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By PRAGON
Item Condition: New in box Shipping Options: Pickup available but audition is not available.,Pickup available and you can audition.,Shipping is included in price. Suburb or Town: Sunnybank hills State: Queensland Payment Method: Paypal, EFT, Cash on Pickup Reason for selling: Need money Further information:
Marantz PM-KI Ruby Ken Ishiwata Signature Reference Integrated Amplifier in GOLD
This is one set Brand New Marantz PM-KI Ruby Ken Ishiwata Signature Reference Integrated Amplifier in Gold Panel. MADE IN JAPAN in 230V.
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. . 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 honors 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 analog 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 Analog Design
The purely analog 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 analog signals passing through the amp, maintaining an analog 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 Analog Inputs and Outputs
In addition to phono and CD analog 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.
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By eostre23
I'm just enquiring as to which would be best suited overall for running to my Audio Monitor Silver 500 Floorstanders?
I know there are several factors involved but general opion & advice would be gratefully received.
Thanks in advance.
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By Tom Dougherty
Item Condition: Good used condition, in original box. Remote, power cord and manual included. Shipping Options: Pickup available but audition is not available.,Pickup available and you can audition.,Shipping is included in price. Suburb or Town: Adelaide State: South Australia Payment Method: Paypal, EFT, cash on pickup Reason for selling: Upgraded to new amplifier Further information:
Purchased brand new in 2010. Was used as my main amplifier for 3 years before upgrading to a more powerful amplifier (for new speakers).
Kept in storage in original box ever since, I intended to use it for a second system but with first child on the way I have decided to part ways with it.
Brilliant 40Wpc (into 8 ohms or 55Wpc into 4 ohms) amplifier.
This got some great reviews when they were released:
https://www.stereophile.com/integratedamps/marantz_pm5003_integrated_amplifier/index.html
Postage can be arranged.
Note: Listed elsewhere
Photos: Advertisements without photos of the actual item will not be approved.
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By Naz.shr
Item: Budget CD Player in good working order
Price Range: 150 - 350
Item Condition: Used
Extra Info: Looking for a good condition used CD player from reputable brands - NAD, Rotel, Marantz, Denon etc. Currently using a cheap Sony cd player model CDP-397 and looking to upgrade to a better player. Bought a 5 disc sony player recently and had to get rid of it as it produced a loud hum.
I am in Perth (6060) Thank you.
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By LCOKE
Item Condition: Very Good, working Shipping Options: Pickup available but audition is not available.,Pickup available and you can audition. Suburb or Town: LALOR PARK State: New South Wales Payment Method: Cash, Paypal Reason for selling: Not needed, clearing out old equipment for space Further information:
Unit is in original and working condition
Sound quality is great, however some channels are scratchy and requires additional aerial if under metal ceilings.
No refurbishment, has only been cleaned since original purchase
No shipping provided due to large shipping cost.
Photos:
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