The company was originally established in 1910 as part of Nippon Chikuonki Shokai (Japan Recorders Corporation), a manufacturer of single-sided disc records and gramophones. The company was originally called 日本電氣音響株式會社 – Nippon ‘DENki ONkyo Kabushikigaisha’ which was shortened to the name of DEN-ON in Japanese. The company is actively involved with sound systems electric appliance production and later the company has been merged with other related companies as a result of this the company name became Denon.
There followed a number of mergers and tie-ins over the next few decades as firstly the company merged with Japan-US Recorders Manufacturing in 1912 and then in 1928 the brand “Columbia” was introduced when the company became Japan Columbia Recorders. A further change of name occurred in 1946 when the company renamed itself Nippon Columbia.
The Denon brand was first established in 1947 when Nippon Columbia merged with Japan Denki Onkyo. D&M Holdings Inc. was created in May 2002 when Denon Ltd and Marantz Japan Inc. merged.
Today, the company specializes in professional and consumer home cinema and audio equipment including A/V receivers, Blu-ray players, tuners, headphones, and wireless music systems. Denon is also known for high-end AV receivers and moving coil phonograph cartridges. Two M-series models, the Denon M31 and M30, were the most successful radio hi-fi’s in the mid-2000s. Since being released to the micro hi-fi DAB market, they have received several awards in Europe.
1 - Electrolytic capacitors are among the most important in an audio equipment and replacing them with high-quality capacitors from the factory will improve the sound quality
2 - Electrolytic capacitors have life of work 1000-2000h then begin to lose their qualities
3 - The use of Audio-Grade Capacitor Nichicon / Elna which are made specifically for audio equipment from high-end will make your machine in good times higher
What is audio grade capacitor?
This is capacitors specifically for audio applications. These are designed to give premium sound quality when compared to general purpose capacitors. Nichicon's MUSE series and Elna SILMIC II, ideally suited for first class audio equipment where qualitative and quantitative characteristics are required.
What you should know when you make replacement
1 Mark all cables when separate circuit boards to avoid confusion in the assembly
2 All capacitors meet on parameters of old, replace them one by one so as not to get confused!