Low Frequency Control
The Low Frequency control adjusts a shelving filter with a
selectable corner frequency of either 40Hz or 120Hz. The low
shelving filter designed into the Tube EQ affects all frequencies
belowthe corner frequency when applying boost or cut. In other
words, cutting at 40Hz also cuts 30Hz, 20Hz, etc. The Low
Frequency control has as range of +/- 12dB. Two ranges are
selected with the Low Shift Switch: 40Hz or 120Hz. 40Hz is
great for enhancing sub-low frequencies such as those in bass
guitars and kick drums. Cutting 40Hz can also help to Oclean
up� mixes that sound muddy or Oloose� in the low end. 120Hz is
generally the low-end for vocals, guitars and toms. Boosting
120Hz can add Oweight� or Obeef� to a week vocal and cutting it
can Othin out� a signal that takes up too much room in the low
end.
Low Shift Switch
The Low Shift switch selects the corner frequency of the Low
Frequency control. In the Oout� position the corner is 40Hz. In
the Oin� position the corner is 120Hz.
Lo-Mid Frequency Control
The Lo-Mid control is a dual concentric pot (meaning there are
two controls - one outer and one inner). The outer control is
used to select a frequency while the inner control is used to
apply +/-12dB of gain. The Lo-Mid control can cover two fre-
quency ranges depending on the position of the Shift x 10
switch. These ranges are 20Hz to 200Hz and 200Hz to 2KHz.
Lo-Mid Shift x 10 Switch
The Lo-Mid Shift x 10 switch determines the range over which
the Lo-Mid frequency control will cover. In its Oout� position, the
range is set at 20Hz to 200Hz. In its Oin� position the range is
set at 200Hz to 2KHz.
Note:YouOll notice the Low Frequency and Lo-Mid Frequency
controls overlap (meaning they cover the same frequencies).
This is intentional and is one of the powerful features of the
Tube EQ. This feature allows you the ultimate in flexibility.
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ACEC
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