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Caution:
Any changes or modifications not expressly approved by the party responsible for
compliance may void the user’s authority to operate the equipment.
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Note:
It is recommended that all audio cables used to connect to the AVT150 Combo, AVT150H
Head or AVT275 are of a high quality screened type. These should not exceed 10 metres in
length. Always use a Marshall approved speaker lead with the AVT150H Head and extension
cabinets.
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WARNING:
Do not obstruct ventilation grilles and always ensure free movement of air around
the amplifier!
USA ONLY - DO NOT
defeat the purpose of the polarised or grounding type plug. A
polarised plug has two blades with one wider than the other. A grounding type plug has two
blades and a third grounding prong. The wide blade or the third prong is provided for your safety.
When the provided plug does not fit into your outlet, consult an electrician for replacement of the
obsolete outlet.
FOLLOW ALL INSTRUCTIONS AND HEED ALL WARNINGS
KEEP THESE INSTRUCTIONS !
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WARNING! - Important safety instructions
WARNING: THIS APPARATUS MUST BE EARTHED!
A PLEASE
read this instruction manual carefully before switching on.
B ALWAYS
use the supplied mains lead, if a replacement is required please contact your
authorised Marshall Dealer.
C NEVER
attempt to by-pass the fuses or fit ones of the incorrect value.
D DO NOT
attempt to remove the amplifier chassis, there are no user serviceable parts.
E Refer all servicing to qualified service personnel including replacement of fuses and
valves.
Servicing is required when the apparatus has been damaged in any way, such as
the power supply cord or plug is damaged, liquid has been spilled or objects have fallen into
the apparatus, the apparatus has been exposed to rain or moisture, does not operate
normally or has been dropped.
F NEVER
use an amplifier in damp or wet conditions.
No objects filled with liquids should be
placed on the apparatus. When cleaning, only use a dry cloth.
G ALWAYS
unplug this apparatus during lightning storms or when unused for long periods of time.
H
Protect the power cord from being walked on or pinched particularly at plugs, convenience
receptacles and at the point where they exit from the apparatus.
I DO NOT
switch the amplifier on without the loudspeaker connected.
J ENSURE
that any extension cabinets used are of the correct impedance.
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EUROPE ONLY - Note:
This equipment has been tested and found to comply with the
requirements of the EMC directive (Environments E1, E2 and E3 EN 55103-1/2) and the Low Voltage
directive in the E.U.
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EUROPE ONLY - Note:
The Peak Inrush current for the AVT150, AVT150H & AVT275 is 32 amps.
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC rules.
These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio frequency energy and,
if not installed and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
◆ Reorient or relocate the receiving antenna.
◆ Increase the separation between the equipment and the receiver.
◆ Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
◆ Consult the dealer or an experienced radio/TV technician for help.
