Marshall 4210 schematic

Model 42lO

NER'S

HANDBOOT(

5OW.

1x 12

GOMBO

AMPLIFIER

SPLIT

GHANN

SWITGHING

SPEGIAL

1 All valve

R.M.S.
efficiency
specially manufactured

Footswitchable

2

giving
lead settings for maximum flexibility in
operation.

construction

output

80W. 12

individual

FEATURES

giving

power

split channel

into a high

inch loudspeaker,

control over

sOW.

Marshall.

for

facility

EL

rhythm

or

Each

amplifier chassis
from a minimum
precision

welded to
foundation,
knocks of the road. Industrial
cadmium
years

cut,

form

passivating

of rust-free operation.

of

punched,

a substantial,

strong enough

is constructed

16

S.W.G.

bent

and

to

ensures

steel,

seam-

rigid

take all

grade

many

the

Highly versatile tone

3

number of differing sounds from each

channel.
Extra long sustain and

4

capability.
Footswitch controlled, smooth

5

Hammond
in any situation.

Effects

6

allowing
between
designed to match most effects units in
operation

to their limits of unwanted distortion.

7 Super compact size, without any

compromise

rellability.

reverb for concert

send and

pedals

preamp

today, without

performance,

in

circuitry

powerful

return circuitry,

patched

be

to

and output

for

deep

hall

in

stages,

pushing

quality

any

overdrive

effects

and

them

or

All electronic

tested to

and

functions,
grades

Each

birch

for immense

cotton backed
stretched
indestructible
protectors
heavy

absorbing

Before leaving the factory,
has been
electronic engineers

available.

cabinet
ply,

duty

components are selected
out-perform their required

are

and

corner locked

and bonded

are riveted into

strap

feet

thoroughly

chosen

is

made

strength

P.V.C.

plastic

are screwed

from

and

covering is

on.

A.B.S.

handle

tested by a team

and musicians.

and r.f. bonded

and shock

from

the finest

finedt

longevity,

Virtually

position,

on.

your

quality

corner

a

Combo

and

of

FRONT

PANEL

FUNCTIONS

Power

1

Switch

2 Standby

Switch

Jack Connects

lnput

3

Glean/Rhythm

Vof ume

4

Control

Treble Controls

5

Control

Bass

6

Controfs

Boost Ghannel

Boost

7

Channel

BAGK

Controls
amplifier.

Controls

valves, allows

heated

Ghannel

To set

playing

channels
Controls

channels

(right-handl

lndicates

L,E.D.lse/ected

PANEL

mains

total

H.T. supply

filaments

the

during

the

breaks.

instrument

(teft-handl

level of

styles.

increase

high

increase

low freguencY

red

via

normal or

or decrease

freguencY

or

Ghannel

when channel

footswitch.

FUNCTIONS

power

to amplifier

decrease of

to

remain

to

to amplifier.

rhythm

of

response.

response.

Facilities

is

the

the

10

11

12

13

14

Gain

Control

Volume

Control

Treble

Control

Middle

Control

Bass

Control

Master
Reverb

Master

volume

Controls

and the
Controls

channel.
Controls

of the
Controls

channel
also

Controls
the

effect

channel

modify

channel

Controls

in total sound output.

Controls
amplifier

amount

the

degree

the

the

the

and

the

the

the

of overdrive

loudness

high

output.

middle

high settings,

at

the treble

low freguency

output.

depth of the

overall

loudspeakers.

and

of boost

level of

frequency content

register of

and bass.

output

drive

reguired.

the

the

this will

content of

reverb

level of

I5

Mains

15

lnput socket

Mains

16

Fuse
HJ.

17

Mains

18

Selector

19

Output
Selector

Loudspeaker

2O

Fuse

l7

Connects

i.e.

20v.-73A.

|

CORRECT

TSOOnA. only.

slow

ONLY.

M

to

| 20/220/240V.

M atc
impedance
impedance,
loudspeaker

unless otherwise
loudspeaker chassis.
check

Parallel connected

lo u dspea ker c
Loudspeaker

t8

amplifier

19

to mains supply,

| 2ol22o/24ov.40/60

2 20

/240V.-72A.

VALUE

blow).

atches

the incoming

amplifier

hes am

to loudspeaker

with supplier.

FUSE ONLY.

(Note

USE CORRECT

power

mains

pl

ifier output

i.e. 4/8/l 6 ohm.

is normally | 6

stated on

iacks

o n n ectio

load must always be

20

Hz. | 75W.

U S E

"T"

denotes

FUSE

transformer

voltage,

ta nsform

load

lnternal

ohm,

lf in doubt,

for

n s.

i.e.

er

D.l.

21

Slave

D.l.

22

Slave

Effects

23

Return
Effects

24

Send

Footswitch

25

Jack

Footswitch

26

or

or

level

Jack

connected.
used, total
matched to

less than 4 ohm.

Controls
signal.

Jack

amplifier

of
connection
mixing
system.

Return
effects unit.

Signal
external

Connector
footswitch

Footswitch
Boost ChannelON/OFF.

lf one

impedance

volume

socket carrying

desks, or

jack

jack

to feed

effects

for boost/reverb

unit.

for reverb ONlOFF.

or both

must be

selector and

low level output

of

low levelversion

output,

to

from output of external

suitable

recording

into Slave

input

the

unit.

sockets are

not

must

for

and P.A.

amplifying

of

dual

be