Pachet Amplificator Integrat Yamaha A-S1100 + Boxe Davis Acoustics Courbet N 5

  • Pachet Amplificator Integrat Yamaha A-S1100 + Boxe Davis Acoustics Courbet N 5
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Pachetul contine

  • Amplificator Integrat Yamaha A-S1100

  • Boxe Davis Acoustics Courbet N 5

Amplificator Integrat Yamaha A-S1100

Complete inheritance of the superior qualities of Yamaha′s Emotional & Dynamic sound.Dedicated single-ended high-grade integrated amplifier design that faithfully draws out all the intrinsic value of your favourite player or D/A converter.


  • Floating and Balanced Power Amplifier with MOSFETs
  • Dedicated single-ended amplifier for all types of audio sources
  • All-stage full discrete configuration for strong reproduction of high notes
  • Thorough low impedance design ensures powerful bass response with extremely
  • Superior quality electronic volume control for optimum sound dynamic, energetic feel
  • Large capacity power supply unit delivers energetic, dynamic sound with fast response
  • Symmetrical design in pursuit of ideal stereo reproduction
  • Discretely configured phono amp
  • Level meters visually reflect the dynamics in the music
  • Elegant design with luxurious real wood panels
  • Original speaker terminals combine ease of use and beauty with high sound quality

Floating and Balanced Power Amplifier with MOSFETs

The basic design of the power amplifier 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 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 amplifier 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-tonoise ratio and superbly well-defined sound field.

Dedicated single-ended amplifier for all types of audio sources

Since this device employs a dedicated singleended amplifier, it provides excellent response in amplification of single-ended analogue sound from all kinds of audio sources, such as CD players of D/A converters—and the A-S1100 takes advantage of this in having been carefully fine-tuned for optimum sound quality. By fully utilising single-ended amplification, the A-S1100 transparently draws out the intrinsic qualities of your favourite audio devices, including those made by other manufacturers.

All-stage full discrete configuration for strong reproduction of high notes

This amplifier adopts an all-stage fully discrete configuration through all sound circuit stages, using only the most meticulously selected high-precision parts from input to output. (Applicable during tone control circuit defeat.) The slew-rate of the audio signal has been improved to bring lively and strong response to high musical notes. Moreover, the tone control circuit lets you switch to defeat state and enable a full discrete configuration that bypasses the op-amp IC of the internal circuit, simply by setting the BASS/TREBLE knobs to their center points.

Thorough low impedance design ensures powerful bass response with extremely dynamic, energetic feel

By strengthening the capacity of the high current route (raising the section area of the cable core wire to about 60% of that of the A-S1000) and by pursuing thorough low impedance design, including forming screwclamped wire connections of major ground points, the A-S1100 boasts excellent speaker drive power with a damping factor of more than 250 (8Ω, 1kHz). Along with the large-capacity power source transformer equipped with an EI core, this design delivers bass reproduction that is both strong and uplifting.

Superior quality electronic volume control for optimum sound

We′ve utilised a high-quality digital volume control specially designed by New Japan Radio Co., Ltd., which consists only of adder-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 response

The A-S1100 employs an original EI transformer, carefully customised for optimum compatibility with the chassis. Combining four large capacity carbon sheath block capacitors delivers an energetic sound—even during high volume—that is possible only with the A-S1100. 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 reproduction

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 channels—necessary for proper two-channel stereo reproduction—and ideal weight balance. Including fine tuning by a centre frame which extends from the front to the back of the casing and specially made metal legs (selectable from spike or pad), the A-S1100 has superb mechanical rigidity and installation stability that dramatically lessens the impact of external vibrations on sound quality.

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 phono cartridges.

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 panel—completely flat, with no gaps—for an elegantly beautiful appearance.

Elegant design with luxurious real wood panels

The refined design and construction of the A-S1100 reflects Yamaha′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 quality

Our 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.
* Banana-plug compatible speaker terminals are available in some regions.

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-S1100, it can also be used for operation of the companion CD-S2100.



Boxe Davis Acoustics Courbet N 5


Acest model face parte din seria Courbet a producatorului Davis Acoustics!

Seria Courbet este unica ca urmare a unor noi si unice componente folosite de producatorul Davis in incintele acestei serii. Unicitatea provine in primul rand de la utilizarea revolutionarului Tweeter Davis TW28LD ce are urmatoarele caracteristici:
- decompresie dublă: decompresia cupolei care are un volum de încărcare închis; amortizat și reglat; decompresia suspensiei
- un circuit magnetic optimizat: magnet Neodymium clasa superioara, supradimensionat; piese specifice de pol pentru a obține linii de câmp absolut paralele pe întreaga înălțime a spațiului de aer
- o cupola amortizata acoperita de matase cu un compus polimeric care respinge primul mod de fractionare de peste 26.000 Hz
- o bobina mobila de cupru/aluminiu cu inductanta foarte mica (eliberand astfel extrema acuta) și o masa foarte mica (care promoveaza o buna eficienta).

Toate aceste caracteristici tehnice, combinate, au facut posibila obținerea unui tweeter excepțional:
- care asigura o lizibilitate excelenta, o definiție mai mare (chiar si pe pasaje muzicale complexe);
- care promoveaza dinamica pentru un sunet mai realist
- care ofera un raspuns liniar de frecventa de la 1500 la 22.000 Hz, cu o sensibilitate de 92 dB.


Design:
Pentru această gamă, Davis a ales să creeze niște forme simple și pure, boxa usor inclinata spre spate oferind astfel o scena mult mai adanca fata de alte boxe, o finisare de exceptie, acest model poate fi usor integrat in orice camera.

Puritatea formelor și puritatea sunetului este lait motivul acestei game foarte frumoase de produse. La acestea se adauga și progresele tehnologice care asigura o calitate optimă a sunetului.

Linearitatea frumoasa a curbelor de raspuns asigura o transparența perfecta și, prin urmare, permite ore indelungate de auditie fara ca sunetul sa devina stresant sau obositor.

Aceste boxe sunt disponibile în culoare negru sau alb.


Versatilitate:
Aceasta gama de boxe a fost proiectată pentru sistemele HIFI Premium sau Home Cinema.

Boxele sunt single wire, practic un singur set de socket-uri in spatele boxei face foarte usoara conectarea acestora cu cablul de boxe catre amplificator.
Grile de protecție este fina și eleganta.
Portul bass reflex este dispus în partea din față a incintei pentru a reduce incidența distanței dintre boxe și peretele din spate.


Performanță:
Din punct de vedere tehnic, gama Courbet se bazeaza pe acest tweeter nou, fara distorsiuni, pe un driver de medii din kevlar, iar driverii de bas din fibra de carbon, fiind intariti pentru a asigura un bas adanc, serios si foarte bine controlat.
Acest material scump (fibra de carbon pentru difuzoarele de basi) are avantajul de a avea un raport de rigiditate / greutate foarte bun, pentru a evita deformarile membranelor, in special in timpul curselor mari. In acest fel, se obțin frecvente joase armonizate, ceea ce conduce la o mai bună interpretare a frecventelor joase, implicit a micro-detaliilor in zona aceasta de frecventa. Acest material, bine cunoscut de laboratorul Davis de inginerie (deoarece a fost folosit de mai bine de 30 de ani la Davis Acoustics) este in general utilizat în modele concurente mult mai scumpe.

Inca o data, Davis a ales sa produca filtre de distribuție a frecvenței cu o cablare in air. Aceasta tehnica, care se opune filtrelor cablate pe circuite imprimate, permite o conexiune electrica mult mai buna intre diferitele componente. Acestea sunt, prin urmare, sudate direct intre ele. Aceasta tehnica veche si artizanala asigura o pierdere minimă a semnalului inițial, garantand tocmai aceleasi pante de taiere ca cele definite de laboratorul Davis.

Pentru intreaga gama Courbet, componentele electrice au fost selectate pentru a pastra transparența și dinamica boxei. S-au facut eforturi suplimentare pentru alegerea cablurilor interne, teflon din TEFLON PTFE
Recomandat pentru încăperi intre 20-45 m2.
Difuzorul va fi strâns la ureche: începeți prin poziționarea difuzoarelor în paralel unul cu celălalt, apoi îndreptați-le ușor spre zona de ascultare, până când găsiți punctul de auditie potrivit (unde toate registrele par coerente și unde trebuie să simțiți Imaginea dimensională 3D).
Dacă este posibil, efectuați ajustarea finală a boxelor după finalizarea procesului de rodaj (aproximativ 30 de ore de ascultare la un nivel de sunet bun).

Courbet N ° 5 este cea mai mica boxa de podea din gama Courbet, insa fiind extrem de compacta cu inaltime de 98cm si o latime de 16cm este usor de integrat in orice camera. Sunetul este unul HiFi Premium, extrem de bine echilibrata, cu un bass puternic, medii transparente si inalte unice datorita noului tweeter Davis TW28LD.

Nu sunt recenzii pentru Pachet Amplificator Integrat Yamaha A-S1100 + Boxe Davis Acoustics Courbet N 5. Fii primul care scrie una!


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