NAD T175 owner manual PRO Logic Plii, NEO6, Ears, Enhanced Stereo, Analog Bypass

OPERATION

USING THE T 175 – MAIN MENU

PRO LOGIC

Two-channel recordings, whether stereo or surround-encoded, are reproduced with Dolby Pro Logic surround processing, yielding output to front left/right, center and discrete left/right surround channels (assuming these are present in the current “Speaker Configuration”). The surround channel is monophonic, but it is reproduced in both surround speakers.

PRO LOGIC PLII

Dolby Pro Logic II is a more recent evolution of the original Dolby Pro Logic surround processing that yields more stable imaging and full bandwidth sound to the rear channels in Movie mode, offering sound that is more similar to Dolby Digital decoding.

PRO LOGIC IIx

Dolby Pro Logic IIx processes both stereo and 5.1 signals into a 6.1 or 7.1 channel output. At Dolby Pro Logic IIx, you can choose PLIIx Movie or PLIIx Music modes to tailor your listening experience to the source material. Dolby Pro Logic IIx surround processing yields more stable imaging and full bandwidth sound to the rear channels in Movie mode offering sound that is more similar to Dolby Digital decoding. For two channel signals, Dolby Pro Logic IIx Music mode also features three additional user controls - Dimension, Center Width, and Panorama. See also section about “ADJUSTING LISTENING MODES” below.

The following chart shows the channels available assuming they are enabled in the “Speaker Configuration” menu;

Listening Mode	Active Decoded Output Channels
Two-Channel Sources	6.1 Speaker System	7.1 Speaker System
	Front (left & right), Center,	Front (left & right), Center,
Dolby Pro Logic IIx Music		Surround (left & right)
	Surround (left & right),
Dolby Pro Logic IIx Movie		and Back Surround (left
	Back Surround, Subwoofer
		and right) and subwoofer

NEO:6

Two-channel recordings, whether stereo or surround-encoded, are reproduced with Neo:6 surround with output to front left/right, center and discrete left/right surround channels plus subwoofer (assuming these are present in the current “Speaker Configuration”). The T 175 provides two DTS Neo:6 variations - CINEMA and MUSIC. See also section about “ADJUSTING LISTENING MODES” below.

EARS

Two-channel recordings, whether stereo or surround-encoded, are reproduced with proprietary NAD surround processing with signals output to the front left/right, center and discrete left/right surround channels, plus subwoofer (assuming these are present in the current “Speaker Configuration”). EARS does not employ the surround back speakers (if any).

EARS extracts the natural ambience present in nearly all well-produced stereo recordings. It does not synthesize any ambience or other sonic elements and thus remains truer to the sound of the original musical performance than most other music-surround options.

Select EARS for listening to stereo music recordings and broadcasts. EARS produces a subtle but highly natural and believable ambience from nearly all “natural-acoustic” stereo recordings. Typically, these include classical, jazz, and folk genres as well as numerous examples from others. Its virtues include realistic, stable “front-stage” sonic imaging and spacious but unexaggerated ambient “virtual acoustics” that remain faithful to the original recording.

ENHANCED STEREO

All recordings reproduced in stereo via the maximum speaker complement configured in the current “Speaker Configuration”. Enhanced stereo can be useful for maximum volume from all channels or for multi-speaker background music (cocktail party) listening. For this mode, Front, Center, Surround and Back speakers can be turned ON/OFF as desired.

ANALOG BYPASS

All analog signals remain in the analog domain without analog-to-digital conversions. At Analog Bypass, the DSP circuitry is bypassed but full tone control functions remain. “Bass management” or “Speaker Setup” are also not in effect as these are DSP functions.

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