9
BASS
Bottom end voicing control for the
Lead Channel.
10
LO MID
Lo Mid-range voicing control (at 500 Hz)
for the Lead Channel.
LEAD GAIN
Gain control for the Lead channel, controls the
amount of distortion in the Lead mode.
CAUTION:
Extremely high gain and volume
levels in the Lead mode can produce strong
feedback. Avoid feedback squeals, they lead
to hearing loss and damaged speakers!
6
TREBLE
Upper range voicing control for the
Clean Channel.
7
CLEAN VOLUME
Volume control for the Clean channel.
8
4
BASS
Bottom end voicing control for the
Clean Channel.
5
MIDDLE
Mid-range voicing control for the
Clean Channel.
BRIGHT
Alters the EQ by boosting the upper treble
range; (above 2 kHz).
Front
1
INPUT
Unbalanced 1/4" (main) input jack.
1
2
CLEAN GAIN
Input sensitivity control for the Clean channel
3
11
HI MID
Hi Mid-range voicing control (above 1 kHz)
for the Lead Channel.
TREBLE
Upper range voicing control for the
Lead Channel.
12
CONTOUR
Press this button to alter the mid-EQ. When the
button is pressed, mids between 300 & 500 Hz
and mids between 1 & 2 kHz are boosted
slightly; the red LED indicates Contour active.
This function can also be activated via a
footswitch connected to jack (23). Once a
footpedal is connected, the channel selector
pushbutton is deactivated.
13
LEAD VOLUME
Volume control for the Lead channel.
14
GAIN LO / HI
This button increases the gain levels for both
channels. When you activate it, the Clean
channel responds more like a Crunch channel,
and the Lead channel delivers a hi-gain lead
sound. You can also activate this function via
footswitch (Jack 22), the Gain Boost pushbutton
is then no longer functional. The LED
illuminates to indicate Hi-Gain mode is active.
15
CLEAN / LEAD
Channel selector pushbutton for Clean and
Lead modes, red LED indicate Lead mode;
This function can also be activated via a
footswitch connected to jack 22. Once a foot-
pedal is connected, the channel selector push-
button is deactivated.
16
PREAMP DEFEAT
This feature bypasses the preamp when the
button is depressed. In this case the guitar
signal is routed to the Instrument Output
jack (32) .
You can also activate this function via
footswitch (at Jack 23), the Preamp Defeat
pushbutton is then no longer functional.
The LED above the button illuminates to
indicate the preamp is bypassed.
17
18
POWER
AC power on/off.
19
I
NPUT
B
RIGHT
B
ASS
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EAD
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AIN
C
LEAN
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OLUME
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EAD
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OWER
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EAD
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AIN
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O
/ H
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IDDLE
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REBLE
C
LEAN
G
AIN
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ASS
L
O
M
ID
C
ONTOUR
P
REAMP
D
EFEAT
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TEREO
H
EAD
P
HONES
TUBE PREAMP 530
H
I
M
ID
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REBLE
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5
6
7
8
9 10 11 12 13 14 151617 18 19
STEREO HEAD PHONES
1/4" stereo output designed for stereo
headphones. you can also connect
hi-fi speakers or guitar cabinets. When you
connect a conventional guitar cabinet set the
selector switch (24) to ,,Routed to Guitar
Cabinet."
CAUTION! Ensure You Heed The Following:
Always use a 1/4 stereo plug. If you use a
mono plug, it may short-circuit and destroy
the poweramp!
T I P
1
T I P
2
T I P
3
T I P
3
T I P
3
T I P
4
T I P
5
T I P
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T I P
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T I P
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T I P
5