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This profile was last updated on 11/23/13  and contains information from public web pages.

Mr. Ken Ishiwata

Wrong Ken Ishiwata?

Brand Ambassador

Phone: (630) ***-****  HQ Phone
Local Address: Saskatchewan, Canada
100 Corporate Drive
Mahwah, New Jersey 07430
United States

Company Description: Marantz America is committed to upholding the tradition of technological superiority initiated by founder Saul Marantz. In keeping with this emphasis on quality,...   more

Employment History

138 Total References
Web References
Audio equipment amplifiers speakers - Audio Junction, 23 Nov 2013 [cached]
Marantz, a world leader in advanced home entertainment solutions, is celebrating 30 years of visionary guidance from its European Brand Director, legendary audio designer Ken Ishiwata.
The daylong event included a technical ..., 28 Mar 2013 [cached]
The daylong event included a technical presentation by Rainer Finck, former Philips digital engineer and now Boston Acoustics European General Manager, and from Ken Ishiwata, Marantz's "Brand Ambassador" and unofficial keeper of the company's "audiophile flame," a detailed company history along with a backgrounder on his involvement in the finalizing of the NA-11S1's design.
Following lunch, attendees were treated to a listening session in Mr. Ishiwata's playground: an impressively large and well-treated sound room. The listening session reinforced the commonly held belief that he is among the most skilled set-up and demo hosts in the business.
Mr. Ishiwata said dealers, when surveyed, were adamant that video not be included. He said he was relieved because the noise problems produced by video circuitry are even more difficult to isolate than the ones associated with USB-even asynchronous USB- that the NA-11S1 incorporates.
The problem is that while transformer-coupled Ethernet connectivity is inherently isolated and noise-reducing, the USB standard includes a 5V power function that unless carefully isolated, can introduce high noise levels. In fact, Ishiwata was so unhappy with the proposed production sample's isolation scheme, he rejected it.
The fully balanced analog section features Marantz's HDAM-SA2 and HDAM modules, while capacitors and other components were chosen based upon extensive listening tests conducted by Mr. Ishiwata who pointed out that a series of copper topped capacitors that looked great were replaced by some nichicon silver topped ones that sounded better.
While the "future-proof" product launch was impressive both technologically and sonically, Ken Ishiwata's oral history of Marantz-made more compelling by his long association with the brand- was one of the trip's high points, especially his insight that, coincidentally or not, the company changed hands during technological upheavals.
Here's where the young Ken Ishiwata, then living in his native Japan, enters the picture. A friend's father played for him a Julie London record using a Marantz 7C (the "C" is for "wood case" not a different model) and instantly Mr. Ishiwata's life forever changes. He had never heard such sonic purity and such realistic sounding vocals.
The young man could hardly afford to buy a 7C but he copied the circuit and built his own. It didn't sound anything like the real 7C and thus he learned the hard way how various different components within a circuit can alter the sound! Experimenting with various brands of capacitors and other components, Mr. Ishiwata was eventually able to turn his version of the 7C into a reasonable facsimile of the real thing.
The 7T, a transistor version of the 7 was introduced, but according to Ishiwata, it didn't sound the same or even very good.
Another interesting factoid from Ishiwata was that the 16 bit system was not settled upon because of technological issues. In fact, higher bit depth was then easily attainable. The real reason for the 16 bit format was that it made easier downgrading the technology to produce less expensive equipment. Yet another reason for some of us to be infuriated by the CD!
Hopefully this "history lesson" courtesy Mr. Ishiwata gives younger audio fans the necessary background to appreciate the value of the brand name Marantz and to understand how despite the numerous ownership transfers, the brand has survived with its sonic legacy intact-which is more than can be said for some of the other storied audio brands created by post WW II electronics entrepreneurs.
Thanks in great part to Mr. Ishiwata's history lesson the two day trip to Eindoven (I was the only American audio writer invited) furthered my appreciation of Marantz products past, and created a benchmark by which I will evaluate future Marantz products.
One of the keys to the ..., 9 Nov 2012 [cached]
One of the keys to the enhanced performance and wide sonic dispersion of the M Series is the innovative Balanced Mode Radiator (BMR), reported to be a favourite speaker technology of Ken Ishiwata, a brand ambassador for Boston Acoustics. Ishiwata is one of the most influential people in the high-end audio industry and a crucial figure in the development of the CD. The BMR is utilised in the MSurround and the MCenter products in the Boston M Series family.
Ken ..., 13 Feb 2013 [cached]
Ken Ishiwata
And because the "reference quality" tuning is designed by the legendary Ken Ishiwata, every detail is reflected with pin-point accuracy.
Interview with Ken Ishiwata
Interview with Marantz brand ambassador, Ken Ishiwata
Ken ..., 29 June 2013 [cached]
Ken Ishiwata Marantz SK | Ken Ishiwata Turn on more accessible mode Turn off more accessible mode Skip Ribbon Commands Skip to main content
Ken Ishiwata
Ken Ishiwata
Ken Ishiwata
Ken Ishiwata
By Ken Ishiwata
Ken Ishiwata is probably the single most influential personality in today's high-end audio industry. Universally acclaimed for his remarkable talent in conceptualising stunning sound reproduction, his views and visions are avidly reported by the world's HiFi press - and avidly consumed by the world's music lovers.
For more than 30 years he has been combining his love of music with his conceptual engineering design approach to create unparalleled high-quality audio products.
Ken Ishiwata has been intimately exploring all newly-designed Marantz units. Only after his approval are they introduced to the world so that other lovers of music can experience the moment.
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