Equalisation (EQ) is an essential part of recording and mixing. EQ can remove or boost various parts of the audible frequency spectrum. The Red 2 EQ plugin has three sections:
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Low Mid and High Mid parametric EQ (in the centre of the plugin window)
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Low Shelf and High Shelf (either side of the Low Mid and High Mid)
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Low Filter and High Filter (far left and far right of the EQ sections)
Details of the different sections of the plugin are as follows:
Two knobs provide full control of both HIGH PASS and LOW PASS filters. Rotating the controls past the OFF position turns on the filters, and allow a continuous sweep between the frequencies indicated on the dials (36 Hz to 330 Hz for the HIGH PASS, and 3.9 kHz to 16 kHz for the LOW PASS filters).
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HIGH PASS rolls off (attenuate) all frequencies below the selected frequency.
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LOW PASS rolls off all frequencies above the selected frequency.
The low and high-frequency shelving sections provide a Cut/Boost GAIN control from -16 dB to +16 dB and a frequency sweep control.
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The LOW SHELF frequency selection ranges from 33 Hz to 270 Hz.
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The HIGH SHELF frequency selection ranges from 3.3 kHz to 15 kHz.
The centre section of the plugin window features two separate bands of parametric EQ (LOW MID and HIGH MID); each with a Cut/Boost GAIN control from -16 dB to +16 dB, a frequency sweep control, and fully variable Q (bandwidth).
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The LOW MID band’s centre frequency ranges from 40 Hz to 1.2 kHz.
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The HIGH MID band’s centre frequency covers the range of 600 Hz to 18 kHz.
Tip
In terms of EQ, 'parametric' sounds complicated, but really it just means you have full control over every parameter in those ranges (low mid and high mid). By every parameter we're referring to the band's centre frequency, Q, and gain.