Front Panel - Mark Levinson N 331 Operating Manual

Front Panel

1 STANDBY BUTTON
When power is first applied to the power amplifier (if yours is a CE-certi-
fied unit, this means plugging it in and turning on the
), the amplifier remains
switch
will bring the amplifier from
allow the power supplies to charge and all circuitry to stabilize), subse-
quent pressing of the
mode and fully
standby
extreme example) when at idle is approximately 350 watts—the equivalent
of leaving a few light bulbs on. When in
as much as 200 watts to keep the sensitive voltage gain stages warmed up
and sounding their best at all times).
To turn the amplifier
for approximately one second, until the front panel
standby button
tor light turns off. To turn off even the supervisory power supply, you must
either unplug the amplifier from the wall or (in the case of CE-certified
units only) use the rear panel
2 INDICATOR LIGHT
The indicator light
Full brightness indicates that the Nº33 is
Blinking slowly indicates the unit is in
Dimly lit indicates that the main power supply is completely off, leaving
only the supervisory supply operational.
Completely off indicates that the amplifier is not connected to the ac
mains, disengaging even the supervisory power supply.
If the amplifier will not turn on, you should check your AC connections, or
have your dealer inspect the internal fuses (which are not user-serviceable).
If yours is a CE-certified unit, you may want to check the
mains switch to ensure it is in the
R
MADRIGAL AUDIO LABORATORIES
Nº 333
DUAL MONAURAL
POWER AMPLIFIER
. Pressing the front panel
off
off to standby
button will toggle the amplifier between
standby
. Power consumption of the Nº333 (the most
on
standby
(as opposed to standby), press and hold the
off
AC mains switch
shows the operational status of your Nº333:
standby
on position.
rear panel AC mains
standby button
. After a delay of ten seconds (to
, the amplifiers still draw
. (see below)
and ready to be used.
on
.
rear panel AC
2
1
indica-
15