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Contents
Integrated Amplifier
Introduction.................................... 2
A-9755/A-9555
Instruction Manual
Connections ................................. 10
Enjoying Audio Sources.............. 14
Thank you for purchasing an Onkyo Integrated Ampli-
Troubleshooting........................... 18
fier. Please read this manual thoroughly before making
connections and plugging in the unit.
Following the instructions in this manual will enable
you to obtain optimum performance and listenin
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WARNING: WARNING AVIS RISK OF ELECTRIC SHOCK RISQUE DE CHOC ELECTRIQUE TO REDUCE THE RISK OF FIRE OR ELECTRIC DO NOT OPEN NE PAS OUVRIR SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within CAUTION: the product’s enclosure that may be of sufficient TO REDUCE THE RISK OF ELECTRIC SHOCK, magnitude to constitute a risk of el
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Precautions 1. Recording Copyright—Unless it’s for personal use For British models only, recording copyrighted material is illegal with- Replacement and mounting of an AC plug on the power out the permission of the copyright holder. supply cord of this unit should be performed only by 2. AC Fuse—The AC fuse inside the unit is not user- qualified service personnel. serviceable. If you cannot turn on the unit, contact IMPORTANT your Onkyo dealer. The wires in the mains lea
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Table of Contents Features A-9755 Integrated Digital Amplifier Introduction ❑ 150 W/Ch into 8 ohms, DIN/300 W/Ch into 4 Important Safety Instructions .................. 2 ohms, JEITA Precautions ............................................... 3 ❑ Exclusive Onkyo VL Digital Technology Table of Contents...................................... 4 Features ..................................................... 4 ❑ Pure Stream P
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Supplied Accessories Make sure you have the following accessories: Installing the Remote Controller’s Batteries Remote controller & two batteries (AA/R6) To open the battery compartment, press 1 the small hollow and slide open the cover. A-9755: RC-636S A-9555: RC-627S Power cord Insert the two supplied batteries (AA/R6) 2 in accordance with the polarity diagram inside the battery compartment. (Power cord varies from country to country) In catalogs and on packaging, the letter
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Front & Rear Panels Front Panel (A-9755 only) 1234 5 6798A 0 B C This illustration is for A-9755. For detailed information, refer to the pages in parentheses. A POWER switch (14) I PURE DIRECT button and indicator (16) This is the main power switch. When set to OFF, the This button turns the PURE DIRECT function on A-9755/A-9555 is completely shutdown. When set and off. The indicator lights up when the PURE to ON, the A-9755/A-9555 can be set to On or DIRECT
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Front & Rear Panels—Continued Rear Panel 1 2 3 4 5 This illustration is for A-9755. 6 78 90ABC (A-9755 only) A Grounding terminal K LINE input This terminal is for connecting a turntable’s ground This analog audio input is for connecting a compo- wire. nent’s analog audio output (TV, etc.). B PHONO (MM) input L MAIN IN (A-9755 only) This analog audio input is for connecting a turntable This analog audio input is for connecting a separate with a moving-magnet cartridge. preamp when you want to u
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Remote Controller Note that the buttons with parenthesized numbers con- 1 trol the A-9755/A-9555, while the buttons without parenthesized numbers control other Onkyo products 2 connected to the A-9755/A-9555 via connection. Note also that some of the connected products may C not be controlled with these buttons. For detailed infor- mation, refer to the relevant manuals provided for the D 3 individual products. E A STANDBY button (14) F This button is used to set the A-9755/A-9555 to G St
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About 5 m (16 feet) Remote Controller—Continued SELECT button: Confirms the option on the HDD J REPEAT button component menu. This button is used to set the repeat playback func- []/[] buttons: Selects the option on the HDD tions on a CD, MD, or HDD component. On a cas- component menu. sette deck, the button is used to switch the repeat playback mode (single side only/both sides). K PLAYLIST [ ]/[ ] buttons Using the Remote Controller Selects a playlist stored on the player on an HDD compone
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Connecting the A-9755/A-9555 Connecting Your Speakers Speaker Connection Precautions Connecting the Speaker Cables You can connect one or two sets of speakers (A/B) to the A-9755/A-9555, and select which set outputs sound, Strip about 15 mm (5/8 15 mm 1 (5/8") or use both sets at the same time. inch) of insulation from For both speakers A and B, make sure to connect them the ends of the speaker with Left and Right in pairs. If you connect either Left cables, and twist the bare or Right c
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Connecting the A-9755/A-9555—Continued RCA Audio Connection Color Coding Before Making any Connections • Red connectors are used for the right channel, and • Always refer to the instructions that came with the white connectors are used for the left channel. component that you are connecting. Left (white) L • Do not plug in the power cord until all connec- tions have been properly made. • Do not bind audio cables with power cords and speaker cables. Doing so may adversely affect the Right (red
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Connecting the A-9755/A-9555—Continued Connecting a Tuner Connecting a Remote Interactive Dock (RI Dock) Use an analog audio cable to connect the A-9755/A-9555’s TUNER L/R jacks to the analog Use an analog audio cable to connect the audio output jacks on the tuner, as shown. A-9755/A-9555’s HDD IN L/R jacks to the RI Dock’s analog audio output jacks, and use an cable to con- nect the A-9755/A-9555’s jack to the RI Dock’s jack, as shown. OUT Connecting a Cassette Deck Remote Interactive
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Connecting the A-9755/A-9555—Continued Connecting a Preamp (A-9755 only) With (Remote Interactive), you can control your -compatible Onkyo CD player, Tuner, and so on The A-9755 can be used as a power amplifier with a with the A-9755/A-9555’s remote controller. separate preamp. • To use , you must make an analog audio con- In this case, use an analog audio cable to connect the nection between the A-9755/A-9555 and each A-9755’s MAIN IN jacks to the preamp’s output jacks. audio component. Co
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Enjoying Audio Sources Note: Turning On the A-9755/A-9555 To shut down the A-9755/A-9555 completely, set the [POWER] switch to the OFF position ( ). POWER STANDBY Selecting Speaker indicator STANDBY ON You can select which set of speakers outputs sound. OFF: Select “OFF,” if you do not connect any speaker. Press the [POWER] switch. A-9755/ 1 A: To output sound from the speakers connected to the A-9555 The A-9755/A-9555 retains the power SPEAKERS A terminals, turn the SPEAKERS selector mode (
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Enjoying Audio Sources—Continued Muting the A-9755/A-9555 (remote Listening to Components controller only) Input selector You can temporarily mute the output of the SPEAKERS selector Volume A-9755/A-9555. Press the remote controller’s 1 [MUTING] button. The A-9755/A-9555 is muted. The Volume indicator flashes. INPUT / VOLUME / To unmute the A-9755/A-9555, MUTING press the [MUTING] button again. Notes: • The Mute function will be cancelled if the remote controller’s VOLUME Turn the input se
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Enjoying Audio Sources—Continued Using the Tone Controls Loudness Control While the MAIN IN function is on, the A-9755’s tone By pressing the [LOUDNESS] button, controls have no effect. both treble and bass are reinforced when the volume is turned down low. PURE DIRECT Use this button according to the music source and according to the listening area. Its purpose is to enrich the natural sound effects of both the treble and bass. The indicator lights up when the LOUDNESS function is on. •
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Enjoying Audio Sources—Continued Using the MAIN IN Function (A-9755 Recording only) Unless you have the full consent of the You can use the A-9755 as power amplifier with a sepa- copyright holder, copyright laws prohibit rate preamp. See page 13 for connection information. using your recordings for anything other than personal enjoyment! Input selector POWER AMP DIRECT (MAIN IN) Press the [POWER AMP DIRECT 1 (MAIN IN)] button for 3 seconds until the MAIN IN indicator lights up. The MAIN IN f
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Troubleshooting If you have any trouble using the A-9755/A-9555, look for a solution here. If you can’t resolve the issue yourself, contact your Onkyo dealer. Power Can’t turn on the A-9755/A-9555. • Make sure that the power cord is properly plugged into the wall outlet. (page 5) • Unplug the power cord from the wall outlet, wait ten seconds or more, then plug it in again. • By default, pressing the remote controller’s [ON] button once does not turn on all of the system components. You need to
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Troubleshooting—Continued Recording Can’t record. • The component connected to the MAIN IN jacks cannot be recorded. • When using the A-9755 as a power amplifier (MAIN IN function), recording is not possible. Others The Volume control has no effect. • When using the A-9755 as a power amplifier (MAIN IN function), the Volume control has no effect. Adjust the volume on the connected preamp instead. The Muting function doesn’t work. • When using the A-9755 as a power amplifier (MAIN IN function), the
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Specifications A-9755 A-9555 Power output: 150 W + 150 W (8 Ω , 1 kHz, DIN) 100 W + 100 W (8 Ω , 1 kHz, DIN) 300 W + 300 W (4 Ω , 1 kHz, JEITA) 200 W + 200 W (4 Ω , 1 kHz, JEITA) Dynamic power: 330 W + 330 W (3 Ω , Front) 230 W + 230 W (3 Ω , Front) 270 W + 270 W (4 Ω , Front) 200 W + 200W (4 Ω , Front) 170 W + 170W (8 Ω , Front) 120 W + 120W (8 Ω , Front) THD (total harmonic distortion): 0.08 % (1 kHz, 1 W) 0.08 % (1 kHz, 1 W) Damping factor: 25 (Front, 1 kHz, 8 Ω ) 25 (Front, 1 kHz, 8 Ω ) Input
