ROTEL RKB-250 - Manual (Page 10)

10 RKB-250 Power Amplifier
About Rotel
A family whose passionate interest in music led
them to manufacture high fidelity components
of uncompromising quality founded Rotel over
40 years ago. Over the years that passion
has remained undiminished and the 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, listen-
ing 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, semiconductors from Japan or the
United States, and toroidal power transform-
ers manufactured in Rotel’s own factory.
Rotel’s reputation for excellence has been
earned through hundreds of good reviews
and awards from the most respected review-
ers 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 RKB-250
Stereo Power Amplifier. When used in a high-
quality music or home theater system, your
Rotel amplifier will provide years of musical
enjoyment.
The RKB-250 is a sophisticated two-channel
power amplifier. Discrete output devices, a
massive power supply with toroidal transformer,
premium components, and Rotel’s Balanced
Design ensure superb sound quality. High cur-
rent capability allows the RKB-250 to drive
difficult speaker loads with ease.
Contents
Important Safety instructions! .............................4
1: Controls and Connections ................................8
2: Hook-up Illustration ............................................9
Contents ............................................... 10
About Rotel .......................................... 10
Getting Started ..................................... 10
Features ............................................................11
A Few Precautions .............................................11
Placement .........................................................11
Rack Mounting ..................................................11
Rack Handles ....................................................11
AC Power and Control .......................... 12
AC Power Input ...........................................12
Power Switch
Indicator LED ..............................................12
Auto Turn On/Off Mode Selector ................12
12V Trigger Input .......................................12
12V Trigger Output ....................................12
Circuit Breaker ...........................................12
Protection Indicators ...................................12
Signal Connections ................................ 12
RCA Inputs ..................................................12
Input Level Controls ...................................13
Signal Output Link .....................................13
Speakers .............................................. 13
Speaker Selection ..............................................13
Speaker Wire Selection ......................................13
Polarity and Phasing .........................................13
Speaker Connections ...................................13
Troubleshooting .................................... 14
Front Panel Power Indicator Is Not Lit ................14
No Sound ..........................................................14
Protection Indicators are Lit ...............................14
Specifications ....................................... 14