Functions and Operation

Amplitude

Amplitude settings are freely adjustable from -/+ 15 dB in proporional mode and from -/+ 20 dB in constant Q mode.

Frequency

Each channel provides five fully parametric frequency bands covering 10 Hz to 28 kHz. Each band overlaps its neighbor by one octave and can be independently acti- vated and deactivated.

The following frequency bands are provided:

LF (Low Frequencies):

10 Hz - 235 Hz

LMF (Low Mid Frequencies):

35 Hz - 720 Hz

MF (Mid Frequencies):

330 Hz - 7.1 kHz

HMF (High Mid Frequencies):

670 Hz - 16 kHz

HF (High Frequencies):

1.2 kHz - 28 kHz

Bandwidth

Bandwidth is adjustable between 0.1 and 3.7 Q in proportional Q mode and between

0.7and 15 Q in constant Q mode. The extremely high maximum bandwidth in constant Q mode enables tight, selective control in precision applications.

Illuminated keys

The PQ features illuminated keys that illuminate brightly when activated. The final software version will provide dimly lit keys (25% brightness) when deactivated for ease and security of operation. The current software version (240H) switches illumi- nation off when keys are deactivated.

LF, LMF, MF, HMF and HF keys

These keys activate (key lamps lit) or deactivate (lamps off) the 10 filter bands.

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Sound Performance Lab PQ Recording Equalizer owner manual Amplitude, Frequency, Bandwidth, Illuminated keys