Mackie ProFX6v3+ - Delay Parameters and Values

PROFXV3+ MULTI-CHANNEL ANALOG MIXERS WITH ENHANCED FX, USB RECORDING MODES, AND BLUETOOTH®
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From here, rotate the knob again to tweak the selected parameter’s value to your liking. Once a desired setting has been
reached, push the knob in again to confirm.
Frequency – This parameter’s value determines the frequency of the selected eect, ranging from 400 Hz to 6.0 kHz.
Width [aka “Q”] – The Q control adjusts the bandwidth of a filter. However, the Q value itself is dimensionless; it has no unit
of measurement. Some equalizers use the fractional bandwidth of the filter, measured in octaves, to express this parameter.
The two parameters are inversely related; a high Q value corresponds to a small fractional bandwidth. The following table
lists some equivalent Q and fractional bandwidth values. It ranges from 0.5 to 3.
Gain – This parameter’s value determines the amount of gain applied to the selected eect. It ranges from –8 dB to +8 dB.
LPF – Low-pass filters are utilized to cut out high frequencies. It ranges from 6.0 kHz to 8.0 kHz.
HPF – High-pass filters are utilized to cut out low frequencies. It ranges from 80 Hz to 600 Hz.
Before moving on to ‘Presets’ and ‘Reset’, let's take a quick peek at the parameters of delay, echo and slapback,
as well as their EQ settings.
Delay Parameters and Values
Q Bandwidth
(Octave)
0.7 2
.44 
2.45 2/3
2.87 /2
Parameter Low Value High Value Default Increments
Time 20 ms 000 ms 363 ms ±~0 ms
Feedback 0 3 2 ±
Hi Cut 0 00 78 ±
EQ – – – –
Frequency 400 Hz 6.0 kHz 7.9 kHz Variable
Width (Q) 0.5 3.0 0.5 ±0.
Gain –8 dB +8 dB + dB ± dB
LPF 6.0 kHz 8.0 kHz 6.0 kHz ±0.-0.2 kHz
HPF 80 Hz 600 Hz 20 Hz ±-0 Hz