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Yamaha C7 (M) Grand Piano - 227 cm
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Yamaha C7 (M) Grand Piano - 227 cm

proizvođač: Yamaha

C7M's mellow sustain and tonal beauty are an inspiration to the performer's imagination.

Dodatna pitanja | Pošalji prijatelju

info telefoni: 011/334-56-17, 011/3340-749, 011/32-35-332, 063/425-100

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Karakteristike

Length227 cm
Width155 cm
Height102 cm
Weight409 kg
FinishPolished Ebony
also available in Polished White
88 keys, 3 pedals (center pedalsostenuto)

Opis

Scale Design

  • Each Yamaha grand piano is designed to deliver the optimum performance for its size, through careful selection and balancing of everything from case materials and soundboard design to string configuration and hammer-felt density.
  • Duplex scaling tunes non-'speaking' lengths of the strings to enrich primary tones with secondary harmonics, providing a richer, fuller sound. (all models except GA1, GP1 and GH1B)

Scale
Back Frame & Rim

  • Carefully crafted from select materials, the structural framework of Yamaha grand pianos is designed to provide generations of stable, dependable support.
  • Radial back posts are dovetailed into the inner rim for superior strength and rigidity.
  • Rims are precisely formed from layers of select, solid woods to create a strong, resonant acoustic chamber and a beautiful appearance.
  • NEW for C Series models (incl. A1)!
    New rim specifications attuned to the characteristics of each model optimize strength, stability and resonance.

V-PRO IRON PLATE

  • Yamaha V-PRO plates provide unyielding support for the 20 tons of string tension generated by a fully strung and tuned grand piano. (all models except CFIIIS)
  • Use of a Yamaha-developed vacuum shield mold process, rather than traditional sand-casting, assures superior precision and structural integrity, free of pitting or other flaws, and allows an uncommonly beautiful, finished appearance.
  • A special, adjustable plate mounting system allows precise control over string downbearing, ensuring optimal tone quality and tuning stability. (all models except GA1, GP1 and GH1B)
  • NEW for C Series models (incl. A1)!
    A golden matte finish on the iron plate, similar to that of S Series grands, gives a more elegant visual impression.
  • NEW for A1!
    New plate design is better suited to this instrument's compact configuration.

V-Pro Iron Plate

TONE COLLECTOR

Tone Collector
  • A metal tone collector connects one end of the back posts to the iron plate and acts as an acoustic mirror, gathering and reflecting sound waves back toward the soundboard. (all models except GA1, GP1 and GH1B)
  • By integrating structural members—rim, back posts and plate— into the tone producing system, the tone collector creates a fuller, richer sound with extended sustain.

SOUNDBOARD

Soundboard
  • An all-important element in piano sound production, the soundboard reflects and amplifies the vibrations of the strings.
  • Yamaha grand piano soundboards are crafted from carefully selected, well-seasoned, clear, fine-grained spruce timber, for superb tonal clarity, volume and projection.
  • Using a specially developed process, the soundboards are given a strong and stable crown, then reinforced with full-length spruce ribs, mortised and glued into the inner rim, for long-term durability.
  • NEW for CFIIIS!
    Refinements in rib height and timber improve soundboard vibration characteristics.

BRIDGES

Bridges
  • Bridges transmit string vibrations to the soundboard, and require superior materials and craftsmanship to deliver the best possible sound.
  • Yamaha bridges are crafted from choice hardwoods, to strict specifications for each model, then precisely notched and pinned to accept the strings, and carefully fitted to the soundboard.
  • NEW for C Series (C3 and above)!
    Bridges crafted from more finely grained woods, selected to complement each scale design, provide superior sound transmission.
  • NEW for S4 and CFIIIS!
    New bridge materials deliver warmer, richer tones and extended resonance.

STRINGS

Strings
  • Strings are produced in Yamaha's own facilities from special steel wire, and wound with pure copper for the lower registers.
  • Specially designed equipment is used in stringing the pianos, to assure uniform winding and balanced tension.
  • NEW for C Series (incl. A1), S Series and CFIIIS!
    Refinements in the specifications of copper-wound strings generate purer, more perfectly pitched and harmonious bass tones.
  • NEW for CFIIIS!
    Precise string-by-string analysis and strike point alignment provide improved tonal characteristics, especially in the tenor.

TUNING PINS & PINBLOCK

Pinblock
  • Humid-a-Seal® pinblocks, laminated from layers of beech and hard rock maple and sealed with a special resin, offer exceptional tuning stability, unaffected by changes in climate.
  • Nickel plated to protect against corrosion, Yamaha tuning pins are lathe-cut, rather than roll-pressed; this ensures a better grip in the pinblock, enhancing tuning stability.
  • NEW for CFIIIS!
    New pin and pinblock materials facilitate tuning and further enhance stability.

HAMMERS

Hammers
  • One of the few piano makers to produce its own hammers, Yamaha designs hammers to perfectly complement the scale design of each grand piano model.
  • Yamaha hammers are faced with premium quality felt, securely bonded and T-fastened to hardwood heads and shanks.
  • NEW for C Series (incl. A1)!
    Barrel-shaped treble hammer shanks, similar to those of the concert grand, improve dynamic and tonal response.

KEYBOARD

 Keyboard
  • Matched key sets are cut from solid blocks of clear spruce, fitted with durable hardwood key buttons, and individually weighted, balanced and laser-leveled for uniform travel and response.
  • White keys are surfaced with Ivorite® , a synthetic material that reproduces the tactile characteristics of natural ivory, or with a white acrylic resin.
    Black key tops are made from a special wood composite, or a black phenolic resin—except for the CFIIIS concert grand, which uses ebony.
  • Anti-warp keyframe construction guards against climate-induced changes, ensuring stable, trouble-free keyboard performance and extended longevity.

ACTION

 Action
  • Yamaha piano actions are famed for their responsive sensitivity, rapid repetition and uniform feel, as well as for their reliable performance over time.
  • Action components are manufactured to precise specifications—some to tolerances as low as 0.05 mm—to ensure that these complex mechanisms operate smoothly and dependably.
  • Extruded aluminum action rails, a patented Yamaha development, are impervious to heat and humidity changes, permitting stable, long-lasting regulation.
  • NEW for C Series (incl. A1)!
    Precise note-by-note strike point alignment produces crisper, clearer tones.
  • NEW for C Series (incl. A1)!
    Heightened precision in damper installation offers superior pedaling and expressive control.
  • NEW for CFIIIS!
    Balanced hammer/action interaction provides superior repetition.
  • NEW for CFIIIS!
    Slide guide refinements improve shift pedal performance

CABINETRY


Cabinetry side


Cabinetry top
  • All woodwork and fittings are skillfully crafted and finished to the standards of the finest furniture.
  • A durable, resin-sealed polyester finish on solid color and high gloss models protects the wood against aging, humidity and accidental damage.
  • A soft-close damping mechanism keeps the fallboard from dropping abruptly onto the keyboard or players' fingers. (all models except GA1, GP1 and GH1B)
  • Multi-position music desks and lid props enhance comfort, convenience and control over sound projection; all models except GA1, GP1, GH1B and A1 are also equipped with lid and fallboard locks.
  • Pedals and casters are machined from solid brass, for lasting beauty and durability.
  • NEW for C Series (incl. A1), S Series and CFIIIS!
    New lid prop safety stop guards against incorrect, insecure prop positioning.
  • NEW for A1!
    C Series-style music desk provides added space and convenience.
  • NEW for S Series!
    Heavy-duty double casters, like those of the concert grand, offer improved mobility.
  • NEW for CFIIIS!
    Additional seasoning after the final coat enhances finish quality.
  • NEW for CFIIIS!
    Sideboard logo and new satin plate finish offer a more elegant appearance.

PREPARATION

Preparation
  • Extensive preparatory, 'playing-in,' inspection and adjustment procedures—tuning, voicing and regulation—assure that each Yamaha grand piano is well stabilized and impeccably conditioned.
  • Components and completed instruments are seasoned to the climatic conditions typical of their destination.
  • NEW for C Series (incl. A1)!
    Model-specific production enables more-focused tuning, voicing and regulation, for optimal long-term performance.

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