Bedienungsanleitung Marshall MA Series (Seite 4 von 5) (Englisch)

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22. Speaker Output Jack Sockets x 2

These two jacks are tapped from the 8Ω winding of the

output transformer and are wired in parallel. The required

total load impedance of 8Ω will be realised with either of

the following configurations;

One 8Ω cabinet plugged into one of the 8Ω outputs.

Two 16Ω cabinets plugged into each of the 8Ω outputs.*

Note: The cable from the internal speakers of the

MA100C combo should be plugged into either one of

these sockets. If using an extension cab, then the internal

speakers must be disconnected, otherwise the total

impedance will be too low for the amp!

* 16Ω and 16Ω in parallel gives a total impedance of 8Ω.

23. Speaker Output Jack Socket

This jack is tapped from the 16Ω winding on the output

transformer. When using a single 16Ω cabinet it should be

plugged into this socket.

Note: The cable from the internal speaker of the MA50C

combo should be plugged into this socket. If you want to

use the internal speakers and an extension cab then the

internal speaker lead must be transferred to one of the

8 Ohm outputs and the extension cab itself must be

16 Ohms and plugged into the other 8 Ohm output. If the

internal speakers are not required then simply ensure the

impedance of the extension cab is matched to the amp.

WARNING! Do not use the 8Ω outputs when using the

16Ω output (and vice versa) and never operate the

amplifier without a load connected.

ALWAYS ensure you use good quality speaker

(unshielded) cables. NEVER use guitar (shielded) cables.

24. Footswitch Socket

This is where the supplied two-way footswitch

(PEDL-91001) is connected. Ensure that the front panel

push buttons on the amp are in the OUT position when

using the footswitch.

Footswitch information:

The two-way footswitch allows for remote selection of

channels and enabling of the boost function, particularly

useful in live performance.

The left button controls the channel selection and is

labelled ‘Clean / OD’. Above this switch the associated

red LED will be off when the Clean channel is selected

and on when the Overdrive channel is selected.

The right button enables the boost function for the

Overdrive channel. This can be preset to ‘on’ even while

playing in the Clean channel, so when you change to

Overdrive it’s automatically in boosted mode if you so

desire. Above this switch the associated red LED will be

off when the Boost is disengaged and on when the Boost

is selected.

Effects Loop Send & Return Jacks:

To increase the flexibility of your amplifier even further,

you may choose to add external effects in its Series

Effects Loop. Nominal level is -10dBV.

25. External FX (Bypass/Loop)

When ‘out’, this switch will cause the FX Loop Return

input to ignore any signal from connected external FX,

however, the Send output is always active. Push this

switch ‘in’ to enable the loop.

Note:

If this switch is accidentally pushed ‘in’ and there

is nothing plugged in to the loop, the signal will still pass

through from send to return by means of an internal link

on the switching jacks. This link is disconnected when

something is plugged into the return socket. The send

socket has no effect on the status of the internal link and

therefore can be used as a line out to a tuner or the return

of a second amp for example.

26. Return

Connect the (mono) output of an external effects

processor here.

27. Send

Connect the (mono) input of an external effects processor

here.

Generally, effects involving distortion or Wah Wah aren’t

usually put in an effects loop because they sound ‘best’

when they’re before the amp (i.e. placed between the

guitar and the amp’s input). However, when it comes to

your sound, it’s up to you!

28. Mains Input Socket with incorporated

Mains Fuse

Your amp is provided with a detachable mains (power)

lead, which is connected here. The specific mains input

voltage rating that your amplifier has been manufactured

for is indicated on the rear panel. Before connecting for

the first time, please ensure that your amplifier is

compatible with your electricity supply. If you have any

doubt, please seek advice from a qualified technician.

Your Marshall dealer will help you in this respect.

MA100H MA50H

Power (RMS) 100W 50W

Valves 3 x ECC83 + 4 x EL34 3 x ECC83 + 2 x EL34

Channels 2 2

Dimensions (mm) W, H, D 750 x 310 x 250 750 x 310 x 250

Weight (kg) 18.4 16.4

MA Series Technical Specification

Follow all instructions and heed all warnings

KEEP THESE INSTRUCTIONS !

* EUROPE ONLY - Note:

This equipment has been tested and found to comply with the requirements of the EMC Directive

(Environments E1, E2 and E3 EN 55103-1/2) and the Low Voltage Directive in the E.U.

* EUROPE ONLY - Note:

The Peak Inrush current for the MA100H & MA100C is 27 amps.

The Peak Inrush current for the MA50H & MA50C is 20 amps.

MA100C MA50C

Power (RMS) 100W 50W

Valves 3 x ECC83 + 4 x EL34 3 x ECC83 + 2 x EL34

Channels 2 2

Speaker Configuration 2 x 12" 1 x 12"

Dimensions (mm) W, H, D 680 x 510 x 265 635 x 510 x 270

Weight (kg) 28.4 22.7

MA Series Rear Panel Features

ENGLISH

22 23 24 25 26 27 28

Rear panel shows MA100H –all other MA Series Head and Combo rear panels share the same features

The correct value of mains fuse located in the small drawer at the bottom of the mains socket is specified on the rear

panel of the amplifier. The drawer contains a space for a spare fuse. NEVER attempt to bypass the fuse or fit one of the

incorrect value.

Note: It is wise to carry spare fuses at all times.

Marshall MA Series Seite 4

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