3
FRONT PANEL FEATURES
Input Jacks
– Designed to accept a
standard ¼ inch mono phone plug. For best
results use a high-quality shielded cable to
connect your instrument to the amplifier.
Both inputs are buffered and will handle
standard, high level and piezo input signals.
They can be used simultaneously
Mute switch
– Mutes all outputs except
the tuner output. The indicator lights when
Mute is on.
D.I. Selector
- Selects the D.I. send in either
the Pre or Post tone position.
Input Gain Switch
– By pushing the Gain
switch in, you engage a +10db gain Boost.
For low gain instruments use the Gain
switch in the high Gain position.
Hi Gain Indicator
LED– Lights to indicate
that the unit is in the high gain position.
Warm Switch
- This switch engages the
positive half wave tube style distortion circuit. The
distortion effect is increased by adding more
gain.
Warm Trim-
Located behind the front
panel . Use a small screw driver to adjust the
level of the
effect
.
Gain Control
– Regulates the first gain
stage of the preamplifier and controls the
amount of signal available to the system.
Clip Indicator
– Flashes to indicate
clipping anywhere in the system. This
should never be lit up.
Compressor Control-
This adjusts the
threshold level of the compressor. The ratio is
fixed at an optimum point for Bass reproduction.
Compressor Indicator
– Lights to
indicate that the signal has crossed the
threshold of the compression circuit and that
compression is taking place.
Compressor Bypass
– Turning the
Compressor Control off will disengage the
compressor.
Enhance Control
– Called the “Magic
Knob” by some, this complex control
simultaneously boosts the very low bass,
upper middle, and high frequencies while
putting a dip in the lower middle frequencies.
It is flat when set to its minimum level.
Tone Control Section
Tone Control
– These three controls allow
you to boost or cut the tone at the desired
frequency. The spacing allows the controls
to interact smoothly and musically.
.
Bass
– This traditional shelving tone control
provides 15 dB of boost or cut at approx. 30
Hz. The control is flat in the 12:00 position.
Mid Range Control-
This covers the central
portion of the sound envelope and can be critical
to getting your sound right. The body of the Bass
sound is in the mid range.
Mid Shift Control
– Provided to shift the
midrange control from low mid (550Hz) for
general playing and recording to the high
mid position (2.2K) for Rock and more
aggressive tones.
Tone Bypass Control
– Located beneath
the tone control. A great tool for recording.
This bypasses the tone section only and
does not effect the boosters or the
compressor.
Treble
– This is a traditional shelving-type
tone control. It provides 15 db of boost or
cut. The knee of the filter is at approximately
2KHz. The control is flat at the 12: 00
position.
Master Level Control
– Adjusts overall
system output and stage loudness.
Headphone Jack
– It accepts a standard
¼ stereo or mono headphone plug. It can
also be used as a Master output send to
slave another amplifier.
Output Limit Indicator
– Lights to
indicate activity of the power amplifier
limiting circuit, which protects the speaker
system from severe distortion. This LED
indicates that the amplifier has reached its
maximum output level.
