Bi-wiring and bi-amping loudspeakers

Bi-wiring and bi-amping loudspeakers

Bi-wiring improves the sound of your system as it divides the high and low frequency signal currents into separate speaker cables. The performance of your system can be further enhanced over that achieved with bi-wiring by extending the principle one stage further to include separate amplification for the low

and high frequency drive units in each loudspeaker enclosure. This is called ‘bi-amping’.

Before you start – important information!

1.Ensure that the volume control is set to minimum before starting these procedures.

2.Do not make any connections to your AVR350 while it is switched on or connected to the mains supply.

3.After connecting the loudspeakers, but before switching on the AVR350, please check all connections thoroughly, making sure bare wires or cables are not touching the AVR350 in the wrong places (which could cause short circuits) and that you have connected positive (+) to positive and negative (–) to negative.

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Bi-wiring your loudspeakers

Bi-wiring avoids signal distortions arising from the high and low frequency currents interacting with one another within a single cable, as occurs in conventionally wired systems.

You will need:

Speakers – with four input terminals each: the terminals will be marked HF (High Frequency

+and –) and LF (Low Frequency + and –). Loudspeaker cables – two pairs of cables per loudspeaker.

How to bi-wire loudspeakers

1.Remove the terminal links on the rear of your loudspeakers.

NOTE: If you do not remove the shorting links from the speaker terminals, the speakers will still be single-wired!

2.Connect the cables as shown in the diagram, ensuring correct polarity at all times.

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Bi-wiring using the

AVR350 (only one speaker

is shown, for clarity)

Bi-amping your system

Notes:

<In order to bi-amplify your speakers, your speakers will need to be bi-wirable (have positive and negative terminals for both high frequency (HF) and low frequency (LF) information). If your speakers are bi-wirable, ensure that the links between the HF and LF terminals are removed.

WARNING: This step is essential or damage to your AVR350 may result which is not covered under warranty.

<If you wish to bi-amplify speakers using external power amplifiers, you must use amplifiers with the same gain as the AVR350 (31dB), otherwise the bass and the treble will become unbalanced. Please contact your dealer if you require more information on bi-amping your speakers.

Bi-amping using the AVR350

If channels 6 and 7 of your system are not in use (i.e., you have a system comprised of a maximum of five speakers, excluding the subwoofer), these spare amplification channels may be used to bi-amplify the front left and right speakers of your system.

Follow these steps:

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1.Remove the terminal links on the rear of your loudspeakers.

WARNING: This step is essential or damage to your AVR350 may result which is not covered under warranty.

2.Connect the cables as shown in the diagram below, ensuring correct polarity at all times.

3.Ensure that the Use channels 6+7 for setting in Basic menu 6 ‘EX Settings’ is set to BiAmp L+R. (See page 13 for details of how to do this.)

	Right		Left
	speaker		speaker
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Bi-amping using the surround back channels of the AVR350 (only the front left and right speakers are shown, for clarity)

AVR350

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AVR350 specifications

The Arcam AVR350 is a high-performance AV receiver that epitomizes the blend of cutting-edge technology and sophisticated design. Known for its exceptional sound quality and advanced features, it caters to audiophiles and home theater enthusiasts alike. The AVR350 stands out with its robust build quality and user-friendly interface, making it an attractive option for those looking to enhance their home entertainment experience.

One of the key features of the Arcam AVR350 is its 7.1-channel amplification, delivering a powerful audio output of 90 watts per channel. This ensures that every sound in your favorite movies, music, or games is reproduced with clarity and depth. The receiver is equipped with advanced Dolby Digital and DTS decoding technologies, which allow it to support high-definition audio formats. This means users can enjoy a truly immersive surround sound experience, whether it’s the booming effects of an action movie or the delicate nuances of a classical performance.

Another standout characteristic of the AVR350 is its digital signal processing. Incorporating sophisticated algorithms, it optimizes audio performance for different environments, ensuring that listeners achieve the best sound quality no matter the size or shape of the room. The inclusion of Arcam's proprietary room EQ technology further enhances the listening experience by adjusting the sound to compensate for the room acoustics, providing a balanced audio output tailored to individual environments.

Connectivity options are comprehensive, with multiple HDMI inputs and outputs supporting high-definition video formats. The AVR350 also supports a variety of other audio-video inputs, including component and composite video connections, as well as analog audio inputs. This versatility makes it easy to integrate with a range of devices, including Blu-ray players, gaming consoles, and streaming devices.

For users keen on multi-room audio solutions, the AVR350 offers the capability to distribute audio to several zones, allowing you to enjoy different music or media in various parts of the home simultaneously. The intuitive on-screen menu simplifies setup and operation, ensuring that users can easily configure their systems according to their preferences.

In summary, the Arcam AVR350 is a well-rounded AV receiver that combines impressive audio performance, advanced decoding technologies, and flexible connectivity options. Its focus on high-quality sound and user convenience makes it an ideal choice for those looking to elevate their home entertainment systems. With the AVR350, enthusiasts can expect a level of audio fidelity that truly transforms the way they experience sound.