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® Congratulations on your purchase of the ONKYO A-87 90/8770 Integrated Amplifier.
@ Please read this manual thoroughly before making connections and turning power on.
@ Following the instructions in this manual will enable you to obtain optimum performance
and listening enjoyment from your new A-8190/8170.
@ Please retain this manual for future
reference.
CONTENTS
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Features
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@ Pienty of Clean Power
A-8190: 100 watts per channel into 8 ohms with no more than 0.008% total harmonic distortion.
(2 x 303 watts at 2 ohms dynamic
power)
A-8170: 80 watts per channel into 8 ohms with no more than 0.008% total harmonic distortion.
(2 x 224 watts at 2 ohms dynamic
power)
CD Direct Switch
Onkyo's "direct in" design philosophy, which aims at keeping the signal path as short and unencumbered by unnecessary tone controls
as possible, is fully in evidence in the A-8190/A-8170. All of the input signals benefit from the ingenious circuit design which cuts the
number of switches in the signa! path to an absolute minimum.
tn addition, the "CD Direct" switch bypasses all of the preamp section's
tone control circuitry and switches including the common
volume control and input selector. The CD player's output signal is routed
through its own fourgang volume contro! separate from that used by the other components and then straight into the power amp section.
Video input Capability
The A-8190/A-8170 comes with two video inputs (video disc player and VCR) and one video output for a TV monitor. The video signa!
path is entirely separate from the audio circuitry and is all located as close to the video input/output pin jacks as possible so as not to
cause interference
to keep the picture sharp and clear, no video amplifier is used.
Signal In-Phase
Filters
The purpose of these filters is to prevent unwanted sonic colorations and interference, whether with analog or digital sources. They
work by reducing common mode electrical noise while maintaining phase fidelity. This is achieved without resorting to increased negative
feedback.
@
Reali Phase" Circuitry (A-8190)
Important safeguards
——Er
ee
re ee eee
WARNING
"TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE."
CAUTION
"TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE
COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL."
@®
For models having power cords with a polarized plug.
"CAUTION":
"TO PREVENT ELECTRIC SHOCK DO NOT USE THIS (POLAR-
IZED) PLUG WITH AN EXTENSION CORD, RECEPTACLE OR
OTHER OUTLET UNLESS THE BLADES CAN BE FULLY IN-
SERTED TO PREVENT BLADE EXPOSURE."
ATTENTION
FOR
BRITISH
& EUROPEAN
MODELS
WHEN
REPLACING
OR MOUNTING
THE AC PLUG ON THE
POWER
SUPPLY
CORD
OF THIS
UNIT:
@
Repiacement and mounting of an AC piug on the power cord
of this unit should be performed only by qualified service per-
sonnel.
@
IMPORTANT: The wires in this mains lead are coloured in ac-
cordance with the following code:
Blue:
Neutral
Brown:
Live
As the colours of the wires in the mains lead of this apparatus may
not correspond with the coloured markings identifying the terminals
in your plug, proceed as follows:
The wire which is coloured blue must be connected to the terminal
which is marked with the letter N or coloured black.
The wire which is coloured brown must be connected to the terminal
which is marked with the letter L or coloured red.
Observe the following precautions to obtain troublefree perform-
ance for many years.
1. Avoid places subject to direct sunlight or extremely hig h or low
temperatures.
2. Avoid damp or dusty places and places directly affected by
vibrations from the speakers. In particular, avoid placing the
unit on or above one of the speakers.
3. Avoid unstable locations and high places from which the unit
could fall.
4. Ventilation — The unit should be situated so that its location
or position does not interfere with proper ventilation.
For ex-
ample, the unit should not be placed on a bed, sofa, rug of
similar surface that could block the ventilation openings or
placed in a built-in installation, such as a bookcase or cabinet,
that could impede the flow of air through the ventilation
openings.
5. Heat — The unit should be situated away from heat sources
such as radiators, heat registers, or other appliances (jmcluding
amplifiers) that produce heat.
6. Cleaning of the interna! parts should be performed oraly by
qualified service personnel.
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