Jeff Rowland Design Group owner manual 12V Remote

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Signal Connections and Remote

The Model 12 Mono Power Amplifier offers unprecedented

compatibility with associated audio components. When Connecting or disconnecting speaker or interconnect cables, it is necessary to place the amplifier in Standby mode (orange POWER INDICATOR LED on the front panel OFF).

1 If you are using balanced XLR interconnects from your preamplifier or source component, position the INPUT SELECT switch to BALANCED INPUT. If you are using unbalanced RCA interconnects, position the INPUT SELECT switch to UNBALANCED INPUT.

2Connect your interconnect cable to one input – either BALANCED INPUT or UNBALANCED INPUT.

3The PARALLEL BALANCED INPUT connector is for secondary components requiring a parallel input signal. The output from this connector is identical to the signal at the BALANCED INPUT. This connector should be used for applications such as driving a secondary amplifier for bi- or tri-amplification purposes or a powered subwoofer. For parallel connection instructions, please see the following two pages of this manual.

Note: This connection should not be used with balanced XLR to unbalanced RCA adaptors, as it will nullify the balanced audio signal throughout the entire audio chain, including source components.

4A slight mechanical click may be heard when the balanced XLR interconnect cables are correctly installed and locked. The unlocking tab (located on the input connector and labeled “PUSH”) must be pressed to disconnect the XLR interconnect cable from the amplifier.

5Unscrew the knob that secures the speaker output connector on for the SPEAKER OUTPUT and pull the securing block out far enough to allow access to the binding posts. Install the positive

(usually red) loudspeaker cable spade terminal to the positive (+) binding post and the negative spade terminal (usually black) to the negative (-) binding post. Secure the loudspeaker connection by tightening the knob securely with your fingers.

+Warning: Both positive and negative outputs are electrically

active with respect to chassis and/or system ground potential. Therefore, this amplifier cannot be used in certain loudspeaker switching configurations, such as those used in retail demonstrations. Failure to avoid these precautions can result in damage to the amplifier and will void the warranty.

12V Remote

1A 12V REMOTE ON/OFF mini-plug connector is provided on the rear panel of the power supply for remotely switching the amplifier between Operational and Standby modes. The connections on this connector parallel the electrical contacts of the FRONT PANEL STANDY/POWER button. When connected to another component with the proper circuitry, the amplifier can be turned ON and OFF remotely. Please contact your dealer for further information about this feature.

Signal & 12V

Connections

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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 Overall Gain Internal Function ControlsDC 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.