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8 0 0 8 A N D I R I D I U M U S E R G U I D E
©2012 Indy Audio Labs, LLC all rights reserved / Revision20130220
Document No. 1000571
system planning
and optimizing
In order to experience the best performance from your
amplifier, the entire system needs to be planned and
components carefully selected to work together. Your
authorized Aragon dealer is trained to be able to help
you ensure your components are selected and matched
to work well together.
The following are some helpful guidelines to ensure your
Aragon amplifier is well-matched to the other compo-
nents in your system.
1. Quality loudspeakers can have a dramatic impact
on overall sound quality in a system for a given
room environment. When planning or upgrading
a system, as a rule of thumb, we recommend
budgeting for loudspeakers at or somewhat above
the price range of your amplifier electronics.
Your Aragon dealer will be able to advise you on
best loudspeaker selection for your electronics,
your environment, and, most importantly, your
listening preferences.
2. Using higher-efficiency loudspeakers (87dB/W/m or
greater) will reduce the average amount of ampli-
fier power consumed to produce a target listening
loud- ness. This effectively helps reserve greater
peak amplifier power when loud musical transient
passages are reproduced.
3. High-power amplifiers (over 100W continuous into
8 ohms) are generally OK to pair with speakers with
slightly lower power ratings, particularly if subwoof-
ers are involved. Higher-power amplifiers will tend
not to go into clipping distortion as readily as lower-
powered amplifiers or receivers. Clipping is a type
of distortion that is prone to damage loudspeakers.
4. Preamps should be chosen with output voltage
swing capability equal to or greater than the ampli-
fier sensitivity spec for full rated power output (for
example, 1.72V for full rated output). Similarly, an
ideal preamp choice has a noise spec less than or
equal to that of the power amplifier.
5. Well-designed computer-based audio sources
should have isolated grounds in order to avoid
hum and buzz associated with connecting audio
systems with typical digital system power supplies.
Your Aragon dealer can recommend good quality
components that meet these criteria.
6. Systems with cable TV or sattelite source com-
ponents may need isolation transformers or other
ground isolation devices (such as the Mondial
“MAGIC” box) in order to reduce or eliminate hum
due to ground loops.
making system
connections
Your Aragon amplifier is designed for simple, reliable
connections in a variety of system configurations.
Following the instructions below will ensure optimal
performance from your amplifier.
Speaker Outputs
Use a high-quality speaker cable with sufficient gauge
wire for the loudspeaker run length. Be sure to observe
consistent speaker polarity connections (plus (+) and
minus (-) speaker leads) from amplifier to loudspeaker.
Aragon amplifiers are non-polarity inverting.
Physical connection options supported include bare
wire, single banana post, dual banana post, spade con-
nector and wire lead.
Avoid connecting or disconnecting
loudspeaker wires with the amplifier in the
“On” state (blue status light) as damage to
the amplifier could occur.
