Pachet Amplificator Integrat Marantz PM-KI Ruby + Boxe Davis Acoustics Courbet N 5

  • Pachet Amplificator Integrat Marantz PM-KI Ruby + Boxe Davis Acoustics Courbet N 5
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32749,00 RON / Pachet 27790,00 RON / Pachet
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Pachetul contine

  • Amplificator Integrat Marantz PM-KI Ruby

  • Boxe Davis Acoustics Courbet N 5

Amplificator Integrat Marantz PM-KI Ruby

Marantz PM-KI Ruby Ken Ishiwata Signature Reference Integrated Amplifier

Marantz has been designing and making amplifiers for more than 65 years, and for 40 of those the products have reflected expertise of Ken Ishiwata. Now, to mark his four decades with the company, the PM-KI Ruby amplifier has been developed and tuned by a highly experienced engineering team led by KI himself. It features a fully discrete two-stage design with separate power supplies for the pre-amplifier and power amp — plus, a moving coil/moving magnet phono stage complete with Marantz Musical Premium Phono EQ circuit and Marantz HDAM technology for signal purity and exceptional audio quality. PM-KI Ruby is built on a vibration-resistant double layer chassis with thick aluminum panes for rigidity and features a laser-engraved Ken Ishiwata signature to commemorate his legacy.
Key Features

  • Engineered and extensively tuned legendary Marantz sound master Ken Ishiwata and his team, drawing on more than 65 years of Marantz amplifier design knowledge
  • Marantz high-resolution preamplifier stage with proprietary HDAM technology
  • Switching power amplifier design derived from flagship PM-10 amplifier
  • Generous output: 100W + 100W (into 8ohm), 200W + 200W (4ohm)
  • Fully-discrete, two-stage design for signal purity, with separate power supplies for preamp and power amplifier sections to reduce interference
  • Toroidal transformer dedicated to preamp for clarity and powerful sound
  • Current feedback design with newly-developed wide-range circuitry
  • HDAM® SA3 circuitry for clean signal and optimal dynamics
  • MM/MC Phono input with new discrete Marantz Musical Premium Phono EQ circuit
  • Thick nickel-plated copper independent input terminals for CD and Phono, plus Marantz-original high-quality/high-purity copper-plated speaker terminals
  • Linear volume control with new electric volume system
  • High-quality construction with double-layer chassis, 5mm thick aluminum top lid, solid aluminum front and copper-plated chassis
  • High-grade, carefully selected audio parts: ultra-low leak current Schottky diodes, low noise complementary transistors, high-grade resistors, newly developed custom electrolytic capacitors, audio grade film capacitors and mica capacitors.
  • Laser-engraved Ken Ishiwata signature and Ruby motif, marking Ishiwata′s 40-year Marantz legacy

Celebrating 40 Years of Passion

Designed to celebrate the 40-year anniversary of legendary Marantz sound master, Ken Ishiwata, PM-KI Ruby features pinnacle performance that′s synonymous with Marantz excellence. Complete with thoughtful engineering, painstaking tuning and extensive listening sessions, PM-KI Ruby achieves the elevated output worthy of its name. Elegantly shows Ishiwata′s laser-engraved signature to commemorate the design and heightened listening experience that honours the decades-long partnership between him and Marantz.

Extensive Sound Tuning

Led by Ken Ishiwata′s extensive, meticulous approach to tuning, the larger Marantz engineering team applied more than 65 years of experience and HiFi knowledge to create PM-KI Ruby, resulting in a final product that is a testament to Ken Ishiwata and the Marantz legacy.

Marantz HDAM Technology

Marantz developed its own discrete circuit boards called Hyper-Dynamic Amplifier Modules, or HDAMs, to replace the chip-based amps used elsewhere. Using discrete surface mount components with short mirror-image left and right signal paths, HDAMs outperform the regular integrated Op-amps dramatically in Slew Rate and noise level. The result is much more dynamic, accurate and detailed sound. Over the years, Marantz has developed different HDAMs to fit the particular requirements of players and amplifiers. The PM-KI Ruby uses the latest high-grade SA3 version. Combined with optimized circuit design layout and carefully selected components, the PM-KI Ruby provides exceptional sound quality and performance.

Marantz Musical Premium Phono EQ

Designed to deliver optimal sound quality by simplifying the signal path, the Marantz Musical Premium Phono EQ stage in the PM-KI-Ruby amplifier can be used with both moving magnet and low-output moving coil cartridges, thanks to a built-in MC head amplifier. Distortion is reduced by using two-stage amplification in the phono stage, and Marantz HDAMs are combined with JFETs (junction gate field effect transistors) in the input stage, giving high input impedance. The exclusion of coupling capacitors further simplifies the design, reducing signal distortion and enhances signal purity.

High Quality Volume Control

Newly developed electric volume control uses the latest volume control IC to realize better channel separation, dynamic range and distortion-reduction, while retaining the operational feel of an analogue volume control device. The amplifier employs new Marantz-designed electric volume control for high linearity and best-in-class channel separation.

Current Feedback Amplifier

Current Feedback amplification is a well-known, Marantz-original circuit technology, thoughtfully designed to match the requirements of Super Audio hi-res music for wide-bandwidth, high-speed reproduction. The impedance at the Current Feedback point is limited, generating a very low phase shift. Marantz Current Feedback amplifiers reduce the need for phase compensation by minimizing Negative Feedback (NFB). This simplifies the signal path and results in a high through-rate, excellent transient response and superb sonic transparency across the full bandwidth. Unlike conventional Voltage Feedback topology, Current Feedback also makes the power amplifier insensitive to difficult loudspeaker loads.

Balanced Power Amplification

Drawing on design elements of the PM-10, the PM-KI Ruby is built to leverage enhancements, maintain the purest possible sound and support the power needed to drive the most demanding speakers. The amplifier output stage of the PM-KI Ruby allows a large power output, delivering 2x100W into an 8ohm load, and easily copes with high-impedance speakers thanks to a 2x200W output into 4ohms. The amplifier module connects directly to the rear panel PCB on the PM-KI Ruby to maintain signal purity and sound stability.

Pure Analogue Design

The purely analogue design of the PM-KI Ruby contributes to its noise-reduction structure and clean build. Rather than build the DAC into the amplifier, which would add noise within the chassis, Marantz built the PM-KI Ruby without one and then implemented the DAC in the SA-KI Ruby Super Audio CD Player. This eliminated interference with the delicate analogue signals passing through the amp, maintaining an analogue environment that′s as pure and clean as possible.

Carefully Selected Components

Marantz has a steadfast reputation for choosing the best-possible components for its Premium Series products. The Marantz alternative to the “amplifier on a chip” IC components, the HDAM, is a miniature amplifier module built entirely of discrete components. Marantz engineers selected and optimized the HDAM through extensive listening in dedicated Marantz facilities in Europe and Japan. Extensive, painstaking and meticulous tuning has long been the secret of exquisite-sounding Marantz amplifiers. During the development stage, every part is carefully selected, tested and validated by Marantz audio engineers to ensure audio perfection every time you listen.

Multiple Analogue Inputs and Outputs

In addition to phono and CD analogue inputs, the PM-KI Ruby features two line-level inputs and two pairs of recorder input/output jacks that enable the connection of multiple sources and recorders. Use the PM-KI Ruby as a standalone stereo power amplifier for additional system configuration versatility with the included power amp input, or connect the PM-KI Ruby to an external power amplifier via the stereo pre-amp outputs.

Dedicated Headphone Output

Using Marantz-proprietary HDAM discrete modules, the headphone circuit delivers superb audio fidelity with the widest range of headphone types and impedances, including low impedance headphones.

System Remote Control

Use the elegant remote control to operate the PM-KI Ruby as well as the complementary SA-KI Ruby Super Audio CD Player. The PM-KI Ruby features remote control input and output jacks for additional remote control configuration flexibility.

Built to Perform

Like the complementary SA-KI Ruby Super Audio CD player, the PM-KI Ruby integrated amplifier is constructed to the highest standards with a copper-plated chasses to reduce mechanical and electrical interference. A front panel constructed from thick, heavy, non-magnetic aluminum panels and an 5mm dense aluminum top cover eliminate added interference. Nickel-plated copper independent input terminals for CD and Phono plus Marantz-original high-quality/high-purity copper-plated speaker terminals ensure the best signal possible.

More Than 60 Years of Audiophile Heritage

Founded in 1953, Marantz has a long and rich history of designing audio components embraced by music lovers and critical listeners around the world. Because Music Matters, the PM-KI Ruby carries on our long tradition of delivering a best-in-class listening experience for music and cinema.

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.

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.

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.

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.

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