Marshall JCM900 4100 El Manual Del Propietario página 4

FRONT PANEL FUNCTIONS
0
1
POWER
15.
1. INPUT
Connects the instrument to the
amplifier. (Use a high quality screened
lead).
2. CHANNEL A PREAMP GAIN
Sets the GAIN level for CHANNEL A.
Lower settings for clean sounds, higher
settings for medium drive and crunch.
3. CHANNEL B LEAD GAIN
Sets the GAIN level for the boosted
CHANNEL B. Lower settings for more
classic lead tones, higher settings for
maximum drive and sustain.
4, 5, 6, & 7. TREBLE, MIDDLE, BASS &
PRESENCE
Passive rotary EQ circuit. The
interactive controls provide a wide
range of tonal variation for both
channels.
8. CHANNEL A REVERB
Controls the amount of REVERB on
CHANNEL A.
STANDBY
14.
9. CHANNEL A MASTER VOLUME
Controls the overall VOLUME level of
CHANNEL A.
10. CHANNEL B REVERB
Controls the amount of REVERB on
CHANNEL B.
11. CHANNEL B MASTER VOLUME
Controls the overall VOLUME level of
CHANNEL B.
12. CHANNEL B 'ON' PUSH SWITCH/LED
Indicates red when CHANNEL B is
selected either manually or by remote
footswitch.
13. FOOTSWITCH
Connects the remote dual footswitch for
Channel A/B switching and Reverb On/
Off (part # PEDL-91004).
14. STANDBY SWITCH
This switch is used in conjunction with
the mains POWER switch (item #15) to
'warm up' the amplifier before use and
to prolong the life of the output valves.
When powering up the amplifier always
MASTER
(CH. B)
PUSH ON
(CH. B)
4 6 4
2 8 2
FOOT
SWITCH
0 10 0
VOLUME REVERB
13. 12. 11. 10.
6 4
8 2
1
10 0
VOLU
9.