Jeff Rowland Design Group 12 owner manual Front Panel, Rear Panel

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Amplifier Front and Rear Panel Function Controls

Before attempting any system interconnection, please familiarize yourself with the front and rear panel controls of the Model 12 Mono Power Amplifier. The descriptions below refer to the diagrams above.

Front Panel

1FRONT PANEL STANDBY/POWER BUTTON: Press this button to operate the amplifier. Press again to place the amplifier in Standby mode. The small orange POWER INDICATOR LED will illuminate when the amplifier is operational. When the POWER INDICATOR LED is not illuminated, all amplifier inputs are muted and internal circuitry reverts to power-saving (Standby) mode. Anomalous operating conditions will place the amplifier in Standby mode and will prevent the amplifier from being switched back on again until such a condition is eliminated.

To avoid spurious noises, the amplifier should never be turned on if the inputs on the rear panel are not connected.

Note: All ON/OFF power switching should be initiated ONLY with this button. The amplifier should never be disconnected from AC power without first placing the amplifier in Standby mode.

Rear Panel

(Note: If desired, the switch described below can be switched while the amplifier is operational and playing music.)

1INPUT SELECT SWITCH: This switch selects either the unbalanced

RCA inputs or the balanced XLR inputs. Note: When the RCA position is selected, pin 2 of the XLR is shorted to pin 1.

Control

Functions

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Contents Model Mono Power Amplifier Jeff Rowland Design Group IntroductionProduct Features Contents Initial Inspection Care, Cleaning, and Maintenance Care MaintenanceAmplifier Rear Panel Amplifier Front and Rear Panel Function ControlsRear Panel Front PanelPower Supply Rear Panel Rear Panel Power ConnectionsInstallation Signal Connections and Remote 12V Remote XLR Parallel Connection DiagramParallel Connection Instructions Internal Function Controls Overall GainDC Protection System Model 12 Mono Power Amplifier Specifications Condition Cause Remedy Basic TroubleshootingAdditional 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.