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Yamaha C7
7' 6" Concert Collection
Grand Piano |
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New design concert scale
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Solid Rumanian spruce soundboard and ribs
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Complete tone collector system
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Dovetail joints
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Vertically laminated treble bridge with boxwood cap
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Duplex scaling
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Solid copper wound bass strings
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Aluminum alloy action rails
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Yamaha balanced action
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Spruce keys with hardwood buttons
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Ivorite™ keytops with WPC sharps
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Premium Yamaha designed hammers with T-fasteners
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Specially designed hammer shanks
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Reinforced keyframe pin with adjustable guide
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Hardwood reinforced keyframe
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Full sostenuto
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Patented Humid-A-Seal pinblock™
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Cut thread tuning pins
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Polyester finish
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Resin sheet foundation
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Soft-Close™ fallboard
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Lid Prop safety stop
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Locking fallboard and top
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Solid brass casters
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Vacuum Shield Mold Process (V-Pro) plate
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Seasoned for destination
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Celebrating a distinguished century
of grand piano making |
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Unparalleled in their beauty and
musical range, grand pianos are the ultimate expression of the
piano maker's art. The year 2002 representing our grand piano
centennial year, Yamaha is proud to present a comprehensive line
of incomparable grands, reflecting the very latest in Yamaha
acoustic and technological advances. Embodying over 100 years of
accumulated expertise, these instruments epitomize the quality,
performance and value for which Yamaha has long been renowned, as
we enter the second century of Yamaha grand pianos.
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Performance |
- Refinements in copper-wound string
specifications deliver purer, more perfectly pitched and
harmonious bass.
- Barrel-shaped treble hammer
shanks, similar to those of the concert grand, improve dynamic and
tonal response.
- Bridges crafted from choice,
finely grained woods, selected to complement each scale design,
provide superior sound transmission.
- Rim specifications attuned to the
characteristics of each model optimize strength, stability and
resonance.
- Model-specific production enables
more-focused tuning, voicing and regulation, for optimal long-term
performance.
- Precise note-by-note strike point
alignment produces crisper, clearer tones.
- Heightened precision in damper
installation offers superior pedaling and expressive control.
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Crafted with uncommon care and
integrity |
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Yamaha grand pianos have earned a
global reputation as instruments of outstanding quality and value.
Renowned for their eloquent expressive range, and for their
reliable performance over time, they play an important role in the
performing arts and music education. They are consistently among
the pianos most highly recommended by piano tuner/technicians and
a leading choice of pianists at all levels, all over the world.
The Yamaha reputation
rests on a century-long tradition of uncompromising care and
craftsmanship, supported by an unmatched range of integrated
expertise, top-of-the-line production facilities, and an
exceptionally skilled, knowledgeable and dedicated workforce. Our
strength in the full range of relevant technologies allows us to
produce virtually every part of every piano ourselves — an approach
that has helped us initiate significant advances and set what has
long been recognized as the industry standard in quality control. |
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An open dialog with professional
musicians generates invaluable input that, in conjunction with
sophisticated research facilities, has led to continual advances
in each new generation of Yamaha pianos. Our global network offers
Yamaha customers additional advantages, from cost-efficient
regional manufacturing to the ready availability of sales and
support throughout most of the world.
Balancing
cutting-edge technology and innovation with the timeless skills of
expert artisans, Yamaha pianos have come to represent an unsurpassed
standard of affordable excellence. It is a standard that continues
to generate ever-higher acclaim and make Yamaha grand pianos the
first choice of many of the world's most discriminating pianists. |
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A triumph of timeless artistry and
technical sophistication |
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Today's C Series grands also
incorporate all of the quality construction features found in
prior C Series models.
Rims are formed from
layers of select woods, laminated into shape in special presses,
then seasoned to allow the wood to stabilize. Sturdy back posts are
joined in a radial configuration and fitted to the rim using
exceptionally strong and stable dovetail joints, enhancing both the
pianos durability and the integrity of the acoustic chamber. |
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Iron plates, the internal frame of the
piano, are cast in a vacuum molding process that virtually
eliminates flaws and imperfections, then attached with an
adjustable mounting system that allows precise control over string
downbearing — critical for the best tonal performance. A metal
tone collector connects the back posts to the plate, reflecting
sound energy back through the case for a fuller, more sustained
resonance.
Soundboards are
crafted from select clear spruce and cured in a proprietary process
that ensures a durable, natural crown. This is further reinforced
with full-length spruce ribs, securely mortised and glued into the
inner rim. Bridges are formed from fine-grained hardwoods chosen for
optimal sound transmission, and precisely notched and pinned to
carry the strings. |
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Produced from special steel and pure
copper wire, strings are installed with the aid of special
equipment for consistent, even tensioning. Duplex scaling, which
tunes non-'speaking' lengths of the strings, enriches primary
tones with complementary harmonics.
Pinblocks, where the
tuning pins are set, are made from layers of dense hardwoods, bonded
in a process that seals against fluctuations in humidity. The pins
themselves have lathe-cut, rather than roll-pressed, threads, to
ensure the best grip in the pinblock, and are nickel plated to
resist corrosion. Together with the integrity of structural
components, these features help to give Yamaha pianos an
exceptionally high level of tuning stability, assuring better sound
between tunings and requiring minimal regular maintenance. |
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Built to the highest standards to assure
lasting value |
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The legendary Yamaha action mechanism
is built to ultra-precise tolerances on aluminum alloy rails —
unaffected by changes in temperature or humidity — for superb
response, rapid repetition and years of trouble-free playing
enjoyment. Designed for each model, hammers are made from
top-quality felt, glued and T-fastened to hardwood heads and
shanks, profiled to match the characteristics of each model.
Matched key sets cut from solid spruce blocks are fitted with
durable hardwood key buttons, faced with optimal tactile surfaces,
and precisely balanced and laser-leveled for uniform travel and
response.
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Yamaha piano cabinetry is designed and
constructed for long-lasting beauty, with a multi-layer polyester
or lacquer finish that provides maximum protection against wear,
sun, heat, spills and humidity. All fittings, including solid
brass pedals and casters, are engineered for both beauty and
functionality, with special protective features like soft-close
fallboards and lid prop safety stops.
Finally, every Yamaha
piano undergoes exceptionally thorough preparatory procedures.
Skilled technicians tuner, 'voice' and regulate each instrument
repeatedly over the course of construction, aided by a 'mechanical
pianist' that plays every key hundreds of times, enabling the
strings and action components to normalize between these procedures.
Each instrument is allowed to rest in a controlled environment
approximating that of its destination, then sealed in an airtight
envelope to ensure optimal condition on arrival. |
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