Rotel RA-985BX About Rotel, Getting Started, Contents circled numbers refer to illustration

STEREO INTEGRATED AMPLIFIER RA-985BX

Contents (circled numbers refer to illustration)

About Rotel __________________________________________ 1

Getting Started ______________________________________ 1

A Few Precautions	2
Placement	2
Cables	2

AC Power and Control _______________________________ 2

AC Power Input 24		2
Power/Standby Switch 1	and Power Indicator 2	3
Auxiliary Power Outputs	23	3

Input Signal Connections 15 __________________________ 3

Recorder Connections 16 _____________________________ 3

Second Zone Output Connection 17 __________________ 3

Preamp/Power Amp Jumpers 18 _____________________ 3

Cassette Remote Connector 19 _______________________ 3

Remote Sensor Extension System 20 _________________ 4

Speaker Outputs 21 and 22 __________________________ 4

Speaker Selection	4
Speaker Wire Selection	4
Polarity and Phasing	4
Speaker Connection	4

Front Panel Controls __________________________________ 4

Volume Control 10			4
Balance Control	11		4
Tone Defeat Switch		9	4
Bass Control 7	and Treble Control 8		4
Speaker Selector Switch 5			5
Listening Selector 14			5
Recording Selector		12	5
Phones Output	6		5
Remote Sensor	4		5

Second Zone Operation _______________________________ 5

Rec/Zone Button 28 and Zone Indicator 13	5
Source Selector Buttons 27	5
Zone Volume Buttons 31	5

RR-927 Remote Control _______________________________ 6

Reprograming 6

Other Remote Control Functions ______________________ 6

Standby Power Buttons 25	6
Mute Button 26	6
Tuner Control Buttons 29	6
Numeric Direct Access Buttons 30	6
Volume Control Buttons 32	6
Cassette Recorder Control Buttons 35	6
Surround Sound Processor Buttons 34	6
CD Player Control Buttons 33	6

Protection Circuitry 3 _______________________________ 7

Troubleshooting ______________________________________ 7

Standby Power Indicator Is Not Lit	7
Fuse Replacement	7
No Sound	7
Protection Indicator Is Lit	7

Specifications _______________________________________ 52

About Rotel

A family whose passionate interest in music led them to manufac- ture high fidelity components of uncompromising quality founded Rotel over 30 years ago. Through the years that passion has re- mained undiminished and the family goal of providing exceptional value for audiophiles and music lovers, regardless of their budget, is shared by all Rotel employees.

The engineers work as a close team, listening to, and fine tuning each new product until it reaches their exacting musical stan- dards. They are free to choose components from around the world in order to make that product the best they can. You are likely to find capacitors from the United Kingdom and Germany, semi conductors from Japan or the United States, while toroidal power transformers are manufactured in Rotel’s own factory.

Rotel’s reputation for excellence has been earned through hun- dreds of good reviews and awards from the most respected re- viewers in the industry, who listen to music every day. Their comments keep the company true to its goal – the pursuit of equipment that is musical, reliable and affordable.

All of us at Rotel thank you for buying this product and hope it will bring you many hours of enjoyment.

Getting Started

Thank you for purchasing the Rotel RA-985BX Stereo Integrated Amplifier. When used in a high-quality music audio system, it will provide years of musical enjoyment.

The RA-985BX is a full featured, high performance component. All aspects of the design have been optimized to retain the full dy- namic range and subtle nuances of your music. The RA-985BX has

ahighly regulated power supply incorporating a Rotel custom-de- signed toroidal power transformer and custom-made slit foil ca- pacitors. This low impedance power supply has ample power reserves, which enables the RA-985BX to easily reproduce the most demanding audio signals. This type of design is more expen- sive to manufacture, but it is better for the music.

The printed circuit boards (PCB) are designed with Symmetrical Circuit Traces. This insures that the precise timing of the music is maintained and faithfully recreated. The RA-985BX circuitry uses metal film resistors and polystyrene or polypropylene capacitors in important signal paths. All aspects of this design have been ex- amined with the final goal being faithful reproduction of music.

6