NAD T-775 [Template]

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T775
HD A/V Receiver Specifications:



Up for sale is a mint NAD T-775 that has been the heart of my system since
new.  I have recently upgraded to separates otherwise this would have
remained in my system.

Original box,
manuals, remotes, etc are included.

Here are the
details:

Power Amp:

Power output (stereo, 8 ohms within rated distortion ): 130W (21.1dbW)

IHF dynamic power:

8 ohms 2 x 200W (23dBW)

4 ohms 2 x 320W (25.1dBW)

2 ohms 2 x 420W (26.2dBW)

Simultaneous power output surround mode:

7 x 100W (20dBW) - [7 x 165W (22.2dbW)Minimum Continuous Power (FTC)]

Total Harmonic Distortion at rated power: 0.05%

IM Distortion at rated power: 0.05%

Damping factor 8 ohms: 60

Sensitivity and impedance (R and C): 400mV / 50k Ohms

Frequency response: 5Hz-20kHz 10 to 20,000 Hz ±0.3dB

Signal to noise ratio:

rated power 8 ohms: >90dB

1W/8ohms: >80dB



Tuner:

Input sensitivity (50dB quieting):

Mono 16.1dBf

Stereo 36.1 dBf

Total harmonic distortion:

FM Mono 0.25%

FM Stereo 0.5%

Signal/noise ratio:

Mono 60dB

Stereo 55dB

Stereo separation: @1kHz 40dB

Frequency response: ±1.5dB 30Hz - 15kHz



Video:

Input and output impedance: 75 Ohms

Component video bandwidth: 50MHz



Physical Specifications:

Dimensions (W×H×D):

Imperial 17 1/8 x 6 1/8 x 15”

Metric 435 x 155 x 382mm)



Gross Dimensions (W×H×D):

Imperial 17 1/8 x 6 5/8 x 16 9/16”

Metric 435 x 169 x 421mm)



Net Weight:

Imperial 50 lbs

Metric 22.75kg

The NAD T775 is heir to many
generations of award winning NAD designs. This exceptional pedigree is evident
in both the look and the feel of the T775, and it is unmistakable the moment
you listen. It is NAD’s insistence on creating products with remarkable sound
quality at sensible prices that has made NAD the first choice among the most
knowledgeable listeners from around the world. NAD’s “Music First” philosophy
dictates that we endow our Surround Sound products with the same warm involving
sound quality that makes music listening so rewarding with our stereo
components. This stands in stark contrast to our competitors who view Surround
Sound components primarily from a “content” point of view, with sound quality
far down the list of priorities. Yet the T775 is second to none in terms of
flexibility and up-to-the-minute digital technology.



Full Disclosure Power Ratings:

Inflated power specifications have been used to “sell” receivers as long as
there have been receivers to sell. But not at NAD. Instead, we encourage our
customers take a clear-eyed look at the real issues.

Receivers don’t make music and
filmsound by driving laboratory test-loads, they do it by driving loudspeakers.
And loudspeakers, whether labeled 8O or 4O in “nominal impedance,” are far more
challenging. A speaker that “looks like” an 8O resistor at some frequencies
will show 4O at others, and often, 3O or even 2O at still others. Furthermore,
actual loudspeaker loads are far more complex than simple test resistors. What
does all this mean? Simply, that power on paper is but a poor predictor of “how
loud,” “how dynamic,” “how musical.”

Nevertheless, in a competitive market
comparisons will be made. But when you make them, read the fine print—all of
it. At NAD we test under the most demanding, “worst-case” conditions, reporting
the minimum power output we achieve at any frequency within human audibility
(full audible bandwidth of 20Hz-20kHz), and with all channels driven and fully
stressed simultaneously at clearly specified, vanishingly low distortion. Many
competitors do not: they often quote single-frequency power (1 kHz) reflecting
at most one “associated channel” (maximum 2 channels) dominating the receiver’s
power supply—often under a variety of deceptive power headings. And if
distortion is stated at all it’s usually at quite high levels: 0.5 percent, 1
percent—in one case, 10 percent!—it’s easy to print big numbers that simply do
not tell the true story. The bottom line: don’t be fooled by specs; let your
ears be the judge.

PowerDrive:

This keystone of the NAD receivers’ amp-section design underpins the unique
dynamic potential of every model. PowerDrive’s foundation is a “dual-rail”
power supply that delivers optimized internal voltage levels especially during
the most demanding conditions: dynamic peaks, big musical transients, deep-bass
excursions that drive a loudspeaker into its most power-hungry impedance range.
It’s a little like the “kickdown” of a sophisticated automatic transmission -
providing distortion-free current on demand.

PowerDrive is one big reason why NAD
AV receivers do not exhibit the dynamic compression, flattened imaging, and
even tinges of harshness audiophiles so often decry as “receiver sound.” And
PowerDrive not only makes NAD receivers sound better, it makes them cooler
running, more efficient, and more reliable as well.

Performance:

Today’s advanced Surround Sound receivers require quality in the digital
decoding stages, the video processing section, and in the power amplifier
design for the best overall performance. The T775 is an excellent example of
the NAD Design Team’s expertise in all three areas. Not only that, but we have
made many ergonomic refinements to simplify operation and make it more
enjoyable to get all the performance this magnificent receiver is capable of
delivering.

Using the latest 32 bit Dual Core
Floating Point DSP technology, NAD was able to include the most popular
surround formats from Dolby and DTS, as well as including NAD’s own highly
regarded music surround mode; EARS. Unlike, the typical artificially enhanced
DSP modes like “Club”, “Stadium”, and “Church”, EARS uses DSP technology to
extract the natural ambience of the recording. This is redirected to the
surround channels to create natural surround sound from any 2 channel source.
This induces a warm natural reverberant effect without the artificial “BOING”
of artificial reverb. The surround mode of the source material is automatically
detected via the digital inputs of the T775, and the “highest” or most advanced
form of decoding is switched on. Conversion of the encoded digital bitstream is
performed with high resolution and extremely linear Burr-Brown 24 bit/192kHz
D/A Converters carefully selected for their performance capabilities. The T775
uses five two-channel DACs rather than the usual single 8 channel DAC favored
by many of today’s surround sound receivers. We have found that the sonic
performance of the two-channel DACs used in a dual differential mode, is well
worth the extra cost of this configuration.

NAD’s reputation for producing power
amplifiers that are both potent and musical is upheld in fine manner with the
T775. Boasting a minimum of 100 watts continuous power per channel, the T775
can fill even large rooms to lifelike sound levels.

Credit for the sound of NAD’s
components rests squarely with our unique design approach and our experienced
and very talented design team. Most companies design their products to a
technical specification and a price point. While this sounds logical enough, it
does not address the way the product will actually be used by the eventual
owner. You don’t listen to specifications, you listen to music and sound. While
NAD products exhibit excellent technical measurements, we have relied on our
own ears and listening experience to determine the final design of our products.
Because of our unique design approach, NAD’s sound is simply more “real”
sounding, adding enjoyment and excitement to your favourite films and music
recordings.





Flexibility:

The T775 has all the flexibility required to serve as the command centre for
even the most sophisticated Home Theatre and multiroom systems. A full suite of
video switching caters to all the popular video formats (HDMI, Component Video,
S-Video, and Composite Video). The T775 uses the very latest V1.3 HDMI chips
from Analogue Devices. All input resolutions (480, 576, 720, and 1080) are
supported at the output. All analogue formats are cross converted between
Composite, S-Video and Component. These analogue inputs are also up-converted
to HDMI output. Digital inputs (including a handy front panel input) and
outputs are available in both coaxial and optical formats to make it easy to
attach all your digital sources for playback
and recording. Digital Inputs are converted to analogue for multi-zone
applications.

With the T775, NAD has made it easy to
add more speakers for listening to music in additional rooms or “zones”. A
second pair of speakers can simply be added to the front channel amplifiers and
switched on or off from the remote control or front panel switch. More
elaborate systems can also be created using the Zone 2, 3 and 4 outputs to add
additional amplifiers and speakers with the added benefit of independent source
selection and volume control. In addition to the main zone and second AV zone,
we have added the flexibility to change the Tape Outputs to be third and fourth
Audio Zones with independent source and volume capability. There is complete
flexibility in setting up these outputs. Additionally, the Back Surround
Amplifiers can be assigned to any of these zones, allowing for a simultaneous
5.1 Home Theatre and a powered second zone. A separate second zone remote is
included.

There are also 12 volt triggers to
automatically switch remote zone amplifiers on and off, and even an RS-232 data
port for connection to highly advanced automated control systems. Thoughtful
features like discrete On and Off codes, direct access to inputs and FM station
presets facilitate the integration of the T775 into elaborate remote control
systems.

An analogue 7.1 input is also provided
for attaching a DVD-Audio player or any other yet to be developed surround
decoder, making sure the T775 does not become obsolete anytime soon. Preamp
outputs allow the addition of more powerful amplifier channels.

The T775 includes a data port
specifically designed to control an iPod® with the addition of NAD’s optional
IPD 1 Dock for iPod accessory. This allows the iPod’s meta-data to be displayed
on the OSD and be controlled using the NAD remote control. Audio and Video
connections and iPod recharging are also featured in the IPD 1 Dock

All input circuitry is contained on 5
easily removable plug in cards. Although this construction technique is more
costly to implement, it offers several important advantages. 1) Speed to market
for new technology. 2) Upgrade for older units 3) Simple field service.

Luxurious Simplicity:

All the capability and flexibility in the world is quite useless if the
receiver becomes too complicated to be operated by every member of the family.
NAD has taken special measures to make operation of the T775 as logical and
straightforward as possible.

Initial system setup is best
accomplished using your television monitor and the clear and simple On Screen
Display (OSD), which can be configured to also give status updates as settings
are changed in everyday use. Once the T775 is informed of your specific system
set-up, all settings are stored in a non-volatile memory making this a one time
task. The informative front panel display indicates complete information about
the source being listened to or watched including selected surround mode and
volume setting. The front panel display can be easily customized by renaming
inputs and even determining what information you prefer to have displayed and
when to display it.

Automatic Audio Setup is available
using the supplied calibrated microphone. Simply place the microphone in the
listening position and select Audyssey auto-calibration and the system
automatically detects which speaker is connected, chooses the ideal crossover
point to the subwoofer, checks speaker phasing, and adjusts the levels and
delays. These adjustments are made to a level of accuracy that it would be
difficult to duplicate by ear alone.

Audyssey MultEQ XT is the latest in
digital sophistication, allowing for improved frequency response in a large
“family sized” sweet spot. Using the calibration microphone to “hear” your
room, a series of test tones measure the speakers’ response and the room’s
distorting echoes independently, and then calculates an ideal response that
minimizes the effects of the room’s echoes. While this sounds simple, the
digital technology that is required for this level of performance would have
cost many thousands of dollars just a few short years ago. But the electronic
technology is only half the story, since an advanced knowledge of acoustics is
also required to get good results from such a system. Working closely with
Audyssey, NAD’s acoustic engineers developed the final response curves that
reflect our own performance values.

The tuner includes 40 favorite station
presets in any mix of AM or FM stations. FM stations that don’t automatically
display their name in addition to their broadcast frequency (RDS function), can
instead be given a custom name. We also include a “Digital Broadcast Ready”
socket on the rear panel for adding an outboard XM or DAB module. All the
control software is included, just plug in the module and start enjoying the
clear sound and expansive content selection available with Digital Radio
Broadcast.

Five independent “Audio Video Custom
Presets” can store unique listening modes, DSP options, tone, speakers and
display settings for instant recall, making it easy to custom tailor your
system for different types of program material. Encoded surround modes like
Dolby Digital and DTS are automatically selected if the program is so encoded.
The T775 also remembers your last used settings when switched in and out of
Standby mode.

The included HTR-3 remote handset is
itself an engineering tour-deforce. Able to control up to 8 different
components, the device key illuminates to clearly shows what device is being
controlled. It has illuminated buttons for easy operation in low light
environments, and the length of time the illumination is on can easily be
adjusted. Remote commands for products not already included in the HTR 3’s
memory can be easily “taught” to the HTR 3. And the HTR 3’s Macro function
allows up to 64 individual commands to be triggered by the pressing just two
keys. With this feature, all of the commands required for watching a DVD, for
example, are executed automatically by the HTR 3’s Macro function.