NAD C445 Datasheet

C 445 DAB Tuner
• DAB/FM/AM Universal Tuner
• Dual Band DAB, Band III and L Band reception • Dual Band DAB, Band III and L Band reception
• Individual antenna inputs for DAB, FM, and AM for best
possible reception of all broadcast formats
• DAB Favorite Station Memory
• 30 FM Station Presets, 10 AM Station Presets
• RDS PS and RT for FM broadcasts
• 2 Line Dot Matrix Display indicates station frequency,
Preset and Favorite Station titles, and other information
broadcast by individual DAB and FM stations
• Optical TosLink Digital SPDIF Output for DAB signals
• Audiophile quality DAC and analog line stage
• Simple intuitive operation
• Remote control
DIGITAL AUDIO BROADCASTING
In many parts of the world today, digital
broadcasting (DAB) is taking over from analog
broadcasting (AM/FM). The reasons for this
are simple, with digital transmission; many more
stations can 'fi t' into the available radio spectrum.
Included with this extra choice of program is
noise-free audio and enhanced text information
about the program, artist, and music, as well as
technical information about the broadcast itself.
While different countries are taking different
approaches to DAB implementation, one thing is
certain, DAB is here to stay!
NAD's APPROACH TO DAB
We wanted to develop a radio tuner that fully
exploited the new medium of DAB yet maintained
NAD's core values of performance, value, and
simplicity. The C445 employs a dual band DAB
radio frequency (RF) section that works equally
well with the two most popular DAB transmission
formats; Band III and L Band.
We also decided that while DAB represents
the future of broadcasting, there are still many
excellent programs on traditional AM and FM
bands, thus we have a tuner that accepts both
digital and analog methods of broadcasting in one
easy to use product.
PERFORMANCE
DAB broadcasting, by its very nature, improves
many areas that were constant annoyances with
traditional AM and FM broadcasting. The almost complete
absence of noise and linear distortion make DAB broadcasts absence of noise and linear distortion make DAB broadcasts
sound clear across a broad range of signal strengths. This
is great on spoken word programs, but the medium shows
its shortcomings with musical programs. Here, the data
reduction algorithms (MPEG) and very low data rates
sometimes employed, can cause very unmusical effects.
Music can lose its rich texture, especially in the higher
frequencies.
On good quality broadcasts, DAB can rival the sound quality
of the CD, and for this reason we have used the same high
quality parts and proven design for D/A conversion as we
use in our award winning CD Players, the C521BEE and
C542. We also include a digital output that can be used
to feed high end external D/A converters and other units
equipped with an SPDIF digital input.
Professional quality D/A converters and OPAmps are
sourced from Burr Brown and implemented using optimized
digital and analog circuits. NAD's expertise in extracting
every last ounce of musicality from a circuit is evident from
the moment you switch on the C445 and tune in your fi rst
sation.
FM broadcasting, like DAB, requires a 'line of sight' from
the transmitter to the radio tuner's antenna. The C445's
FM tuning section is especially good at extracting the best
quality signal even under diffi cult reception conditions. A
careful balance of sensitivity, selectivity, and capture ratio
and dynamic range assures the best possible audio quality
with every available FM station. RDS functions of PS (station
name) and RT (radio text) are included for those stations
broadcasting with RDS.
AM is the oldest form of radio transmission, and yet has the
longest 'reach' of the commonly available broadcast bands.
While signal transmission quality is the most variable of
the three types of radio included in the C445, NAD strikes
a perfect balance between wide frequency response and
good noise suppression. The result can be surprisingly
good when the broadcast quality allows.
CONVENIENCE
In addition to the obvious convenience of having DAB,
FM, and AM in one component, we have included many
thoughtful features to make the operation of the C445 more
enjoyable. Whether you operate the C445 from the front