Marshall jcm900 schematic
JCM900
SL-X 2100 & SL-X 2500
Master Volume Models
&
4100, 4500, 4101, 4102, 4501 & 4502
Dual Reverb Models
Denbigh Road, Bletchley, Milton Keynes, MK1 1DQ, England
Web Site - http://www.marshallamps.com
Whilst the information contained herein is correct at the time of publication,
due to our policy of constant improvement and development, Marshall
Amplification plc reserve the right to alter specifications without prior notice.
Marshall Amplification plc
Tel: (01908) 375411
Fax: (01908) 376118
Nov ‘98
Handbook
1
VALVE
SERIES
INTRODUCTION
WARNING!
PLEASE READ THE FOLLOWING LIST CAREFULLY
A. ALWAYS fit a good quality mains plug conforming to the latest B.S.I.
standards (UK only).
B. ALWAYS wire the plug in accordance with the colour code attached to
the mains lead (UK only).
C. DO NOT attempt to remove the amplifier chassis. There are no user
serviceable parts inside.
D. ALWAYS have this equipment serviced or repaired by competent,
qualified personnel.
E. NEVER under any circumstances, operate the amplifier without an earth.
F. NEVER use any amplifier in damp or wet conditions.
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.
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 Rock”, which we have
modified over the years to cope with the changing demands of the
evolving guitar player.
The JCM 900 models split into two distinct product ranges, the
Master Volume SL-X and the Dual Reverb. Though they share
common ancestry and have similar rear panel functions their
applications are quite different.
JCM 900
2
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