Jeff Rowland Design Group 12 owner manual Introduction, Jeff Rowland Design Group

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Introduction

Welcome to the Jeff Rowland Design Group “family” and congratulations on your purchase of what is

unquestionably one of the world’s finest audio power amplifiers. With its combination of features such as

numerous function control and interconnect possibilities, precision electronic circuitry, and accurately

machined chassis components throughout, your Model 12 Mono Power Amplifier will offer you many

years of musically satisfying enjoyment. Please take a few minutes to read the remainder of this Owner’s

Manual before proceeding with the installation of the amplifier. A thorough understanding of the operational features will allow you to gain the maximum performance and ease of use for which this

amplifier was designed. Please note that your Model 12 Mono Amplifier serial number begins with the

letter “F.” This number is recorded below and is also located on the rear panel of the chassis. Please

include this number with any correspondence regarding your Model 12 Mono Power Amplifier. It has been my joy to create an audio component of enduring value that reflects a higher ideal of musical and artistic expression. It is my hope that these qualities will enrich your experience of ownership.

Enjoy the music!

Jeff Rowland

President

Jeff Rowland Design Group

Jeff Rowland Design Group, Inc.

2911 North Prospect Street

Colorado Springs, CO 80907

Telephone: 719-473-1181

Fax: 719-633-4158

E-mail: jrdg@jeffrowland.com

Web: www.jeffrowland.com

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Contents Model Mono Power Amplifier Introduction Jeff Rowland Design GroupProduct Features Contents Initial Inspection Care, Cleaning, and Maintenance Maintenance CareAmplifier Front and Rear Panel Function Controls Amplifier Rear PanelFront Panel Rear PanelRear Panel Power Connections Power Supply Rear PanelInstallation Signal Connections and Remote 12V Remote Parallel Connection Diagram XLRParallel Connection Instructions DC Protection System Internal Function ControlsOverall Gain Model 12 Mono Power Amplifier Specifications Basic Troubleshooting Condition Cause RemedyAdditional Information Post Office Box 7231 Colorado Springs, Colorado 80933 USA

12 specifications

Jeff Rowland Design Group, renowned for its high-end audio equipment, continually pushes the boundaries of audio performance and engineering innovation. Among their flagship offerings is the Model 12, a powerful integrated amplifier that embodies the company’s commitment to excellence in sound reproduction.

The Model 12 features a sleek, minimalist design, showcasing Jeff Rowland's dedication to both aesthetics and functionality. Its elegant chassis is crafted from high-quality materials, ensuring durability while maintaining a refined look that seamlessly fits into any sophisticated audio setup. The attention to detail extends beyond the exterior, as the internal components are selected for their performance and reliability.

At the heart of the Model 12 lies advanced Class D amplification technology, which enables it to deliver high power output with remarkable efficiency. This innovative design minimizes heat generation while maximizing audio clarity, making it suitable for a variety of speaker setups. With an output of 150 watts per channel into 8 ohms, it can effortlessly drive demanding loudspeakers without sacrificing sonic integrity.

One of the standout features of the Model 12 is its outstanding dynamic range, allowing it to reproduce music with striking realism and emotional depth. This amplifier ensures that even the most subtle nuances in recordings are captured, providing an immersive listening experience for audiophiles and music enthusiasts alike. The incorporation of a sophisticated power supply further enhances audio performance, stabilizing and optimizing power delivery to the amplifier’s output stage.

The Model 12 also offers a range of connectivity options, accommodating both modern digital inputs and traditional analog sources. This versatility makes it an ideal choice for users looking to integrate various media players, streamers, and even home theater systems. Its user-friendly interface and remote control capability allow for convenient operation, ensuring ease of use without compromising on performance.

In summary, the Jeff Rowland Design Group Model 12 is a testament to the company’s philosophy of creating high-performance audio solutions. With its elegant design, advanced Class D technology, and remarkable sonic capabilities, it stands as a premier choice for those seeking to elevate their audio experience to new heights. Whether for casual listening or critical evaluation, the Model 12 delivers audio fidelity that resonates with clarity and power.