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H. GAIN - Adjusts the preamp signal level. Use GAIN to
balance the volume levels between the two channels
while maintaining the optimal signal–to–noise ratio as
indicated by the CLIP LED:
CLIP LED - Indicates when the preamp, tone circuits,
or output buffer are overdriven (clipping) and causing
signal distortion. The best GAIN setting for minimum
distortion is indicated when CLIP barely flashes at
peak channel input levels (maximum signal strength).
This clipping is not harmful to your amplifier, therefore,
reduce GAIN for unwanted distortion. Check the CLIP
LEDs after adjusting tone or Reverb controls, as they
contribute to the GAIN level.
GAIN also controls the level of all rear panel output
jacks, including EFFECTS SEND {Y} and can be used
to optimize external equipment connections such as
an effects device that is being overdriven (you may
need to adjust other levels to compensate for GAIN
changes). NOTE: If you still hear distortion even at low
GAIN settings (CLIP LED not flashing), check your
guitar battery.
I.
PUSH PHASE - Reverses the input/output phase of
each channel which may reduce "regenerative"
feedback occurring at a particular distance from the
amplifier. If an instrument or microphone feedback,
reverse the phase of that channel or change your
position/distance from the amplifier.
J. AURAL ENHANCER - Featured on just about every
SWR
amplifier since the company's inception in
®
1984, it is a trademark part of the "SWR Sound"
people have come to know and love. It was developed
to bring out the fundamental notes of the guitar,
enhance the high-end transients, and reduce certain
frequencies that "mask" the fundamentals. The
ultimate effect is a more transparent sound that opens
up the sibilance characteristics of all instruments
without being harsh.
How the AURAL ENHANCER works: Think of it as a
variable tone control that changes frequency range
AND level according to where you set the AURAL
ENHANCER control:
As you rotate the control clockwise from the "MIN"
position, you are elevating low, mid, and high
frequency levels in ranges that are different, yet
complementary to the BASS, MID and TREBLE tone
controls. The "2 o'clock" position—a favorite for many
users—brings out both low end fundamentals and
crisp highs while at the same time, adds a little lower
midrange helping you to cut through the band. Then,
as you rotate further clockwise, selected mids will
drop off—specifically, a group of frequencies centered
around 200Hz. While apparent, these curves are
gentle, as opposed to the extreme effects you can
create with the basic tone controls.
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Your ears are the best judge when it comes to settings
that affect the tone of your instrument. Theories are
meaningless if the sound doesn't satisfy! So, play a
chord, a repeated lick, or a harmonic, and turn the
AURAL ENHANCER control to various points on the
knob to hear it for yourself.
K. BASS - Adjusts the low-frequency response of each
channel. Centered at 110Hz, this range provides
fullness as well as the punch to your sound. The BASS
control has no affect at "0."
L. MID RANGE - Adjusts middle-frequency response of
each channel. Centered at 800Hz, this range creates a
distinctive edge in your sound which is critical for
most instruments. The best setting will depend on the
situation and setting—a MID RANGE setting that
sounds harsh when alone may sound just right in a
crowded room or on a recording. MID RANGE has no
affect at "0."
M. TREBLE - Adjusts high-frequency response of each
channel. Centered at 3.2kHz, this range adds the
bright sparkle to your sound and can bring a dull
instrument to life. Because high-frequencies are
"directional" by nature, it is important to listen from
different angles to find the best TREBLE setting and
the optimum placement for your amplifier. TREBLE
has no affect at "0."
N. EFX BLEND - Controls the level of your effects loop,
or more precisely, the ratio of external effects loop
(wet) signal, to internal amplifier (dry) signal for each
channel. Used in conjunction with the rear panel
Effects Loop jacks, EFX BLEND is enabled when a
1/4"
phone
RETURN {S}.
O. REVERB - Adjusts the level of Reverb for both
channels.
P. REVERB DEFEAT - Disables REVERB for each
channel:
REVERB ON
Q. MASTER VOLUME - Adjusts the overall loudness of
of the amplifier after all other controls are set.
R. POWER SWITCH - Switches power on-off to the
amplifier as indicated by the LED.
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REVERB OFF (DEFEATED)
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