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Using The Controls
Spectrum Analyzer
60
120 240
500
1 2 4 8 1630
Power
Model PRE TWO
Stereo Pre-Amplifier
Phono
Spectrum Analyzer
+12
Power
Model EQ Eleven
Graphic Equalizer and
Spectrum Analyzer
EQ Rec
Monitor
EQ
Video
Audio
Pass
Left Channel
Bass
Mid Treble
-12
60
120
240
500
1
2
4
8
16
30
+12
0
-12
0
Right Channel
Bass
Mid Treble
-12
60
120
240
500
1 2 4 8 16
30
+12
0
-12
0
30 60 120 240 500 1 2 4 8 16
Tape 1-2
Tape 2-1
Line
Tape
+12
6
0
+12
6
0
kHzHzkHz
Hz
Level
L R
E.Q Sliders, cont.: These sliders are One Octave apart from one another. This corre-
sponds with the entire range of human hearing. The last page of this owner's manual
contains a chart, showing which sliders to adjust to affect the sound of various instru-
ments. For instance, the lowest note of a Bass Guitar is at 42 Hz.. By adjusting the
sliders at 30 Hz. and 60 Hz., you can raise or lower the volume of the bass guitar,
bass drum, and any other musical instruments that occupy this frequency range. In
another instance, the sound of the female vocalist occupies a frequency range from
roughly 200 Hz. to 1500 Hz.. By adjusting the sliders within this range, you can
change the tonal character of the female voice, and any other musical instruments that
occupy this frequency range.
Spectrum Analyzer Display: This provides a visual display of the relative signal
levels in each of the EQ Sliders. The Spectrum Analyzer display is divided into ten
columns of LED's which correspond to the ten EQ Sliders. You can use this display to
assist you in setting you equalzer sliders, as well as to obtain information about the
frequency content of the music as you play it through the EQ Eleven.