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MADRIGAL AUDIO LABORATORIES
R
REFERENCE
MONAURAL
AMPLIFIER
Nº 33
2
1
Front Panel
1STANDBY BUTTON
When power is first applied to the Nº33 power amplifier, and assuming the
rear panel AC mains switch is set to its on position, the amplifier remains
completely off. Pressing the front panel standby button will bring the ampli-
fier from completely off to standby. After a delay of ten seconds (to allow
all circuitry to stabilize), subsequent pressing of the power button will
toggle the Nº33 between standby mode and fully on. Power consumption
of the Nº33 when fully on and at idle is approximately 600 watts.
To turn the amplifier completely off, press and hold the standby button for
approximately one second, until the front panel indicator light turns off.
2 INDICATOR LIGHT
The indicator light shows the operational status of your Nº33:
Full brightness indicates that the Nº33 is on and ready to be used.
Blinking slowly indicates the unit is in standby.
Dimly lit indicates that the main power supply is completely off, leaving
only the supervisory supply operational.
Completely off indicates that the rear panel AC mains switch has been
turned off, disengaging even the supervisory power supply.
If the amplifier will not turn on, you may want to check the rear panel AC
mains switch
, your AC connections, or have your dealer inspect the rear-
panel fuses (which are not user-serviceable).