Crown CH2 Manuel d'utilisateur télécharger pdf (Page 5)

Page 5

NOTES REGARDING LIMITER SETTINGS

• The recommended limiter threshold settings provide 3 dB of headroom before the

component or bandpass peak voltage is reached.

• The component or bandpass peak voltage is 6 dB above the voltage used at continuous

maximum power.

• These settings assume the use of a I-T amplifier in stereo mode with input sensitivity of

1.3V for a voltage gain of 36 dB.

• If a different amplifier is used or if the input sensitivity is changed, the limiter threshold

must be re-calculated.

• Not all DSP controllers behave the same way. Please study your unit accordingly.

• Users must take into consideration that the digital controller gain outputs are not all “0”

dB, i.e. for VT4889/4880, the VLF is at +6 dB, the LF is at 0 dB, the MF is at -2.5 dB and

the HF is at –4 dB. Hence, the actual headroom before limiter threshold is effectively

greater than it may seem from the above charts.

• Users should carefully test these settings, and lower or raise the thresholds for a given

type of program material as required.

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Crown CH2 Manuel d'utilisateur Page 5