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Unpacking Your A 31 & Placement Guidelines
Unpacking Your A 31
Carefully remove your A 31 from its shipping carton and locate the enclosed accessories:
• AC power cord
• Two trigger wires, one with 3.5 mm mini plugs, one with a 2.5mm and a 3.5mm mini plug
While you are unpacking your A 31, inspect it thoroughly for possible shipping damage and tell
your Parasound dealer immediately if you find any evidence of shipping damage.
This would be a good time to make a copy of your sales receipt to store with the A 31’s original
packing.
Note: Please save and store both the inner and outer cartons and, most especially, the foam
packing inserts to protect the A 31 if you have to move it or ship it. You may wish to flatten the
cardboard cartons to save room in storage after cutting the taped seams on the bottom flaps.
Placement Guidelines
The A 31 will be easier to use and will last longer if you follow these simple guidelines:
• Place the A 31 on a surface that will adequately support its substantial weight.
• Use input and output cables that are long enough to leave some slack; that will enable you to
pull the A 31 out of a cabinet to check or to change connections without inadvertently
disconnecting cables.
• The A 31 should never be placed in a completely enclosed cabinet
• Place your A 31 where you can route input and output signal cables as far as possible from
any AC cords.
• Where signal cables must cross AC cords they should do so only at a 90° right angle.
Ventilation Requirements
• Always position the A 31 horizontally.
• The A 31 should never be stacked above another power amplifier.
• Do not install the A 31 in an unventilated equipment cabinet or compartment. Pockets of
stagnant hot air can build up even in a cabinet with an open front and back. A ventilation fan
such as the Parasound Zbreeze is highly recommended to prevent “hot spots” in confined
spaces.
AC Mains Voltage
NOTE: Before you plug this amplifier into an AC mains outlet:
If you live in a region with 220V-230V AC mains:
Plugging this amplifier into a 220V-240V AC mains outlet when the unit is wired internally for
115V and its main fuse rated for 115V operation will severely damage it and could put you at risk
of personal injury. If you are unsure of the internal voltage setting for this amplifier you should
have a qualified electronics technician inspect it and change it as required.
AC Voltage Rewiring Technical Information
Parasound will provide technical information which pertains to the interior of this amplifier only to
a qualified electronics technician. This restriction is for your safety as well as the correct
functioning of your amplifier.
AC Voltage Warranty Exclusion
Amplifiers set for 115V which are damaged by 220V-240V are not covered under the Parasound
Limited Warranty.
Before Making Any Audio Connections
Always turn off your A 31 and disconnect the AC cord before making or changing any input,
output or trigger wire connections. Inserting or removing an input or output cable while the A 31
and your preamp are turned on can result in a blast of sound that can damage your
loudspeakers.