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SVT-4 PRO Bass Guitar Amplifier SVT-4 PRO Bass Guitar Amplifier
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10. BASS: Use this to adjust the low
frequency level of the amplifier.
This provides up to 12 dB of boost,
or 12 dB of cut at 50 Hz. The low
frequency output is flat at the center
position.
11. MIDRANGE: Use this to adjust the
midrange frequency level of the
amplifier. This provides up to 15 dB of
boost, or 15 dB of cut at the center
frequency selected by the frequency
control [12]. The midrange frequency
output is flat at the center position.
Rotate the control counter clockwise
for a “contoured” sound (more distant,
less midrange output) or clockwise for a
sound which really cuts through.
12. FREQUENCY: This control allows you to
select the center frequency for the
midrange control [11], giving you a
choice of five “voices” for the midrange.
The numbers correspond to the
following center frequencies: 1=220 Hz,
2=450 Hz, 3=800 Hz, 4=1.6 kHz,
5=3 kHz.
13. TREBLE: Use this to adjust the high
frequency level of the amplifier. This
provides up to 14 dB of boost, or
19 dB of cut at 5 kHz. The high
frequency output is flat at the center
position.
14. BRIGHT: When this switch is engaged, a
more lively top end response [+6 dB at
2 kHz] is added to the input signal.
15. GRAPHIC EQ: When this switch is
engaged, the 9-band graphic EQ is
enabled. A footswitch overrides this
switch.
16. LINE OUT LEVEL: This controls the
strength of the signal at the line out
jacks [40, 41, 44, 45].
17. EFFECTS BYPASS: When this switch is
engaged, the effects loop is bypassed.
A footswitch overrides this switch.
18. LIMIT DEFEAT: The SVT-4 PRO employs
internal limiter circuits to help keep
the power amplifier’s output clean at
extreme volume levels. (All amplifier’s
may begin to clip their output signals as
they approach maximum output levels,
resulting in potentially speaker-damaging
distortion.) These circuits may be
defeated by engaging this switch, which
may result in an increase in output
power but with the possibility of
distortion. Use discretion whenever
playing with the limit circuits defeated.
19. MASTER: Use this to control the
overall output level. Use it wisely and
turn it down when making connections
or trying something new.
20. LIMIT LED: This LED will flash any time
the internal limit circuit is called upon to
keep the amplifier’s output signal clean.
This indicates that the amplifier is
nearing full output and the limiter is
keeping it from clipping the output
signal.
The Front Panel continued
9


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