Marshall Amplification JCM600 Manuel utilisateur

JCM Valve Combos

& JCM 600 Valve Head.

JCM600 VALVE GUITAR AMPLIFIERS

ENGLISH

From the Chairman

I would like to thank you personally for selecting

one of our JCM 600 valve amplifiers.

For over thirty five years now my Company has

been recognised around the world as one of the

leading manufacturers of quality amplification. This

is a direct result of our continual investment in not

only research and development, but also people,

expertise and new production techniques to enable

us to design and manufacture consistently innovative

products, all of which are built to stand the rigours

of time.

Having been a musician myself for over fifty

years, I know that these things are important to all

musicians, but I also know that a major

consideration to any musician is the cost of

equipment. To this end I have made a conscious

effort to employ new techniques to keep the

production costs of the JCM 600 range at as

reasonable a level as possible, without sacrificing

any of the Marshall trademarks such as tone and

quality, with which we would never compromise.

I would suggest that you read this handbook

carefully before operating your new JCM 600

amplifier and would like to wish you every success

with your new Marshall, which I am sure you will

find a pleasure to play for many years to come.

Yours sincerely,

WARNING!

Please read the following list carefully.

A. ALWAYS fit a good quality mains plug conforming to the latest B.S.I. standards where

necessary (UK only).

B. NEVER attempt to by-pass the fuses or fit ones of the incorrect value.

C. NEVER attempt to replace fuses or valves with the amplifier connected to the mains.

D. DO NOT attempt to remove the amplifier chassis, there are no user serviceable parts.

E. ALWAYS have this equipment serviced or repaired by competent qualified personnel.

F. NEVER use an amplifier in damp or wet conditions.

G. DO NOT switch the amplifier on without the loudspeaker connected.

H. ENSURE that any extension cabinets used are of the correct impedance.

I. PLEASE read this instruction manual carefully before switching on.

WARNING : This apparatus must be earthed!

WARNING : Do not obstruct ventilation grille and always ensure free movement of air around

the amplifier!

Marshall Amplification has been inextricably linked with valve amplification

since our very beginning in 1962. Products such as the original Bluesbreaker

combos, JTM 45 and Super-Lead heads were all destined to be, and have

become, classics in their own right.

All of these special Marshalls produced their magical tone by driving the guitar

through an all valve pre-amp into a pure valve power-amp. The JCM 600 series

carry on this grand tradition but meet the demands of contemporary guitarists

by providing features such as channel switching, reverb, effects loop and

speaker emulated output.

Using Your JCM 600 Amplifier

Your JCM 600 Valve combo or head is easily capable of producing a wide

range of usable quality tones, from glassy vintage clean, Bluesbreaker type

singing lead and crunchy chord work to full blown modern high gain crush.

What’s more the controls are simple and intuitive to use giving you instant

access to memorable Marshall tones.

Whilst one should always bear in mind that taste in tone is a very subjective

matter, the following suggestions will give you a good starting point for getting

some great sounds from your JCM 600 amplifier.

Clean

Make sure you select the Clean channel which is indicated by the green L.E.D.

The strength and height of your pick-ups will have a great influence on the level

you should set the volume on this channel before overdrive sets in. Generally

speaking the volume control should be set below half way for totally clean

sounds.

The tone network should be set with all three controls at 5 initially, then

adjusted to suit the type of guitar and sound required. Generally single coil

ENGLISH

JCM 600 Range Introduction

ENGLISH

pickups will require extra bass and middle to give the sound more body, but

humbuckers may well require less middle and extra treble to cut through.

Vintage Overdrive

Switch to the Overdrive channel which is indicated by the Red L.E.D. Again

pickups will obviously influence settings but you will probably find that gain

settings of around 5 or 6 are quite adequate, the key however is to increase the

master volume level. As our vintage amps didn’t really have a lot of pre-amp

gain guitarists used to crank the volume up to be heard which resulted in the

natural classic Marshall overdrive roar. Alternatively the Clean Channel with its

volume on maximum gives a very satisfying vintage type overdrive.

As far as tone settings go we would suggest that you start with the tone

controls set at about 5 and then adjust to taste from there. The selection of tone

settings for single coil or humbucking pickups will follow the same general

pattern as for the clean sound.

Modern Hi-Gain

Switch to the Overdrive channel indicated by the Red L.E.D.

Turn the gain up to full and set the volume for the desired level. Tone controls

are set to taste, though probably with the Middle control lower than the Bass

and Treble controls particularly to maintain the definition when using

humbucking pickups.

The best advice we could really offer is to simply experiment and above all

enjoy the pure valve tone of your Marshall JCM 600 amplifier.

1) Footswitch Jack

Jack socket for connection of P801 Footpedal

for channel switching.

2) Push Channel Switch

Push switch for panel switching of the

channel. The push switch is inoperative when

the footswitch is connected.

3) Input Jack

Jack socket for the input of the guitar.

4) Volume Control

Controls the Volume of the Clean channel.

5) Bass Control

Controls the lower frequencies or bottom end

in the tone of the Clean channel.

6) Middle Control

Controls the middle frequencies and fatness of

the tone of the Clean channel.

7) Treble Control

Controls the upper or treble frequencies in the

tone of the Clean channel.

8) L.E.D.

Indicates channel. Green-Clean. Red-

Overdrive.

9) Gain Control

Controls the amount of Gain on the Overdrive

channel.

10) Volume Control

Controls the volume of the Overdrive channel.

11) Bass Control

Controls the low end frequencies in the tone

of the Overdrive channel.

12) Middle Control

Controls the middle frequencies in the tone of

the Overdrive channel.

JCM 601, 602 & JCM600 Head

Front Panel Functions

ENGLISH

13) Treble Control

Controls the upper or treble frequencies in the

tone of the Overdrive channel.

Please Note

The Tone Controls are interactive and

adjusting one can effect the relative amounts

of the others. Experimentation is the best way

of finding your own personal favourites.

14) Parallel Effects Mix Control

Governs the amount of effected signal in the

overall tone when used in conjunction with

external effects through the parallel loop (see

items 3 and 4 of the JCM 600 rear panel

functions).

15) Clean Reverb

Controls the amount of Reverb on the Clean

channel.

16) Overdrive Reverb

Controls the amount of Reverb on the

Overdrive channel.

17) Volume

Controls the overall volume of the combo.

18) Standby Switch

Controls the H.T. supply to the valves and

allows the valves to remain heated when not

in use.

19) Power Switch

On / Off Switch for mains power to the

amplifier.

Please Note

To prolong the life of the valves it is always

advisable to switch on the Mains Power

Switch (item 19) about 2 minutes before

switching on the Standby (item 18).

This allows the valves to heat up to full

working temperature before use. On

switching off, the Standby should always be

switched before the Power Switch.

1) Mains Fuse

Protects the amplifier and mains supply in the

event of a fault.

Check the label on the back of the amp for the

correct value. Always replace fuses with the

correct type and rating. It is a wise precaution

to always carry spares.

2) Mains Input

Connects the amplifier to the mains power

supply.

3) Parallel FX Loop Return Jack

Jack socket for connection from the output of

an external effects processor.

Please Note

A parallel FX Loop is best suited for use with

external effects processors which require a

certain amount of dry or uneffected signal in

the overall tone. Time based effects such as

Delay and Chorus are typical examples of the

effects best suited to this type of Loop.

4) Parallel FX Loop Send Jack

Jack socket for connection to the input of an

external effects processor.

5) Series FX Loop Return Jack

Jack socket for connection to the output of an

external effects processor.

6) Series FX Loop Send Jack

Jack socket for connection to the input of an

external effects processor.

Note: The Series Loop is best suited to effects

that require no dry signal such as

Compressors or Graphic Equalisers.

7) D.I. Output

The JCM 600’s D.I. Out is switchable

between a speaker Emulated signal (pre the

power amp), and a non Emulated (post the

power amp ) signal.

The Emulated Output captures the tonality of

Vintage loudspeakers like no other D.I.

furthermore this output is unaffected by the

Master Volume controls therefore allowing

the JCM 600’s output to be turned off whilst

still providing silent recording facilities.

The D.I. Output is via an XLR type connector

which allows this system to be run into either

(a) a line level balanced input (b) a line level

unbalanced input or (c) a low level

unbalanced input.

Please Note

Refer to the JCM 600 XLR Out diagrams

(Below) for correct connections.

8) Pre/Post Switch

Allows Line Out selection between a speaker

Emulated signal (pre the power amp) and

non-emulated (post the power amp).

JCM 601, 602 & JCM600 Head

Rear Panel Functions

✪

JAPANESESPANISHGERMAN

FRENCH

ENGLISH

9) Presence Control

This Master Presence control adjusts the

amount of top end frequencies in the overall

tone - adding crispness and bite.

10) Speaker Output

On combo formats of the JCM 600 this jack

is for connection to the internal 16 Ohm

speaker. On the JCM 600 Head this socket is

for connection to an external speaker cabinet,

such as the purpose built JCM C410A

compact 4x10” angled cabinet and/or the

JCM C410B compact 4x10” base cabinet.

11) Speaker Output

For connection to an external 16 Ohm

speaker (The Marshall JCM C12 1x12” and

JCM C212 2x12” cabinet are designed for

use with JCM 600 combos).

On the JCM 600 head this output could drive

a second JCM C410A or JCM C410B

cabinet.

Note

The JCM 600 combos and head will deliver

60 Watts into either one or two 16 Ohm

speakers, ie. 16 or 8 Ohm total impedance.

The unit should not be driven into a load of

less than 8 Ohms.

If you unplug the internal loudspeaker in a

JCM 600 combo it is possible to connect a

single 8 Ohm cabinet to the extension

Speaker Output only. However, when the

internal speaker is connected only a 16 Ohm

extension cabinet may be used.

It is important to follow these instructions as

failure to do so may lead to the amp running

into the wrong impedance, which will

ultimately cause damage.

XLR Channel Input

On Mixer

(Note: Line Level-

Approx OdBV)

2 Core Screened Balanced Mic Lead

Unbalanced XLR to Jack Screened Lead

Jack Plug Line Level Jack Input On Mixer Etc.

Jack Plug

Low Level Jack Input On Mixer (ie

Mic Input)

JCM 600 XLR Out diagram

✪

VOLUME BASS MIDDLE TREBLE CLEAN

REVERB OVERDRIVE

REVERB VOLUME

OVERDRIVE MASTER

—

10 0

—

10 0

—

10 0

—

10 0

—

10 0

—

10 0

—

10 0

—8

STANDBY

POWER

GAINVOLUME

CLEAN BASS MIDDLE TREBLE

10 0

—

10 0

—

PUSH

CHANNEL

FOOT

SWITCH INPUT

RED

GREEN

200

—8

(Parallel Mix)

EFFECTS

JCM600 VALVE GUITAR AMPLIFIER

JCM600 Head & JCM601 Combo Front Panel

VOLUME BASS MIDDLE TREBLE CLEAN

REVERB OVERDRIVE

REVERB VOLUME

OVERDRIVE MASTER

—

10 0

—

10 0

—

10 0

—

10 0

—

10 0

—

10 0

—

10 0

—8

STANDBY

POWER

GAINVOLUME

CLEAN BASS MIDDLE TREBLE

10 0

—

10 0

—

PUSH

CHANNEL

FOOT

SWITCH INPUT

RED

GREEN

200

—8

(Parallel Mix)

EFFECTS

JCM600 VALVE GUITAR AMPLIFIER

JCM602 Combo Front Panel

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 1917

60 watts RMS into 8/16 .

OUTPUT

SERIES

FX LOOP

Return Send

CAUTION!:

TO REDUCE THE RISK OF FIRE REPLACE FUSES WITH THE

SAME TYPE AND RATING ONLY. DISCONECT SUPPLY CORD BEFORE

CHANGING FUSE.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 D’INCENDIE UTILISER UN

FUSIBLE DE MEME TYPE ET DE MEME CALIBRE. DEBRANCHER AVANT DE

REMPLACER LE FUSIBLE.POUR EVITER LES RISQUES DE DECHARGES

ELECTRIQUES, NE PAS OUVRIR LE COUVERCLE. CET APPAREIL NE

COMPORTE AUCUNE PIECE SUSCEPTIBLE D’ETRE REPAREE PAR

VOS SOINS. FAITES TOUJOURS APPEL A UN TECHNICIEN QUALIFIE

POUR TOUTE REPARATION.

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.

Made in England by:

Marshall Amplification plc,

Bletchley, Milton Keynes, England.

MAINS INPUT

MAINS FUSE

120V - T3A

230V - T1.6A

120V ~ 60 Hz 225 Watts

PARALLEL

FX LOOP

Return Send

D.I.OUTPUT

Pin 1 - OV, Pin 2 - High, Pin 3 - Low

Refer to manual

Se referer au manuel

’’

Emulated

PWR Amp

Line Out

Presence

010

4Ext 16

Main 8

Main

120V ~ 60 Hz 225 Watts

MAINS FUSE

120V—T3A

230V—T1.6A

PARALELL

FX LOOP SERIES

FX LOOP

Return ReturnSend Send

D.I.OUTPUT

Pin 1—OV, Pin 2—High, Pin 3—Low

Presence

Emulated

PWR Amp

Line Out

CAUTION!:

TO REDUCE THE RISK OF FIRE REPLACE FUSES WITH THE

SAME TYPE AND RATING ONLY. DISCONECT SUPPLY CORD BEFORE

CHANGING FUSE. 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 D’INCENDIE UTILISER UN

FUSIBLE DE MEME TYPE ET DE MEME CALIBRE. DEBRANCHER AVANT DE

REMPLACER LE FUSIBLE. POUR EVITER LES RISQUES DE DECHARGES

ELECTRIQUES, NE PAS OUVRIR LE COUVERCLE. CET APPAREIL NE COMPORTE

AUCUNE PIECE SUSCEPTIBLE D’ETRE REPAREE PAR

VOS SOINS. FAITES TOUJOURS APPEL A UN TECHNICIEN QUALIFIE

POUR TOUTE REPARATION.

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.

Made in England by:

Marshall Amplification plc,

Bletchley, Milton Keynes, England.

60 watts RMS into 8/16 .

OUTPUT

Extension

Internal

MAINS INPUT

1 2 3 4 5 6 7 8 9 10 11

JCM601 & 602 Combo Rear Panel

JCM600 Head Rear Panel

Ce manuel convient aux modèles suivants

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