Table of Contents

 

Introduction

 

 

Important Safety Instructions

2

Precautions

3

Table of Contents

4

Features

4

Supplied Accessories

5

Connecting the Supplied Power Cord

5

Installing the Remote Controller’s

 

Batteries

5

Front & Rear Panels

6

Front Panel

6

Rear Panel

7

Remote Controller

8

Using the Remote Controller

9

Connections

 

 

Connecting the A-9755/A-9555

10

Connecting Your Speakers

10

Before Making any Connections

11

Audio Components

11

Connecting a Turntable

11

Connecting a CD Player

11

Connecting a Tuner

12

Connecting a Cassette Deck

12

Connecting an MD Recorder

12

Connecting a Remote Interactive Dock

(RI Dock)

12

Connecting a TV or Other Component

with an Audio Output

12

Connecting a Preamp (A-9755 only)

13

Connecting

Components

13

Enjoying Audio Sources

 

Turning On the A-9755/A-9555

14

Selecting Speaker

14

Listening to Components

15

Muting the A-9755/A-9555 (remote

 

controller only)

15

Using Headphones

15

Using the Tone Controls

16

Setting the PURE DIRECT Function....

16

Adjusting the Bass

16

Adjusting the Treble

16

Loudness Control

16

Using the MAIN IN Function (A-9755

 

only)

17

Recording

17

Others

 

 

Troubleshooting

18

Specifications

20

Features

A-9755 Integrated Digital Amplifier

150 W/Ch into 8 ohms, DIN/300 W/Ch into 4 ohms, JEITA

Exclusive Onkyo VL Digital Technology

Pure Stream Power Supply (2 Transformers)

All Discrete Output Stage Circuitry

Low-Impedance, Thick Bus Plate

Optimum Gain Volume Circuitry

Audiophile-Grade Capacitor

Precision Motor Volume Control

Tone Control (Bass, Treble, Loudness On/Off)

Pure Direct Mode

Discrete Phono Equalizer

7 Gold-Plated Audio Inputs and 2 Outputs

Main In Terminal

Blue Illuminated Volume Control

Hi-Rigidity, Anti-Resonant Chassis and Brass Stabilizers

Gold-Plated, Banana Plug-Compatible Transparent Speaker Terminals

Heavy-Duty Power Cord

Compatible with RI Dock for the iPod

RI (Remote Interactive) Remote Control

A-9555 Integrated Digital Amplifier

100 W/Ch into 8 ohms, DIN/200 W/Ch into 4 ohms, JEITA

Exclusive Onkyo VL Digital Technology

Pure Stream Power Supply

Discrete Output Stage Circuitry

Low-Impedance, Thick Bus Plate

Optimum Gain Volume Circuitry

Precision Motor Volume Control

Tone Control (Bass, Treble, Loudness On/Off)

Pure Direct Mode

Discrete Phono Equalizer

7 Audio Inputs and 2 Outputs

Hi-Rigidity, Anti-Resonant Chassis

Aluminum Volume and Selector Knob

Banana Plug-Compatible Speaker Terminals

Compatible with RI Dock for the iPod

RI (Remote Interactive) Remote Control

4

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Onkyo 9555, A-9755 instruction manual Table of Contents, Features

A-9755, 9555 specifications

The Onkyo 9555 and A-9755 are two notable models in the world of high-fidelity audio, representing a blend of technological innovation and classic design principles that appeal to audiophiles and casual listeners alike.

The Onkyo 9555 integrates a powerful amplifier with advanced features suitable for both home theater systems and stereo setups. One of its main highlights is the incorporation of a high-current amplifier design, which ensures optimal driving power for various speakers, making it capable of delivering clear sound even at high volumes. With a RMS power output typically ranging from 50 to 100 watts per channel, it provides a robust performance that can fill larger rooms with immersive audio.

Equipped with a range of input options including digital coaxial and optical inputs, as well as traditional analog connections, the Onkyo 9555 offers flexibility for connecting multiple audio sources. The inclusion of a built-in phono stage also allows for direct connection of turntables, catering to vinyl enthusiasts who appreciate the warmth and character of analog sound. The model features customizable equalization settings, enabling users to tailor their listening experience to personal preferences or room acoustics.

Similarly, the A-9755 carries forward Onkyo’s commitment to superior sound quality, further enhancing user experience with its sophisticated circuitry. Notably, the A-9755 employs a highly precise 192 kHz/24-bit DAC, elevating digital audio playback to a new level of clarity and detail. This is complemented by a variable loudness control, which adjusts frequency response based on listening levels, ensuring consistent sound quality whether you're enjoying soft background music or cranking up the volume for a party.

Both models are designed with solid build quality and user-friendly interfaces, often featuring rotary knobs and clearly labeled buttons that enhance usability. Additionally, the aesthetically pleasing design fits well in both modern and traditional environments.

In conclusion, the Onkyo 9555 and A-9755 are strong contenders in the high-fidelity audio market, offering powerful amplification, versatile input options, and advanced technologies catering to diverse listening preferences. Whether for critical listening or casual enjoyment, these models are worthy of consideration for anyone looking to elevate their audio experience.