
6
Rev 2.0, 9/15/94
3.3 Front Panel Controls and Switches
What
Description
PWR
Yellow LED indicates power “on”.
C
LIP
Red LED fires just before the onset of clipping.
To avoid serious distortion, reduce input levels
if this indicator flashes.
I
NPUT
A
TTENUATOR
Sets input signal strength. Use this control to
reduce input levels if the clip LED flashes.
I
N
/O
UT
switch
Depressing the switch to the
I
N
position puts
the SX201 circuitry in-line. In the out position,
the balanced/unbalanced input is hard-wired to
the balanced/unbalanced output.
F
REQUENCY
(H
Z
)
Sets the center frequency for each section of the
equalizer. Each frequency control has a 5-
octave range.
B
ANDWIDTH
(
OCTAVE
)
Sets the range of frequencies that is controlled
by the equalizer. Variable from 0.05 (1/20th) of
an octave for very narrow notch filter capability,
to 3.3 octaves for very broad tone shaping
capability.
C
UT
/B
OOST
Sets the amount of cut of boost applied to the
frequencies selected with the
F
REQUENCY
and
B
ANDWIDTH
controls. Provides up to 30 dB cut
for deep notch filtering, and up to 15 dB boost
for tone shaping
.
SX201
PARAMETRIC EQ/PREAMP
668
22K
.05
3.3
-30
+15
HIGH
FREQUENCY BANDWIDTH CUT/BOOST
(Hz)
(OCTAVES)
(dB)
6K
1
0
MID
+15
-30
3.3
.05
6.3K
196
FREQUENCY BANDWIDTH CUT/BOOST
(Hz)
(OCTAVES)
(dB)
2.5K
1
0
-15dB
CLIP
PWR
ATTENUATOR
INPUT
LOW
+15
-30
3.3
.05
512
16
0
1
150
(dB)
(OCTAVES)
(Hz)
CUT/BOOST
BANDWIDTH
FREQUENCY
OUT
IN
0
0
0