Speaker Configuration

The following table indicates the channels you should use depending on the number of speakers that you have.

No matter how many speakers you use, a powered subwoofer is recommended for a really powerful and solid bass.

To get the best from your surround sound system, you need to set the speaker settings automatically

(➔ page 28) or manually (➔ page 41).

Number of channels	2	3	4	5	6	7

Front speakers	✔	✔	✔	✔	✔	✔

Center speaker		✔		✔	✔	✔

Surround speakers			✔	✔	✔	✔

Surround back speaker*1					✔
Surround back speakers						✔

*1 If you’re using only one surround back speaker, connect it to

the SURROUND BACK L PRE OUT jack.

Attaching the Speaker Cable Labels

The speaker terminals (and preout jacks) are color-coded for identification purpose.

Speaker	Color
Front left	White

Front right	Red

Center	Green

Surround left	Blue

Surround right	Gray

Surround back left	Brown

Surround back right	Tan

The supplied speaker cable labels are also color-coded and you should attach them to the positive (+) side of each speaker cable in accordance with the table above. Then all you need to do is to match the color of each label to the corresponding speaker terminal.

Speaker Connection Precautions

Read the following before connecting your speakers:

•You can connect speakers with an impedance of between 6 and 16 ohms. If you use speakers with a lower impedance, and use the amplifier at high volume levels for a long period of time, the built-in amp protection circuit may be activated.

•Disconnect the power cord from the wall outlet before making any connections.

•Read the instructions supplied with your speakers.

•Pay close attention to speaker wiring polarity. In other words, connect positive (+) terminals only to positive (+) terminals, and negative (–) terminals only to negative (–) terminals. If you get them the wrong way around, the sound will be out of phase and will sound unnatural.

•Unnecessarily long, or very thin speaker cables may affect the sound quality and should be avoided.

•Be careful not to short the positive and negative wires. Doing so may damage the AV receiver.

•Make sure the metal core of the wire does not have contact with the AV receiver’s rear panel. Doing so may damage the AV receiver.

•Don’t connect more than one cable to each speaker terminal. Doing so may damage the AV receiver.

•Don’t connect one speaker to several terminals.

Note

•With the Home Theater System, speaker cable labels are not supplied.

TX-NR509 specifications

The Onkyo TX-NR509 and HT-S6405 combination presents an impressive entry point into the world of home theater systems, delivering remarkable audio performance and convenient features for the everyday user. The TX-NR509 is a powerful 7.1-channel AV receiver that boasts a rich assortment of technologies designed to elevate movie and music experiences.

One of the most notable features of the TX-NR509 is its ability to handle high-definition audio formats, including Dolby TrueHD and DTS-HD Master Audio. These formats ensure that soundtracks are delivered with impeccable clarity and depth, making them a perfect pairing for a high-definition viewing experience. Additionally, the receiver supports various audio formats, including FLAC and WAV, providing full compatibility with lossless audio files and ensuring audiophiles can enjoy their favorite tracks without degradation.

In terms of connectivity, the TX-NR509 is equipped with six HDMI inputs, allowing users to connect multiple devices easily, including Blu-ray players, gaming consoles, and streaming devices. One HDMI output supports Audio Return Channel functionality, streamlining the connection between TV and receiver and enhancing convenience, particularly for late-night TV viewing.

The HT-S6405 complements the TX-NR509 by including a complete 5.1 speaker package designed to create a comprehensive surround sound experience. The compact satellite speakers and an impressive subwoofer work harmoniously to deliver a balanced soundstage with deep bass and crisp highs. The subwoofer, with its dedicated amplifier, ensures that the low frequencies resonate richly, perfect for both action-packed movies and subtle musical nuances.

The combination also features Onkyo's proprietary AccuEQ technology, which offers room calibration for optimizing audio settings based on the unique acoustics of any space. This ensures that users experience sound that is well balanced and tailored to their environment.

Supporting the latest in streaming capabilities, the TX-NR509 includes built-in internet radio and streaming via vTuner, as well as USB connectivity for easy access to digital music files from various sources. With its user-friendly interface, setting up this system is straightforward, making it a fantastic option for users who want high-quality sound without a complicated setup process.

In summary, the Onkyo TX-NR509 and HT-S6405 offer a remarkable blend of technology, sound performance, and user-centric features, making it an excellent choice for a home theater setup. Its combination of high-definition audio support, seamless connectivity, and advanced calibration technology positions it as a reliable option for enhancing entertainment at home.