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Protector circuit

This unit is equipped with a high-speed protection circuit. The purpose of this circuit is to protect the speakers under circumstances such as when the output of the power amplifier is inadvertently short-circuited and a large current flows, when the temperature surrounding the unit becomes unusually high, or when the unit is used at high output over a long period which results in an extreme temperature rise.

When the protection circuit is activated, the speaker output is cut off and the power supply indicator LED flashes. Should this occur, please follow these steps: be sure to switch off the power of this unit, check whether there are any faults with the wiring of the speaker cables or input cables, and wait for the unit to cool down if it is very hot. Improve the ventilation condition around the unit and switch the power back on.

If the protection circuit is activated again even though there are no problems with the wiring or the ventilation around the unit, switch off the power and contact a DENON service center.

Note on speaker impedance

The protector circuit may be activated if the set is played for long periods of time at high volumes when speakers with an impedance lower than the specified impedance (for example speakers with an impedance of lower than 4 Ω /ohms) are

connected. If the protector circuit is activated, the speaker output is cut off. Turn off the set’s power, wait for the set to cool down, improve the ventilation around the set, then turn the power back on.

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Denon AVR-3300 manual Protector circuit

AVR-3300 specifications

The Denon AVR-3300 is a powerful audio/video receiver that has garnered a reputation for its rich sound quality, robust features, and impressive performance. Positioned in the mid-range of Denon's esteemed lineup, the AVR-3300 stands out for home theater enthusiasts seeking an exceptional cinematic experience.

At the heart of the AVR-3300 is Denon’s commitment to high-quality audio reproduction. It supports Dolby Digital, DTS, and Pro Logic surround sound formats, providing a multi-dimensional audio experience that envelops the listener. The receiver features a 7.1 channel amplification system, delivering each channel with substantial power and clarity, making it ideal for expansive home theater setups.

One of the key technological advancements incorporated into the AVR-3300 is the implementation of Denon's Advanced AL24 processing. This technology enhances the digital signal, providing higher resolution sound and improved detail retrieval. Alongside this, the receiver is equipped with a 24-bit/192 kHz DAC that ensures sound fidelity across all audio formats, whether streaming from digital sources or playing traditional formats.

The AVR-3300 also features a variety of connection options, accommodating various devices and ensuring versatility. With multiple HDMI inputs, component video connections, and digital audio inputs, users can connect their Blu-ray players, gaming consoles, and streaming devices with ease. Additionally, the receiver includes a dedicated phono input for vinyl enthusiasts, allowing for direct connection to turntables.

An important characteristic of the AVR-3300 is its user-friendly interface and setup process. Denon has included an on-screen graphical user interface that simplifies navigation and adjustment of settings. The receiver also features Audyssey MultEQ technology, which automatically calibrates the sound environment by analyzing the room acoustics and adjusting speaker settings accordingly. This ensures optimal audio performance tailored to the specifics of the user’s space.

In terms of build quality, the Denon AVR-3300 is designed to be both durable and aesthetically pleasing. It sports a sleek front panel with a contemporary design, making it a stylish addition to any home entertainment system.

Overall, the Denon AVR-3300 offers a remarkable combination of sound quality, advanced technology, and user-friendly features. With its robust performance and versatile connectivity options, it remains a highly regarded choice for those looking to enhance their home theater experience.