Japanese Hi-Fi has a unique history. In this column we explore the legendary audio equipment and engineers of Japan’s Golden Age of Hi-Fi.
Chapter 0: Why Did Japanese Audio Dominate the World in the 1980s?
The Momentum of Postwar Reconstruction
The story began immediately after the end of World War II.
Japan had become a defeated nation. The country lay in ruins, and economic activity was nearly destroyed. Yet even in such circumstances, men with indomitable spirit began to rise. Ironically, what strengthened them was their harsh wartime experiences and the confidence that came from having survived such desperate times. Large or small, they stood up in the burnt-out landscape with ambition and determination.
One of them was Masaru Ibuka, founder of Tokyo Tsushin Kogyo—later known as Sony. Ibuka established the company with the dream of creating a “dream factory” that would help rebuild postwar Japan.
Sony, which would today be called a startup venture, demonstrated remarkable technological ambition. The company independently developed magnetic recording tape and tape recorders, but one of its most important achievements was the practical application of transistors for audio use.
Although the transistor itself had been invented in the United States, Sony refined the technology and introduced the transistor radio. Soon afterward came fully transistorized tape recorders. Finally, in 1965, Sony released the TA-1120, the world’s first fully transistorized hi-fi integrated amplifier—a pioneering achievement.
Sony had been a relatively late entrant into Japan’s audio industry, but its breakthrough spurred rival manufacturers into action. Companies across the country rapidly adopted transistor technology in their audio equipment, and Japan suddenly emerged as a leading nation in audio technology.
Of course, many famous audio manufacturers already existed around the world, with histories and reputations that Japan could not yet match. However, Japan’s contribution to the popularization of audio equipment would prove enormous.
Companies such as Pioneer (formerly Fukuin Denki) and Diatone (Mitsubishi Electric), which had been active even before the war, also regained their momentum. Some manufacturers even built products using surplus materials released from former military industries during the chaotic postwar period—a testament to the resourcefulness of Japanese industry.
Military Demand and the Audio Boom
A major boost to Japan’s economy came from the special procurement demands generated by two wars initiated by the United States.
It is commonly said that Japan’s economic recovery in the 1950s was driven by the Korean War. However, for the audio industry, the Vietnam War had an even greater impact.
During the Vietnam War, many American soldiers passed through U.S. military bases located in Japan before heading to the front lines. At the PX stores on these bases, it became common for soldiers to purchase Japanese audio equipment and take it back to the United States when they returned home.
In fact, many Japanese audio manufacturers earned significant profits during this period. However, when the war ended, this demand suddenly disappeared.
Sales declined for many companies, and some manufacturers were even forced to carry out large-scale restructuring.
Yet another phenomenon soon filled the gap: the audio boom.
Young people began buying stereo systems and radio-cassette recorders as essential items. Alongside the so-called “big three” of Sansui, Trio (later Kenwood), and Pioneer, major electronics companies such as Sony, Victor, Columbia (Denon), and Yamaha expanded their presence.
Specialist deck manufacturers such as Nakamichi, TEAC, and Akai also flourished. In addition, major home-appliance companies entered the market: Matsushita Electric (Technics), Toshiba (Aurex), Hitachi (Lo-D), Sharp (Optonica), Sanyo (Otto), and NEC (Diango). Smaller companies such as Coral, CEC, and Micro Seiki also appeared in large numbers.
The result was fierce competition, which ultimately raised the overall technological level of Japan’s audio industry.
Large corporations with central research laboratories conducted their own materials research from the ground up. Smaller companies, however, had an important ally: NHK Science & Technology Research Laboratories (STRL).
NHK’s research institute played a leading role in the development of FM stereo broadcasting technology. This work led to advances in cartridges, microphones, and loudspeakers, as well as research into digital recording technology—supported by generous funding.
Of course, NHK itself had no manufacturing capability. Instead, the technologies it developed were provided to audio manufacturers, leading to numerous jointly developed products.
In other words, a combination of special procurement demand, the audio boom, and the presence of major research institutions such as NHK contributed to the rapid advancement of Japanese audio technology.
Yet perhaps the most important factor was cultural. The act of development itself seemed to suit the Japanese temperament.
I do not believe that Japanese people are inherently more intelligent than others. Nor are they born with particularly skillful hands. However—this is my personal impression—when given a problem to solve, many people become completely absorbed in it.
This is something I have often felt when speaking with retired engineers from audio manufacturers. They would conduct experiments late into the night at the company, work through holidays, and sometimes even spend the New Year holidays drawing circuit diagrams at home while sitting under a kotatsu.
In short, they worked tirelessly without worrying about efficiency.
I do not necessarily think this was a good thing. But there is no doubt that this relentless dedication played a role in the evolution of Japanese audio technology.
America: The Land of Dreams
When speaking with retired engineers—especially those who were active in the 1970s and 1980s—one word often comes up: America.
For them, America represented the vast and wealthy nation that had defeated Japan in the war.
Saburo Akai, founder of Akai Electric, once saw Americans enjoying parties at Japanese tourist resorts and described the United States as a “dream country.” Rather than selling products only in poor postwar Japan, he believed Japanese companies should sell their goods in the wealthy American market.
Etsuro Nakamichi, founder of Nakamichi, introduced a $1000 high-end cassette deck in the United States.
Many famous Japanese audio manufacturers actually sold more products overseas—particularly in the United States—than in Japan itself. This was true even during the height of the Japanese domestic audio boom.
In that sense, one could argue that America played an important, if indirect, role in the development of Japan’s audio industry. Perhaps this was because American consumers tended to appreciate good products regardless of brand or origin.
Yet from today’s perspective, there is an irony in this story. The very success of Japanese manufacturers in Western markets—and the resulting export surplus—would eventually contribute to the trade frictions of the 1980s.