Unpacking; Speaker Placement And Preliminary Topics - Audiolab 8000AP User Instructions

1: Preliminaries

Unpacking

Unpack the product fully. The carton should contain:
( The Audiolab 8000AP integrated amplifier
( One IEC power cord suitable for your area
( One Remote Handset with two AAA batteries
( This instruction manual.
If any item is missing or damaged report this to your dealer as
soon as possible.
Retain the packing for future safe transport of your amplifier. If
you dispose of the packing, do so with regard to any recycling
regulations in your area.
Placement
Place the processor on a sturdy shelf or table.
The 8000AP is designed to run warm during normal
operation - even when put into standby.
Do not place anything on top of the unit. If you are using an
equipment rack ensure the 8000AP has sufficient space to
allow adequate ventilation and is on its own shelf.
Before you connect the 8000AP to the mains, ensure your
mains voltage corresponds to the rating plate on the rear of
the product. If in doubt, consult your dealer. If you move
house to an area which has a different mains voltage seek
advice from an Audiolab appointed dealer or a competent
service technician.
Make sure you locate the unit so that the front panel is in view
as otherwise the infrared-remote handset will not work.
Before Starting
Your 8000AP 's performance is determined by the care you
take in setting your system up: not merely the processor but all
connected sources, amplification and loudspeakers.
Before setting up your processor, review all the handbooks for
your existing equipment and confirm that those items are set
up correctly. Have a variety of music and video software on
hand - you will need them. You will also need a tape measure,
and ideally a sound level (SPL) meter.
Loudspeaker Placement
The 8000AP is a 7.1 channel processor. It allows the
connection of seven channels: front left, front centre, front
right, surround left, surround right, back left and back right,
plus a subwoofer channel.
All speakers (with the exception of the subwoofer) should be
arranged around your normal viewing/listening position.
Don't worry if you are unable to position your speakers at
ideal distances from your preferred listening position, the
8000AP can be set up to take account of different distances.
The subwoofer can be placed almost anywhere, but we
recommend you experiment to obtain the best result.
Here is the Dolby Labs recommended speaker placement for
7.1 channel reproduction. Speaker placement is important
and dependent on room circumstances but this layout is a
very good starting point. If you are using a 5.1 or 6.1 layout,
adjust accordingly. (If you are using back channels, we
strongly recommend that you use a 7.1 layout with two rear
speakers rather than a 6.1 layout which only uses one.)
LFE
L C
22º
Ls
135º
150º
Lb Rb
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Phase
Phase is critical in a multi-channel environment. Make sure
that your loudspeakers are properly connected.
If you are using different amplifiers:
Some power amplifiers invert the phase - in a mixed system it
is just possible that even if all the loudspeakers are properly
connected one or more may be out of phase.
All Audiolab power amplifiers are phase coherent so even if
you are using different series, the loudspeakers will always be
in phase. provided they are properly connected.
Some subwoofers have adjustable phase control, others have
a phase inverting switch. You may have to use these controls
during the setup procedure. Consult the subwoofer
handbook for more information.
Gain and Efficiency
The 8000AP is adjustable across a wide range of volume
levels so differences in gain (in power amplifiers) and
efficiency (in loudspeakers) can be fully compensated. All
Audiolab amplifiers, irrespective of their output power feature
the same gain parameters.
R
Try not to set the subwoofer input volume too high or you may
overload the input. Again refer to your subwoofer handbook.
30º
90º
Rs
110º