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PAGE 5
In this channel the bass frequencies are shaped utilizing a pair of parametric type controls.
Two rotary controls, Bass and Bass Frequency enable you to
center in on the region of lows that you wish to enhance and
boost or cut them to your desire. Just to the right of these two
controls there is a mini-toggle switch that enables you to
"Shift" the region of bass that the Bass Frequency rotary
control affects.
As you might have guessed, this mini-toggle switch lowers
the action of the control when in the down position and
shifts the region up higher when the toggle is in the up
position. So that you have complete control of the entire
range of low frequencies, the Low and High ranges of the
Bass Shift overlap at 100Hz.. This overlap occurs at 5:30
(fully cranked) on the Bass Frequency control when the Bass Shift switch is in the Low position. When the Shift is switched to High
you will find this 100Hz. overlap at 7:30 (all the way down) on the Bass Frequency control. This difference in Bass controls in the
FET channel is crucial to its tighter attack and cut-off point characteristics, which is an integral part of the FET channel's
personality...making it strikingly different in nature to the Vacuum Tube channel.
TUNABLE BASS CONTROL
MASTER CONTROL
With your instrument still connected to the appropriate jack, SLOWLY bring up the FET channel's
MASTER Control to the desired volume.
MIDDLE
MASTER
TREBLE BASS BASS FREQ.
FIELD EFFECT CHANNEL
HIGH
LOW
BASS
SHIFT
NORMAL
BASIS M 2000
ON
POWER
NNEL
BASS
BASS FREQ.
2000
HIGH
LOW
BASS
SHIFT
OUT
EQ IN
MIX MODE
BRIGHT
NORMAL
1.2K
4K
6K
8K
NOTE
HIGH
LOW
When switch
is in the "Down" position
the controls, BASS and
BASS FREQ., shape
and control frequencies from
30Hz to 100Hz.
NOTE
HIGH
LOW
When switch
is in the "Up" position the
controls, BASS and
BASS FREQ., shape
and control frequencies from
100Hz to 200Hz.
Locate the 3 mini toggle switches on the right side of this channel and set to these positions.
MINI TOGGLES
HIGH
LOW
ON
POWER
OUT
EQ IN
MIX MODE
BRIGHT
NORMAL
MIDDLE
MASTER
TREBLE BASS BASS FREQ.
FIELD EFFECT CHANNEL
BASIS M 2000
80
180
300
600 1.2K
50Hz
4K
6K
8K
COMPRESSOR THRESHOLD & FREQUENCY
3:1
5:1
OFF
Set the Field Effect Channel Compressor's Threshold and Frequency
Controls per this example, while leaving the Ratio toggle
switch in the OFF (down position.)
50%
MIX
OUTPUT LEVEL
TUBE
HI GAIN
FET
CLIP
TUBE
FET
COMPRESSION
FREQUENCY
THRESHOLD
5:1
3:1
OFF
THRESHOLD
COMPRESSION
FREQUENCY
3:1
5:1
OFF