VAC Musicbloc Master 300 iQ Operation & Maintenance Information page 6

Mono/dual stereo beam power amplifier
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create a parallel ground path that could degrade the sound of your system. Note that external grounding
systems might degrade performance.
15)
Connect the power cord to the power source indicated on the rear panel (will be either 100, 120, 220,
or 240 volts AC). Voltage conversions must be done at the factory of by an authorized VAC importer.
16)
Avoid power conditioners or power cables that float the ground pin. This is an unsafe practice, and
could result in damage to your system and lethal shock.
17)
Maximum power requirement is approximately 1000 watts. Pay close attention to power quality, and be
aware that different power cords can alter the sound.
NOTE: Do not remove and connect input cables or speaker cables while is amplifier is running. Doing so risks
damage to your loudspeakers or the amplifier.
NOTE: Do not operate the amplifier without loudspeakers or load resistors attached.
NOTE: Do not operate without the ventilation grill in place.
NOTE: Take care to keep everyone, especially children and pets, from being able to reach and touch the tubes,
which become extremely hot and could cause serious injury.
NOTE: Never touch a tube if the glass is broken. The internal structures carry high voltage and could present a
serious, possibly lethal shock. If a tube breaks, unplug the amplifier and wait 30 minutes, then remove the
tube.
NOTE: Keep flammable objects away from the amplifier.
REMINDER:
Do not remove and connect input cables or speaker cables while is amplifier is running. Doing
so risks damage to your loudspeakers or the amplifier.
REMINDER:
Do not operate the amplifier without a loudspeaker or load resistor attached.
REMINDER:
Provide adequate ventilation Failure to do so may shorten the amplifier's life, and may result in
tube failures.
6

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