

4 SERIES

MANUEL D'UTILISATION

FRANÇAIS

FÉLICITATIONS POUR

L’ACHAT DE VOTRE

AMPLIFICATEUR JVM.

LE JVM PRODUIT UNE VASTE PALETTE SONORE, CE QUI EN FAIT UN OUTIL

EXTRÊMEMENT POLYVALENT. CELA VA DES TONALITÉS CLAIRES ET

SATURÉES CLASSIQUES À DES GROGNEMENTS PLUS LOURDS ET UN GAIN

PLUS ÉLEVÉ. ENTIÈREMENT PROGRAMMABLE, LA SÉRIE JVM EST DOTÉE

D'UNE COMMANDE TONALE SANS PRÉCÉDENT, AVEC TROIS MODES PAR

CANAL, REVERBS INDÉPENDANTES, BOUCLE D'EFFETS PARALLÈLE/SÉRIE ET

TECHNOLOGIE DE PÉDALIER DE CONTRÔLE STOMPWARE®.

NOUS ESPÉRONS QUE VOUS APPRÉCIEREZ VOTRE NOUVEL AMPLIFICATEUR

AUTANT QUE NOUS AVONS PRIS PLAISIR À LE CONCEVOIR ET LE

CONSTRUIRE POUR VOUS.

L'ÉQUIPE MARSHALL

MANUEL D'UTILISATION

Avertissement! Consignes de sécurité 18

FCC déclaration de conformité 19

Présentation et spécications 20

Fonctions du panneau avant 21

Fonctions du panneau arrière 24

Opération midi 27

Pedalier 28

Retour à la conguration initiale 29

an d'allumer votre amplicateur en toute

sécurité. La procédure varie selon que vous

envisagez d'utiliser votre amplicateur sur

des enceintes de haut-parleur ou pour des

enregistrements muets.

Aenon : le non-respect des points suivants

est susceptible d'endommager votre ampli.

Ulisaon de votre ampli avec des enceintes

de haut-parleur

1. Assurez-vous que la puissance admissible

de (des) l' (des) enceinte(s) de haut-parleur

est égale ou supérieure à la puissance

de sortie de l'ampli. Raccordez l' (les)

enceinte(s) de haut-parleur à la (aux)

sortie(s) d'impédance correcte(s) du haut-

parleur située(s) sur le panneau arrière.

Remarque : Utilisez uniquement des

câbles (non blindés) de haut-parleur pour

raccorder les enceintes.

2. Assurez-vous que l'interrupteur

d'alimentation et l'interrupteur de veille sont

éteints et réglez tous les volumes principaux

situés sur le panneau avant sur zéro.

3. Raccordez le câble du pédalier au pédalier

puis raccordez à la prise du pédalier située

sur le panneau arrière de l'ampli.

4. Branchez en premier lieu le cordon

d’alimentation fourni sur l’entrée

Averssement : avant d’aller plus loin, vérier

que votre amplicateur est compatible avec

votre alimentation électrique. En cas de doute,

s’adresser à un technicien qualié ; votre

vendeur Marshall est en mesure de vous

conseiller à ce sujet.

ENTRÉE SECTEUR ET FUSIBLE

D'ALIMENTATION

La tension nominale de l'entrée d'alimentation

pour laquelle votre amplicateur est conçu

est indiquée sur le panneau arrière. Votre

amplicateur est fourni avec un cordon

d’alimentation amovible qui doit être branché

à la prise d'entrée d'alimentation située sur le

panneau arrière de votre amplicateur.

La valeur et le type de fusible d'alimentation

appropriés sont spéciés sur le panneau arrière

de l’amplicateur. N'essayez jamais de court-

circuiter le fusible ou d'en utiliser un de valeur

ou de type incorrect.

Aenon : votre amplicateur doit être éteint

et déconnecté du réseau électrique avant de

vérier et/ou de changer un fusible.

INFORMATIONS IMPORTANTES CONCERNANT

L'INSTALLATION :

Suivez les procédures de démarrage ci-dessous

d'alimentation du panneau arrière, puis

ensuite sur une prise électrique.

5. Branchez votre guitare à la prise d’entrée

du panneau avant.

6. Activez l'interrupteur d'alimentation du

panneau avant. Le commutateur devient

rouge.

7. Attendez quelques minutes, puis allumez

l'interrupteur de veille.

Aenon : avant d'allumer l'interrupteur de

veille, une charge (de haut-parleur) doit être

xée à l'unité. N'utilisez jamais votre ampli sans

qu'une charge (de haut-parleur) ne soit xée

lorsque l'interrupteur de veille est allumé.

UTILISATION DE VOTRE AMPLI POUR UN

ENREGISTREMENT MUET

Lorsque l'interrupteur de veille est éteint,

l'ampli peut être utilisé sans charge pour

un enregistrement muet. Ce mode vous

permet de recevoir un signal de la section du

préamplicateur sans engager la section de

puissance de sortie.

1. Assurez-vous que l'interrupteur

d'alimentation et l'interrupteur de veille

sont éteints.

2. Raccordez le câble du pédalier au pédalier

puis raccordez à la prise du pédalier située

sur le panneau arrière de l'ampli.

3. Branchez en premier lieu le cordon

d’alimentation fourni à l’entrée

d'alimentation du panneau arrière, puis

ensuite à la prise électrique.

4. Branchez votre guitare à la prise d’entrée

du panneau avant.

5. Activez l'interrupteur d'alimentation du

panneau avant. Le commutateur devient

rouge.

6. Un signal pour l'enregistrement est

disponible à travers la prise de sortie de la

boucle d'effets parallèle/série et/ou de la

prise de sortie du préamplicateur.

Aenon : veillez toujours à ce qu'une charge

soit raccordée avant d'allumer l’interrupteur de

veille (pour quitter le mode enregistrement muet).

TRANSPORT DE VOTRE ÉQUIPEMENT :

Vérier que votre amplicateur est éteint et

débranché de l’alimentation secteur et que tous

les câbles pouvant être débranchés ont été

déconnectés de l’équipement avant de déplacer

l’amplicateur.

Déplacez l’amplicateur uniquement seul ;

n’essayez pas de le déplacer lorsqu’il

est empilé sur une enceinte ou un autre

équipement.

FRANÇAIS

1.0

AVERTISSEMENT ! CONSIGNES DE SÉCURITÉ

VEUILLEZ LIRE ATTENTIVEMENT CE MANUEL AVANT BRANCHEMENT. SUIVEZ TOUTES LES CONSIGNES ET RESPECTEZ TOUS LES AVERTISSEMENTS.

DÉCLARATION DE CONFORMITÉ

Cet appareil est conforme à la section 15 de

la réglementation de la FCC. L’utilisation est

soumise aux deux conditions suivantes :

1. L’appareil ne doit pas provoquer

d’interférences nuisibles, et

2. L’appareil doit pouvoir supporter toutes

les interférences reçues, notamment celles

susceptibles de gêner son fonctionnement.

L’équipement a été testé et déclaré conforme

aux limites imposées aux appareils numériques

de classe B, conformément à la section 15

de la réglementation de la FCC. Ces limites

sont conçues pour fournir une protection

raisonnable contre les interférences nuisibles

dans une installation résidentielle.

Cependant, rien ne garantit qu’il n’y aura

pas d’interférences dans une installation

particulière. Si l’équipement provoque des

interférences nuisibles à la réception des

signaux de radio ou de télévision, ce qui peut

être déterminé en l’éteignant et en le rallumant,

on encourage l’utilisateur à essayer de corriger

ces interférences par l’un des moyens suivants :

• Réorienter ou déplacer l’antenne de

réception.

• Augmenter la distance entre

• l’équipement et le récepteur.

• Brancher l’équipement sur une prise

d’un circuit différent de celui auquel le

récepteur est connecté.

• Consulter le revendeur ou un technicien

expérimenté en radio / télévision pour

obtenir de l’aide.

ATTENTION : Tout changement

ou modication non expressément

approuvé par l’organisme responsable

de la conformité peut annuler le droit de

l’utilisateur à se servir de l’équipement.

Cet appareil est conforme à la norme

CAN ICES-3(B)/NMB-3(B).

FRANÇAIS

1.1

FCC DÉCLARATION DE CONFORMITÉ

Les amplicateurs JVM 4 canaux sont dotés de

3 modes, ce qui vous permet de sélectionner

parmi 12 sons différents.

Le panneau avant contient des séries dédiées

d'égalisateurs et de contrôles de gain pour

les 4 canaux, ainsi que les sections principales

et reverbs. La section principale comprend 2

volumes principaux réglables par pédalier, plus

des commandes de résonance et de présence

qui s'adaptent universellement aux 4 canaux. La

section reverb comprend des commandes de

niveau de réverbération pour chaque canal.

JVM410C

LAMPES

4 x ECC83, 1 x ECC83 (déphaseur) et 4 x EL34

CANAUX

4 (Multi): Clean, Crunch, Overdrive 1 and

Overdrive 2

PUISSANCE

100W

EQUALISATION

Treble, Middle, Bass, Presence etResonance

EFFETS

Réverbération numérique

HAUT-PARLEURS

2 x 12”

1 x Celestion Heritage G12H (8Ω, 80W)

1 x Celestion Vintage (8Ω, 70W)

SORTIES

5 x prises jack 1/4”

(charge 16Ω / charge 8Ω / charge 4Ω)

Emulated line out (XLR)

MIDI thru

BOUCLE D’EFFETS

2, 1 x series parallel, 1 x series

JVM410H

LAMPES

4 x ECC83, 1 x ECC83 (déphaseur) et 4 x EL34

CANAUX

4 (Multi): Clean, Crunch, Overdrive 1 and

Overdrive 2

PUISSANCE

100W

EQUALISATION

Treble, Middle, Bass, Presence etResonance

EFFETS

Réverbération numérique

SORTIES

5 x prises jack 1/4”

(charge 16Ω / charge 8Ω / charge 4Ω)

Emulated line out (XLR)

MIDI thru

BOUCLE D’EFFETS

2, 1 x series parallel, 1 x series

FRANÇAIS

2.0

PRÉSENTATION ET SPÉCIFICATIONS

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