Audiovalve Prometheus 100 Інструкція з експлуатації - Сторінка 10
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Друкувати сторінкуPrometheus 100
power mono blocks
AUTOMATIC BIAS CONTROL FUNCTION ( ABR )
AudioValve has a unique fully automatic Bias Regulator, which can
adjust both the static quiescent current of the tubes, as well as the
dynamic current at volume level
Each power tube is controlled by an ABR.
The correct function of the ABR is shown by LEDs,
next to each power tube.
When the amplifier is correct operating, no LED is shining.
In case that any of the power tubes is faulty one of the red LEDs,
which are together at the right side of the power tubes ,
immediatly indicated.
If this happens, you have to change the power tube of this place.
After changing the power tube, the LED must be off again.
This model of amp have reversible electronical ( PTC ) use. When a
power tube like to collapse, the automatic reversible fuse open and
protect its place around the faulty power tube.
Please notice:
All handling at the open amplifier has to be done
when the main power plug is disconnected .
Work on the amplifier can only ever be done by the expert
When the amplifier is driven in a very high level output,
the ABRs are regulating the power tubes and there is sometimes a
slighty pumping shining of the LEDs - thats a normal mode and show
you the activity from the bias regulators