Contents, About Rotel, Getting Started

RKB-2100Power Ampliﬁer

Contents
Important Safety instructions!	4
1: Controls and Connections	8
2: Hook-up Illustration	9
About Rotel	10
Getting Started	10
Features	11
A Few Precautions	11
Placement	11
Rack Mounting	11
Rack Handles	11
Optional Fan Kit	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 Indicator	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 Indicator Is Lit	14
Speciﬁcations	14

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-2100 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-2100 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-2100 to drive difﬁcult speaker loads with ease.

RKB-2100 specifications

The Rotel RKB-2100 is a powerful two-channel amplifier designed for serious audio enthusiasts who demand uncompromised sound quality from their home theater or audio systems. Rotel, a name synonymous with high-fidelity audio equipment, has crafted the RKB-2100 to blend innovative technology with outstanding performance, making it a standout choice in the amplifier market.

At the heart of the RKB-2100 is its robust Class AB amplifier design, which delivers an impressive 100 watts per channel into 8 ohms. This power ensures that even the most demanding speakers can be driven with authority and finesse, providing a dynamic listening experience across a wide range of music genres and movie soundtracks. The amplifier's ability to maintain clarity and detail at high volumes sets it apart from many competitors, making it an ideal choice for both critical listening and everyday use.

One of the defining features of the RKB-2100 is its advanced power supply system, which includes a custom-designed toroidal transformer. This transformer minimizes hum and noise while providing stable power to the amplifier's output stage, ensuring consistent performance even during peak demands. Additionally, Rotel employs high-quality capacitors and tightly regulated power circuits, which further enhance the amplifier's efficiency and fidelity.

Another noteworthy characteristic of the RKB-2100 is its versatility. It boasts a variety of inputs, including both balanced (XLR) and unbalanced (RCA) connections, allowing it to integrate seamlessly into diverse audio setups. This ensures that whether you're connecting it to a high-end preamplifier or using it as part of an expansive home theater system, the RKB-2100 can accommodate your needs.

The RKB-2100 also features Rotel's proprietary technology, known as the "balanced circuit design," which helps to reduce noise and interference while preserving the integrity of the audio signal. This design is particularly beneficial in settings where long cable runs are inevitable, as it ensures that the audio quality remains pristine regardless of distance.

In conclusion, the Rotel RKB-2100 is a high-performance amplifier that embodies the brand’s commitment to excellence in sound reproduction. With its powerful output, sophisticated power supply, versatile connectivity options, and advanced noise-reduction technologies, the RKB-2100 stands out as an exceptional choice for audiophiles and home theater enthusiasts alike, promising an exhilarating listening experience that brings music and movies to life.