Manual

88 Series Outboard / 8803 Dual EQ Issue 2
3 - EQ Section
EQ Switch
The square EQ switch beneath the input leds activates the EQ
section.
When lit, all four bands of EQ are in circuit.
When un-lit all four bands of EQ are bypassed.
This switch does not bypass the filters.
Low Frequency Band
The LF Gain control sets the cut or boost for the low frequency
band of EQ with a range of +/-18dB.
Pressing the LF Gain control switches the Low Frequency EQ band
between Bell and Shelving modes.
A led lights to indicate when Shelving is selected.
The LF Hz control sets the low frequency between 33Hz and 440Hz.
When the LF EQ band is set to Bell, pressing the LF Hz control
switches the band between Low and High Q.
A led lights to indicate the selection of High Q.
Low Q is 0.7 and High Q is 1.8.
When the LF EQ band is set to Shelving mode, pressing the LF Hz
control switches between Standard shelving mode and Resonant
shelving mode.
A led lights to indicate the selection of Resonant shelving.
In Standard mode the selected frequency will be the +/- 3dB point.
In Resonant mode, when boosting a slight extra lift occurs in
frequencies around the selected frequency, when cutting a slight
extra dip occurs around the selected frequency.
This has the effect of emphasising the selected frequency.
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