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Nº 331 AC mains maximum
current requirements
100V 120V 200V 210V 220V 230V 240V
Off .1 .09 .05 .047 .045 .043 .042
Standby 1.08 0.90 0.54 0.52 0.49 0.47 0.45
On, at idle 2.60 2.20 1.32 1.26 1.20 1.15 1.10
100w @ 8Ω* 7.32 6.10 3.66 3.48 3.33 3.20 3.05
200w @ 4Ω* 12.4 10.4 6.20 5.90 5.63 5.40 5.17
400w @ 2Ω* 21.5 18.0 10.8 10.3 9.80 9.40 8.98
* power ratings are continuous (rms) with less than 0.5% THD, from 20-20,000 Hz.
It is important to understand that these are worst-case requirements under severe
test conditions, which are extremely unlikely to be encountered in normal use.
The power demands that a single amplifier might conceivably make when being
used to reproduce music with actual loudspeakers are substantially lower. Still, for
the best possible performance with extremely difficult loads, we recommend in-
stalling a dedicated AC line for your amplifier.
The operating voltage of your amplifier cannot be changed by the user, and any
attempt to do so will void the warranty. If you need to change the operating volt-
age of your power amplifiers, or if the voltage indicated on the rear panel label is
not available in your area, contact your Mark Levinson dealer for assistance.
Nº 332/331 rear-panel label
DUAL MONAURAL POWER AMPLIFIER Nº 333