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DSL15H Front Panel Controls & Switches
DSL
15H
POWER
POWER
1
POWER SECTION –––––––––––––––––––––––––––––––
1. POWER SWITCH
On/Off switch for mains power to the amplifier.
EQUALISATION SECTION ––––––––––––––––––––––––
2. DEEP BUTTON
When pressed in, this button 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
power-stage.
3. 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.
4. BASS CONTROL
Controls the amount of bottom end (low frequencies)
in your tone.
5. 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.
6. TREBLE CONTROL
Controls the high frequencies of the guitar tone,
making your guitar sound brighter when it is turned
clockwise.
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 (5) is turned down, the result is an
aggressive, scooped-mid sound, ideal for many
modern metal styles.
(from Left to Right)
4
4
6
6
4
4
6
6
2
2
8
8
2
2
8
8
2
2
Deep
p
0
0
10
10
0
0
10
10
PRESENCE
PRESENCE
BASS
BASS
EQUALISATION
2
3
4
ULTRA GAIN CHANNEL ––––––––––––––––––––––––––
TONAL NOTE: This channel is based on the "Lead
2" mode of the DSL100H's Ultra Gain channel –
producing a high-gain, mid-boosted tone based on
a hot-rodded JCM800 2203.
8. ULTRA GAIN CHANNEL VOLUME CONTROL
Controls the volume level of the Ultra Gain channel.
9. 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.
10. ULTRA GAIN CHANNEL LED
This LED lights-up red to indicate that the Ultra
Gain channel has been selected.
11. CHANNEL SELECTION BUTTON
Selects Ultra Gain channel when pushed in, and
the Classic Gain channel when out.
CLASSIC GAIN CHANNEL ––––––––––––––––––––––––
TONAL NOTE: This channel is based on the
"Clean" mode of the DSL100H's Classic Gain
channel – producing a tone reminiscent of an early
1959 Plexi Super Lead head.
12. CLASSIC GAIN CHANNEL LED
This LED lights-up green to indicate that the
Classic Gain channel has been selected.
13. CLASSIC GAIN CHANNEL VOLUME CONTROL
Controls the volume level for the Classic Gain
channel.
14. 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.
15. INPUT
Input jack socket for guitar cable.
2
4
4
6
6
4
4
6
6
4
4
6
6
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
MIDDLE
MIDDLE
TREBLE
TREBLE
VOLUME
VOLUME
ULTRA GAIN
5
6
7
8
Power (RMS)
15W
C hannels
2
Weight (kg)
10.2
Valves
4 x ECC83 + 2 x 6V6
DSL15H Rear Panel Features
LOUDSPEAKERS
16 OHM
8 OHM
8 OHM
CONNECT SPEAKERS BEFORE USE
MODEL: DSL15H
OUTPUT: 15 WATTS RMS
1
2 & 3
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 on the amp matches the total impedance of the
speaker cabinet being used. Failure to comply with
these points will result in damage to the amplifier.
The DSL15H features three outputs, a dedicated
16Ω output and two 8Ω outputs.
The DSL15H must not be run into an impedance of
less than 8Ω.
1. 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 (2 & 3), are
not operational.
2. & 3. 8Ω SPEAKER OUTPUTS
For use when the total impedance of the speaker
cabinet(s) being used is 8Ω. That is, when using
either a single 8Ω cab or two 16Ω cabs.
FOOTSWITCH –––––––––––––––––––––––––––––––––––
4. FOOTSWITCH JACK
For the connection of the supplied footswitch. This
allows you to switch between the Classic Gain and
Ultra Gain channels.
4
4
6
6
4
4
6
6
4
4
6
6
8
8
2
2
8
8
2
2
8
8
Channel
Select
0
0
10
10
0
0
10
10
0
0
10
10
GAIN
GAIN
VOLUME
VOLUME
GAIN
GAIN
CLASSIC GAIN
10
11
12
13
14
9
DSL15H Technical Specification
Size (mm)
W
H
D
(from Left to Right)
Designed, Engineered & Quality Controlled by:
Marshall Amplification plc
Bletchley, Milton Keynes, England
TRIODE
PENTODE
Made in Vietnam
(Half Power)
(Full Power)
FOOTSWITCH
5
4
NOTE: The footswitch overrides the front panel
Channel switch.
OUTPUT POWER SELECTION ––––––––––––––––––––
5. PENTODE/TRIODE SWITCH
When Pentode (full power) is selected the amp's
output capability is the full 15-Watts. When Triode
mode (half power) is selected, the amp's output is
halved to 7.5 -Watts. Triode mode also produces a
smoother, less aggressive sound.
IMPORTANT OPERATIONAL NOTE: The amp
should always be off before switching between
Triode and Pentode.
6. MAINS INPUT SOCKET WITH 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.
3
INPUT
INPUT
15
500
240
235
MAINS INPUT
230V ~ 50Hz
100 WATTS
FUSE
230V - T1AE250V
100-120V - T2AE250V
6
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