Onkyo A 807 Owners Manual

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A-809/ 807

Integrated Stereo Amplifier

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C Congratulations on your purchase of the ONKYO A-809/807 Integrated Amplifier.

0 Please read this manual thoroughly before making connections and turning power on.

0 Following the instructions in this manual will enable you to obtain optimum performance
and listening enjoyment from your new A-809/807. 0 Please retain this manual for future
reference.

CONTENTS

Features 1
Important safeguards 2
Precautions..... 2
System connect ns 3
Front panel facilities 5
Operations .......... 7
Using the remote control transmitter. 9
Troubleshooting guide. 10
Specifications ........................ 1O

Features

0 simple and Direct Signal Paths
To keep the signal paths as short and direct as possible, all audio signals can be routed right into the power amplifier block via a separate
volume control. All you need do to use this simplified signal path is to set the SOURCE DIRECT switch to DIRECT. If tone compensation
is necessary. the swnch can be set to TONE to route the music signal through the direct tone circuitry It is also possible to monitor the
recorded signal when recording using TAPE-1 or TAPE-2.

0 High Quality Remote Control System
The A7809 and A-807 let you operate the input selector, muting switch and volume control oi the amplifier by remote control without
in any way diminishing the sonic purity of the music signal. The high quality sistem uses motors to drive the volume control and input
selector. The mechanical rotary switches used for the Input selector are free of the non-linearity to which conventional semiconductor
switches are susceptible. Clipetype contacts assure sure. reliable operation. ONKYO's high quality remote control system provides ease
of use while assuring the utmost in audio fidelity.

0 ONKYO Exclusive AEI Transformer
ONKYOS AEI (AntisElectromagnetlc Interference) transformer is designed to reduce distortion causing magnetic flux leakage. It boasts
a special core configuration and silicon steel shielding that results in a reduction in flux leakage to 1/10 - 1/20 the levels associated
with conventional E| transformers. During heavy loads, the AEI transformer produces even less magneticfluxthan more expensive toroidal
units. The result is lower distortion levels for purer. more musical sound.

0 Discrete Power Supplies and Sub-Transformers for Principal Circuit Blocks

0 Dual Shielded Block Construction with Two-Panel Chassis Base
The power supply block is housed separately from the block containing other amp stages in its own specially shielded enclosure. There
are even separate base panels for the two blocks. In addition the massive heat sink serves as a barrier between the power stage and the
circuttry which handles low level signals, effectively shutting out interference. This helps prevent distortion and assures that top signal
purity is maintained.

0 Opto-Drive Power Amplifier Circuitry (A-809)

0 Rigid Chassis Construction to shut Out Vibrations

0 Strictly Selected Farts Including Large Twin-Rolled Chemical Capacitors
' Charging Noise Filter

0 Heavy Duty Four-Way Speaker Terminals

CAUTION

TO REDUCE THE RISK OF ELECTRIC SHOCK. DO NOT REMOVE
COVER (OR BACK). NO USERHSERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL."

A-
&

RISK OF ELECTRIC SHOCK
DO NOT OPEN

0 The lightning flash with arrowhead symbol, Within
an equilateral triangle. lS intended [0 alert the user
to the presence at unlnsulated dangerous voltage"
within the product's enclosure that may be of suffi-
cient magnitude to constitute a risk of electric shock
to persons

0 The exclamation paint within an equilateral triangle
is intended to alert the user to the presence at imv
portant operating and maintenance (servicing) in-
structions in the literature accompanying the appli-
ance

"WARNING"
TO REDUCE THE RlSK or FIRE on ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE To RAIN on MOISTURE."

O For models having power cords with a polarized plug.

CAUTION: TO PREVENT ELECTRIC SHOCK DO NOT USE
THIS (POLARIZED) PLUG WITH AN EXTENSION cono, RE-
CEPTACLE on OTHER OUTLET UNLESS THE BLADES CAN BE
FULLY INSERTED TO PREVENT BLADE EXPOSURE

0 Sur les modeles dont la fiche est polarisée.

ATTENTION: POUR PREVENIR LEs CHOCS ELECTRIOUES
NE PAS UTILISER CETTE FICHE POLARISEE AVEc UN PRO-
LONGATEUR, UNE PRISE DE COURANT ou UNE AUTRESORTIE
DE COURANTr SAUF SI LES LAMES PEUVENT ETRE INSEREES
A FOND SANS EN LAISSER AUCUNE PARTIE A DECOUVERT.