Audio features TX-NR818 supports many audio formats. Below you find a list of the most important audio formats with a short description of each format.
Dolby Pro Logic II is the audio system from Dolby that the amplifier will use for analog or two channels Digital sources like TV- broadcasts.
Dolby Pro Logic IIx is a secondary audio format that makes it possible to transform 5-channel audio to 7-channel audio. This can be a useful feature since most Blu-Ray and DVD only have 5-channel sound.
DTS Neo: X is DTS sound system that the first time expands the number of channels from 7.1 up to 11.1. DTS Neo: X allows for extra height and width in the front channels. For amplifiers with 9 channels you must choose if you want extra width or height.
To achieve the best possible sound reproduction in a home theater setup TX-NR818 is equipped with automatic room correction that adjusts a number of parameters based on measurements made using an included microphone. Noise level of each speaker automatically adjusted along with delay based on the placement of speakers. In addition adjusted frequency response of each speaker so that it fits the room and speaker. The specification for the equalizer for the main channels are 7 bånds, while it is 5 bånds for the subwoofer channel.
The room correction technology that TX-NR818 is equipped with is Audyssey MultEQ XT32 that is developed by Audyssey, a firm that specializes in developing sound processing to many of the major manufacturers of AV-amplifiers. Audyssey MultEQ XT32 is the most advanced processing from Audyssey.
To get the best possible bass reproduction in your home theater setup TX-NR818 has individual bass handling of the different channels. That means you can set different value for lowpass filter for each speaker group. The low pass filter can be set to a wide range of frequencies. The available frequencies are 40, 50, 60, 70, 80, 90, 100, 120, 150 , 200Hz.
If you have analog sources that must be connected to a TV or projector through the amplifier, the amplifier has video conversion from composite, s-video and component digital HDMI signal. This ensures that it is only necessary with a HDMI a > cable to the projector / TV.The Video signal can be upscaled to HD format so that it fits with the TV / projectors resolution if you want to make this transformation in amplifier instead of TV / Projector. The amplifier can upscale to 720p, 1080i and 1080p signal.
TX-NR818 is equipped with ISF Video Calibration. This means that one can do advanced calibration of the video signal that goes through the amplifier. This means that you can achieve optimal calibrated image on the connected projector or television although these do not have good calibration possibilities.
TX-NR818 is equipped with a wide range of connection option for video sources. It has 7 HDMI, 2 component and 4 composite inputs.It also has 6 RCA inputs for analog audio connection and 3 optical digital inputs and 2 coaxial digital inputs.For connection of equipment that has its own decoding of multichannel audio TX-NR818 is equipped with 1 x 7.1 RCA multichannel input.
TX-NR818 is also equipped with connections in the front for easy temporarily connecting equipment. It has 1 HDMI input 0 S-Video input, 1 composite input, 1 RCA audio input and 1 optical digital input.
The amplifier is equipped with 2 HDMI monitor outputs that ensures that you can connect to a projector and TV simultaneously without having to reconnect. In addition, it is equipped with 1 component, 1 s-video and 1 composite monitor outputs.The amplifier supports HDMI Arc (Audio Return Channel), which means it can receive audio from a TV from the same cable that transmits image from amplifier to TV. This keeps you from having a seperate digital cable or RCA cable from the TV to the amplifier. Requires that the TV supports HDMI Arc.
The amplifier is equipped with 9.1 RCA preout output so that it is possible for connecting power amplifiers to achieve full 9 channel setup in addition to active subwoofer.
Like many other amps TX-NR818 have embedded multimedia functionality that reduces the need for PC and other computer components in your setup.Playback of audio files is possible from the network or from USB. To see details of the audio formats that are supported see technical specifications.
TX-NR818 is DLNA certified so you are assured that it is compatible with other DLNA equipment. It is DLNA certified for audio playback over network.
To connect to the network is the amplifier equipped with a standard network connector.
The amplifier is equipped with built Spotify client. This means that if you have a Spotify account (paying) you can listen to a huge music collection without the need to of other equipment except connection the amplifier to Internet.
Multi Zone b>
TX-NR818 allows for playback in multiple rooms, with different sources for each room.
For stereo playback the amplifier is rated to provide 2 x 180 Watt with measuring method DIN, 1 KHz, 6 ohm, THD 1,0% and for multi channel up to 7 x 180 Watt by measuring method DIN, 1 KHz, 6 ohm, THD 1,0%.In setups where there is no need for the integrated power amplifier for the surround back channels can these power amplifiers in TX-NR818 be configured so that the front speakers are bi-Ampet with two amplifiers for each front speaker (separate amplifier for bass and treble / midrange).
Possible speaker configurations
With audio processing for 9 channels and power amplifiers for 7 channels this amplifier has the following possible speaker configurations.
It supports 5.1 speaker config that gives possibility for front, center and surround speakers in addition to a subwoofer.
If you only want a 5.1 setup this amplifier has the possibility to biamp the front channels so you can use 4 channels for the two front speakers. This can give a better audio experience.
It supports 7.1 speaker configuration that gives opportuinity for front, center, surround and rear surround in addition to a subwoofer.
It supports 7.1 with front height which is a 5.1 setup, but with additional front speakers placed in height for better 3D effect and better placement of the soundstage in front
It supports 7.1 with front width which is a 5.1 setup where you have added extra fron speakers positioned to the side of the normal speakers. This provides a wider soundstage and 3D effect.
For a more detailed explanation of the possible speaker configurations you should read speaker configuration section of our home theater amplifier guide.
TX-NR818 is in sale and the lowest price that is observed is kr 9,995,-. Use the links to price engines on the right side to find the cheapest stores.
Discuss in our forum
Are you something about home theater amplifiers may want to ask questions about it in our forum for home theater amplifiers. Here you will find many experienced users.