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DSL100H Front Panel Controls & Switches
ont Panel 680mm x 67.7mm Issue 6 21_9_2011
OFF
OFF
OFF
OFF
DSL
100H
ON
ON
ON
ON
POWER
POWER
STANDBY
STANDBY
1
2
POWER SECTION –––––––––––––––––––––––––––––––––
1. POWER SWITCH
On/Off switch for mains power to the amplifier.
2. STANDBY SWITCH
Controls H.T. or high voltage to the valves, allowing
them to attain correct working temperature before
playing.
NOTE 1: To prolong the life of the valves it is always
advisable to switch on the Mains Power Switch (1)
about 2 minutes before switching on the Standby (2).
NOTE 2: On powering your amp down, the Standby
should always be switched off before the Power
Switch is.
NOTE 3: The standby facility is particularly useful
before playing, when changing guitars and between
sets as it allows you to keep the valves operating at
a functional temperature without any sound being
produced.
REVERB SECTION ––––––––––––––––––––––––––––––––
3. ULTRA GAIN CHANNEL REVERB CONTROL
Controls the Reverb level on the Ultra Gain channel.
4. CLASSIC GAIN CHANNEL REVERB CONTROL
Controls the Reverb level on the Classic Gain
channel.
EQUALISATION SECTION ––––––––––––––––––––––––––
5. RESONANCE CONTROL
Turning this control clockwise adds a resonant
bass boost to your sound, increasing bottom end
thud whilst making your tone fatter around that
all-important low end. This is a function of the
powerstage.
6. PRESENCE CONTROL
Turning this control clockwise adds higher
frequencies to your guitar tone, creating crispness
and bite and making the sound more cutting and in
your face. This is also a function of the powerstage.
7. TONE SHIFT BUTTON
The Tone Shift reconfigures the tone network to give
a new dimension to passive tone shaping. When
the button is pushed in, and the Middle control (9) is
turned down, the result is an aggressive, scooped-
mid sound, ideal for many modern metal styles.
8. BASS CONTROL
Controls the amount of bottom end (low frequencies)
in your tone.
(from Left to Right)
REVERB
EQUALISATION
4
4
6
6
4
4
6
6
4
4
6
6
4
4
6
6
4
4
2
2
8
8
2
2
8
8
2
2
8
8
2
2
8
8
2
2
Tone
Shift
0
0
10
10
0
0
10
10
0
0
10
10
0
0
10
10
0
0
10
10
ULTRA
ULTRA
CLASSIC
CLASSIC
RESONANCE
RESONANCE
PRESENCE
PRESENCE
BASS
BASS
3
4
5
6
7
8
9. MIDDLE CONTROL
This dictates the middle register of your guitar's
sound. Turning this up will make your guitar sound
fatter, while turning it down will result in a sharper,
"scooped" tone – especially when used in conjunction
with the Tone Shift button.
10. TREBLE CONTROL
Controls the high frequencies of the guitar tone,
making your guitar sound brighter when it is turned
clockwise.
ULTRA GAIN CHANNEL –––––––––––––––––––––––––––
11. ULTRA GAIN CHANNEL VOLUME CONTROL
Controls the volume level for the Ultra Gain channel.
12. LEAD 1/LEAD 2 BUTTON
The Ultra channel features two selectable modes –
Lead 1 & Lead 2. Lead 1 (button out) gives an
open, high-gain crunch, with traditional Marshall
characteristics, similar to a hot-rodded JCM800 2203.
Lead 2 (button in) produces a mid-boosted tone with
even higher gain possibilities.
13. ULTRA GAIN CHANNEL GAIN CONTROL
Controls the Gain level for the Ultra Gain channel. As
the amount of gain increases, so will the distortion
level in your sound.
14. ULTRA GAIN CHANNEL LED
This LED lights-up red to indicate that the Ultra Gain
channel has been selected.
15. CHANNEL SELECTION BUTTON
Selects Ultra Gain channel when pushed in, and the
Classic Gain channel when out.
CLASSIC GAIN CHANNEL –––––––––––––––––––––––––
16. CLASSIC GAIN CHANNEL LED
This LED lights-up green to indicate that the Classic
Gain channel has been selected.
17. CLASSIC GAIN CHANNEL VOLUME CONTROL
Controls the volume level for the Classic Gain
channel.
18. CLEAN/CRUNCH BUTTON
Just like the Ultra Gain channel, the Classic Gain
channel features two modes – Clean and Crunch.
The Clean mode is reminiscent of an early 1959 Plexi
Super Lead head and, depending on the Gain setting
(19) will take you from clean to a Plexi style crunch.
The Crunch mode gives you a JCM800 2203 style
grind.
4
ULTRA GAIN
6
6
4
4
6
6
4
4
6
6
4
4
6
6
4
4
6
6
8
8
2
2
8
8
2
2
8
8
2
2
8
8
2
2
8
8
L
Lead 1
1
Channel
Lead 2
L
2
Select
0
0
10
10
0
0
10
10
0
0
10
10
0
0
10
10
MIDDLE
MIDDLE
TREBLE
TREBLE
VOLUME
VOLUME
GAIN
GAIN
9
10
11
12
13
14
15 16
19. CLASSIC GAIN CHANNEL GAIN CONTROL
Controls the gain level for the Classic Gain channel.
As the amount of gain increases, so will the distortion
level in your sound.
20. INPUT
Input jack socket for guitar cable.
DSL100H Rear Panel Features
1 & 2
LOUDSPEAKER OUTPUTS ––––––––––––––––––––––––
IMPORTANT OPERATIONAL NOTE: With all-valve
amplifiers it is imperative that the amp is connected
to a load whilst in operation and that the impedance
output(s) on the amp matches the total impedance of
the speaker cabinet(s) being used. Failure to comply
with these points will result in damage to the amplifier.
The DSL100H features three outputs, a dedicated
16Ω output and two 8Ω outputs.
The DSL100H must not be run into an impedance
less than 8Ω.
1. & 2. 8Ω SPEAKER OUTPUTS
For use when the total impedance of the speaker
cabinet(s) being used is 8Ω. That is, when using
either single 8Ω cab or two 16Ω cabs.
3. 16Ω SPEAKER OUTPUT
For the connection of a 16Ω speaker cabinet. It
should be noted that when this Speaker Output is in
use the remaining Speaker Outputs, items 1 and 2,
are not operational.
FOOTSWITCH –––––––––––––––––––––––––––––––––––––
4. FOOTSWITCH JACK
For the connection of the supplied 2 button footswitch
(PEDL-00009). This allows you to switch between
the Classic Gain and Ultra Gain channels and also
switches the Reverb on/off.
NOTE: The footswitch overrides the front panel
Channel switch.
CLASSIC GAIN
4
4
6
6
4
4
6
6
2
2
8
8
2
2
8
8
C
Clean
n
Crunch
C
h
0
0
10
10
0
0
10
10
INPUT
INPUT
VOLUME
VOLUME
GAIN
GAIN
17
18
19
20
(from Left to Right)
3
4
5
6
7
8
FX LOOP –––––––––––––––––––––––––––––––––––––––––
5. FX LOOP SWITCH
This switches the DSL100H's Series FX loop on or
off.
6. FX LOOP RETURN
For connection from the output of an external effects
pedal or processor.
7. FX LOOP SEND
For connection to the input of an external effects
pedal or processor.
OUTPUT POWER SELECTION ––––––––––––––––––––––
8. PENTODE/TRIODE SWITCH
When Pentode (full power) is selected the amp's
output capability is the full 100-Watts. When Triode
mode (half power) is selected, the amp's output is
halved to 50-Watts. Triode mode also produces a
smoother, less aggressive sound.
IMPORTANT OPERATIONAL NOTE: Whenever this
switch is used the amp must always be in Standby
mode.
9. MAINS INPUT SOCKET WITH 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.
5
Technical Specification
DSL100H
Power (RMS)
100W
Valves
4 x ECC83
4 x EL34
C hannels
2
Weight (kg)
24.2
Dimensions (mm)
W
741
H
274
D
242
9
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