Yamaha A-S2100 Amplificator

Yamaha A-S2100 Amplificator

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Advanced original amplifier circuitry and elimination of signal lossmdash;resulting in a truly
emotional and dynamic sound. This is a high-grade integrated amplifier that has inherited
the new sound of Yamaha in the pursuit of rich musicality. Floating and Balanced Power Amplifier with MOSFETsAll-stage fully discrete construction, balanced transmission and low impedance designSuperior quality electronic volume control for optimum soundLarge capacity power supply unit delivers energetic, dynamic sound with fast responseSymmetrical design in pursuit of ideal stereo reproductionDiscretely configured phono ampHeadphone amp with fully discrete configurationLevel meters visually reflect the dynamics in the musicElegant design with luxurious real wood panelsOriginal speaker terminals combine ease of use and beauty with high sound qualityMaximum Power (4 ohms, 1kHz, 0.7% THD, for Europe)160 W + 160 WHigh Dynamic Power/Channel (8/6/4/2 ohms)105/135/190/220 WDamping Factor250Frequency Response5 Hz-100 kHz (+0 dB/-3 dB)RIAA Equalization Deviation20 Hz-20 kHz +/-0.5 dBTotal Harmonic Distortion (CD to Sp Out, 20 Hz-20 kHz)0.025%Signal-to-Noise Ratio (CD)103 dB (S: 200 mV)Input Sensitivity (CD)200mV/47k ohmsDimensions (W x H x D)435 x 157 x 463 mm; 17-1/8rdquo; x 6-1/8rdquo; x 18-1/4rdquo;Weight23.4 kg; 51.6 lbs. The basic design of the power amp circuit adopts Yamahaprime;s own,
uniquely developed Floating and Balanced Power Amplifier technology.
Adopting output elements with the same polarity on the plus and minus
sides of the output stage, and also completely separating the NFB
(Negative Feedback) circuit and power supply into total of four plus and
minus sides of the left and right channels, results in thoroughly
symmetric push-pull operation of the output stage, Completely floating
the entire power amp circuit from the ground removes any negative impact
of minute voltage fluctuations or ground noise. Moreover, the output
elements are comprised of MOSFETs, which provide a warm and natural
sonic character. The use of MOSFETs, which have the same polarity on the
plus and minus sides, further evolves the ideal of a complete
symmetrical design, to eliminate sound quality variations due to
difference in polaritymdash;a major distinguishing characteristic of the
Floating and Balanced Power Amplifiermdash;resulting in sound with a superior
signal-to-noise ratio and superbly well-defined sound field. All-stage fully discrete construction, balanced transmission and low impedance design
The A-S2100 has achieved a fully discrete configuration during tone
defeat, by thoroughly separating the tone control circuit from the
signal system. This not only increases response but also improves
slew-rate, and results in high range reproduction of greater vitality,
richness and smoothness. Signal transmission and amplification features
fully balanced transmission for thoroughly balanced operation, even of
the control system circuitry. Signal loss through transmission has been
significantly reduced, with the application of screw clamp connections
and thick cables in connecting the pre amp unit with the power amp unit,
which is vital for signal transmission, and in connecting the power
step to the speaker terminals. This improves the damping factor and
improves driver capacity and damping power of the speaker, resulting in
vibrant and powerful bass reproduction. Superior quality electronic volume control for optimum sound
Weprime;ve utilised a high-quality digital volume control specially
designed by New Japan Radio Co. , Ltd. , which consists only of
ladder-type resistance, removing the impact of slew-rate decline or
colouring of the sound, delivering higher purity in the sound, and
excellent, fast response to large volume changes and steep transients.
Moreover, the tone controls employ a triple-parallel method, minimising
the detrimental impact on sound quality seen with straight-line tone
controls. In addition, the bass, treble, and common circuits each
utilise simple construction in which the NFB of the amp is not used and
the CR elements are simply fixed in a straight line, ensuring
exceptionally pure sound reproduction even when tone control is applied
and superb response to audio signal transients. When tone defeat is
applied, straight signal flow from only one volume circuit to a discrete
configuration buffer amp is realised. Large capacity power supply unit delivers energetic, dynamic sound with fast responseThe A-S2100 employs an original EI transformer, carefully customised
for optimum compatibility with the chassis. Combining four large
capacity carbon sheath block capacitors delivers an energetic soundmdash;even
during high volumemdash;that is possible only with the A-S2100. Moreover,
since the control amp and control system is equipped with twelve shunt
type local regulators that prevent deterioration caused by currency
fluctuation, a clean and stable power supply is achieved. The EI
transformer is mounted on the chassis using brass washer, restricting
internal vibration that would result in noise.
Symmetrical design in pursuit of ideal stereo reproductionEnlarge
The left-right symmetrical construction with the power supply in the
centre and the power amp blocks on the ends achieves greater separation
of the left and right channelsmdash;necessary for proper two-channel stereo
reproductionmdash;and ideal weight balance. Including fine tuning by a centre
frame which extends from the front to the back of the casing, the
A-S2100 has superb mechanical rigidity and installation stability that
dramatically lessens the impact of external vibrations on sound quality.
Discretely configured phono ampThe phono amp is comprised of an MC head amp and an equaliser amp,
each of which are discretely configured, resulting in a rich sound with
pronounced musicality, when playing vinyl records with both MC and MM
phone cartridges.
Headphone amp with fully discrete configuration
The headphone amp also is equipped with fully discrete configuration,
for preeminent drivability and damping properties. Included as well is a
specialised level trimmer that responds to various load impedances. The
superior quality sound that only the A-S2100 can attain is yours to
enjoy, even when listening on headphones. Level meters visually reflect the dynamics in the music
The centre of the main unit features level meters that provide visual
enjoyment of the music as well, with the rapid and delicate movement of
the needles. The meter is illuminated softly from inside by LED, giving
a warm, beautiful lamplight look. The meter indicators can, along with
VU display, be switched to peak display, and can be selected according
to your preferences. The window of the meters has been precision-fit to
the panelmdash;completely flat, with no gapsmdash;for an elegantly beautiful
appearance. Elegant design with luxurious real wood panelsThe refined design and construction of the A-S2100 reflects Yamahaprime;s
commitment to fine craftsmanship and art, uniquely drawing on its long
experience as a world-class musical instrument maker. The metal front
panel and the side wood panels have been beautifully integrated by the
masterful use of advanced processing technology. Moreover, the dials and
tone controls are machined aluminium knobs, for a richly textured
finish and graceful touch.
Original speaker terminals combine ease of use and beauty with high sound qualityOur meticulous obsession with quality continues through to the
speaker terminals, which are the last and crucial link in the audio
chain. Featuring screw type terminals. with originally designed handles,
these are created by cutting pure brass, enabling secure connection
with no reduction in sound quality. Contoured to the shape of human
fingers, they not only look beautiful, but can be turned easily and
fastened tightly with minimal effort. They are also compatible with
connections using banana plugs.
Insulators allow use of spikes or pads
The insulators are crucial parts that block outside vibrations. They
adopt Yamahaprime;s original metal legs in order to maximise vibration
control performance. The user can select point installation by applying
the supplied spikes or plane insulation with the supplied pads, and use
these combined with an interlocking rack if desired. Remote control with simple design and superior texture
The supplied remote control features a design complementary to the
aluminium panel of the amplifier itself, with a simple,
easy-to-understand button layout and gorgeous metallic texture. In
addition to the basic volume adjustment and input switching controls of
the A-S2100, it can also be used for operation of the companion
Denumiri similare la Amplificator Yamaha A-S2100: A S 2100, AS2100, A S2100, A-S 2100

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