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HI GAIN DUAL

FR

JCM 900 SL-X HI GAIN MASTER 

& DUAL REVERB 

R

8

7

6

5

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1

8

9 10 11 12 13

14

7

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5

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3

2

1

NOTE: On Combo models the rear p

NOTE: On Combo models the front p

JCM 900 SL-X HI GAIN MASTER 

FR

13

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11 10 9

8

7

6

5

4

3

2

14

13 12 11

10

9

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FROM THE CHAIRMAN

I would like to thank you personally for selecting one of our
new Marshall JCM 900 valve amplifiers. For over three
decades my company has been dedicated to the design and
manufacture of the finest amplification systems in the
world.

By “listening” to guitarists from all over the world we know
that their needs are constantly changing, demanding more
from their amplification.

The only way to cope with these new demands is to invest
into the research & development of new models capable of
fulfilling their ever more extreme requirements. This
investment has led to remarkable innovation within our
product ranges over the years.

Our latest development of the Master Volume amplifier, the
JCM 900 MK-4 SL-X, uses an extra valve in the pre-amp to
offer more gain and tone than we thought possible just a
short time ago.

In all the JCM 900 models there are degrees of innovation
to give extra high gain, wider tone control and greater
connection flexibility to provide you with the widest
possible sound variations.

In addition the incorporation of new circuitry and the
unique “output valve protection circuit” has increased the
renowned Marshall reliability even further.

Our investment into innovation will ensure that these valve
powered JCM 900 Master Volume SL-X and Dual Reverb
models will proudly continue the Marshall legend
throughout the next decade.

I wish you great success with your new amplifier.

SL-X hbk  4/3/05  12:22 pm  Page 1

Содержание JCM 900 valve series

Страница 1: ...SL X MASTER VOLUME DUAL REVERB HANDBOOK ...

Страница 2: ...in our product ranges over the years Our latest development of the Master Volume amplifier the JCM 900 MK 4 SL X uses an extra valve in the pre amp to offer more gain and tone than we thought possible just a short time ago In all the JCM 900 models there are degrees of innovation to give extra high gain wider tone control and greater connection flexibility to provide you with the widest possible s...

Страница 3: ...ions G ALWAYS ensure that the impedance of the amplifiers speaker or speakers connected does not fall below the minimum impedance rating I PLEASE READ this instruction manual carefully before switching on INTRODUCTION Marshall have specialised in the production of valve amplification since 1962 The unique tone and playing response of the valve has formed the cornerstone of the Marshall Sound of Ro...

Страница 4: ... contemporary screaming solos on maximum Channel master volumes items 9 11 and individual channel reverb controls items 8 10 give you incredible control and all round versatility in either head or combo form VALVE OUTPUT POWER The JCM 900 range use high quality 5881 output valves x2 in 50 Watt models x4 in 100 Watt models for their unique distortion properties and fluid tone With most valve amplif...

Страница 5: ...ment to the amplifier A high quality screened lead must be used 2 Channel A Pre Amp Gain Control Sets the gain level for channel A Lower settings give clean sounds higher settings for medium drive and crunch rhythm 3 Channel B Lead Gain Control Sets the gain level for boosted Channel B Lower settings give slight overdrive higher settings for maximum drive and sustain 4 5 6 7 Treble Middle Bass Pre...

Страница 6: ...d output i e 25 Watts on 50 Watts models or 50 Watts on 100 Watt models The high power position gives pentode operation for the full rated output 9 Valve Failure L E D Indicates red when output valve fails and causes valve fuse item 10 to operate 10 Valve Failure Fuse Operates in the event of an output valve failure and prevents any internal damage to the amplifier NOTE On 50 Watt models items 11 ...

Страница 7: ...E DUAL REVERB REAR PANEL 8 7 6 5 4 3 2 1 8 9 10 11 12 13 14 7 6 5 4 3 2 1 NOTE On Combo models the rear panel is reversed NOTE On Combo models the front panel is reversed JCM 900 SL X HI GAIN MASTER VOLUME FRONT PANEL 13 12 11 10 9 8 7 6 5 4 3 2 14 13 12 11 10 9 1 15 ...

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