Yamaha A-S3000

New product

  • Rigid Streamlined Construction
  • Comprehensive low impedance design, shortened signal paths and copper-plated chassis
  • Left-right symmetrical design for independent pre amp and power amp blocks
  • Floating and Balanced Power Amplifier with MOSFETs
  • Direct drawing toroidal transformer for complete elimination of signal transmission loss
  • Superior quality electronic volume control for optimum sound
  • Discretely configured phono amp
  • Indent Order Lead-Time: 3-4 Months Estimated

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Data sheet

Height :180 mm
Width :435 mm
Depth :464 mm
Product Weight :24.6 kg
Frequency Response :5 Hz - 100 kHz (+0 dB/-3 dB)
Analog Audio Input / Output :8 / 2
Preout Terminals :Yes
Total Harmonic Distortion :0.025% (CD to Sp Out, 20 Hz-20 kHz)
Output Power (8 Ohms, 20 Hz - 20 kHz, 0.07% THD) :90 W + 90 W
Phono Input :Yes
Signal-to-Noise Ratio (CD) :103 dB (S: 200 mV)
Headphone Output :Yes
Bi-amp capability :Yes
XLR In / Out :2 / 0
Damping Factor :250
Remote Control Unit :Yes
Warranty1 Year

More info

Profoundly accurate sound with the full expressive power of the music. Exceptional sonic purity, elimination of signal loss—in an exquisite, elegant design.The supreme culmination of the Yamaha line—the A-S3000.


Rigid Streamlined Construction - provides strict anti-vibration protection, and enables shortest cabling routes

The A-S3000 has adopted a newly designed highly rigid double structure construction in order to achieve profoundly pure and accurate audio amplification. The bottom chassis and insulator ward off external vibration, and provide each circuit board a floating structure supported by an independent inner frame, thoroughly eliminating the impact of vibration. And the power source unit, which consists of a power transformer and capacitors, which are major sources of internal vibration, is fixed firmly with a three-dimensional structured inner frame, and is supported solidly by the front panel and the rear panel. The power amp circuit board and the weighty heat sink are attached to the left and right inner frames. The power supply unit and amplifier circuits are thus structurally isolated, achieving an ideal chassis structure which thoroughly blocks the transmission of vibration. Moreover, the inner frame that supports the power transformer is shaped with ample space below it, allowing passage of the wiring to each circuit over the shortest possible route. The newly developed chassis with this innovative structure helps to minimise the length of the signal paths and achieve low impedance, as well as providing high rigidity and anti-vibration benefits. The result is a dramatic reduction in signal loss, for remarkably pure audio amplification.


Large toroidal transformer, solidly mounted with independent three-dimensional inner frame

An independent three-dimensional inner frame has been employed in order to provide a more solid mount for the large toroidal transformer, which is installed in the centre of the A-S3000, considering the ideal weight balance. The completely copper-plated inner frame has a structure which integrates the front-back and left-right frames with a convex-shaped highly rigid main frame as its base, reducing vibration coming from all directions. For the base, to which the power transformer is installed on the inner frame, brass was selected by strictest examining the particular sonic properties of various materials by exhaustive listening tests. This material effectively reduces vibration caused by the power transformer, helping to create sound of greater clarity and spaciousness.


Comprehensive low impedance design, shortened signal paths and copper-plated chassis

In order to achieve the absolute purest signal transmission, capable of communicating even the most subtle nuances of the music and its powerful dynamism—for example, reproducing powerful, agile low frequencies, and portraying all the emotional nuances of the human voice—we’ve methodically pursued low impedance throughout the A-S3000. Using a double construction design creates space for cables under the bottom of the chassis, enabling the shortest cable path for the supply of power from the transformer to the power stage and for the audio signal transmission path. This helps to eliminate signal transmission loss and to smoothly supply power, even during high-volume transients, and allows more direct audio reproduction without even the slightest adverse effect on the music. Also, the three-dimensional inner frame to which the power transformer is mounted is copper plated. Extremely low impedance is assured by lowering the ground potential. This sharply lowers the impact of noise, and delivers a profound and richly emotional sound—one that perfectly communicates all the original expression of the artist.


Six mm thick top panel made of non-magnetic aluminium plate

The top panel and the front panel are made of aluminium, a non-magnetic material, in order to eliminate any adverse effect on the audio signals. In the course of strictest examination of the sound quality, the front panel thickness was set at 7mm and the top panel was set at 6mm. This helps to realise an exceptionally natural, spacious sound by providing a highly rigid chassis structure, and at the same time, skillfully controlling the impact of vibration. Moreover, heat dissipation openings on the top panel were formed by high precision cutting from both sides - front and back - of the panel, and finished with thorough scrupulous attention to every detail. Stylish slits in the centre, matching the companion CD-S3000 and its design, strongly emphasise the powerful power source unit inside by having the same width as the power transformer.


Insulators allow use of spikes or pads

The insulators are crucial parts that block outside vibrations. They adopt Yamaha’ 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.


Left-right symmetrical design for independent pre amp and power amp blocks

The amplifier circuit design features independent pre amp and power amp blocks, and perfect left-right symmetry. Separation of the pre amp, which handles low energy signals, from the power amp, which handles high-energy amplified signals, greatly reduces sound deterioration caused by mutual interference. Moreover, the left-right symmetrical design, which keeps the left and right power stages completely separate, ensures greater channel separation and enhances clarity of the stereo image.


Floating and Balanced Power Amplifier with MOSFETs

The basic design of the power amp circuit adopts Yamaha’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 a 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 polarity—a major distinguishing characteristic of the Floating and Balanced Power Amplifier—resulting in sound with a superior signal-to-noise ratio and a superbly well-defined sound field.


All-stage balanced transmission

The A-S3000 features fully balanced signal transmission. Moreover, the control system circuits (volume, tone, etc.) of the pre amp feature totally balanced operation, realising ideal balance in all stages.


Direct drawing toroidal transformer for complete elimination of signal transmission loss

The cabling of the power transformer adopts an ingenious method in order to significantly reduce impedance. The winding of the transformer itself is directly connected to the terminal with a screw, unlike with conventional cabling. This enables a power supply which thoroughly limits connection loss and energy loss caused by soldering. The toroidal transformer was selected with top priority on sound quality, contributing superior strength, as well as a profoundly natural and spacious sound.


Discretely configured phono amp

The 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.



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Yamaha A-S3000

Yamaha A-S3000

  • Rigid Streamlined Construction
  • Comprehensive low impedance design, shortened signal paths and copper-plated chassis
  • Left-right symmetrical design for independent pre amp and power amp blocks
  • Floating and Balanced Power Amplifier with MOSFETs
  • Direct drawing toroidal transformer for complete elimination of signal transmission loss
  • Superior quality electronic volume control for optimum sound
  • Discretely configured phono amp
  • Indent Order Lead-Time: 3-4 Months Estimated

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