MJ Musen to Jikken June 2023 Magazine Japanese BOOK

2023/5/10

MJ; radio; radio and experiment; audio; vacuum tube; stereo; sound quality; record; headphone amplifier;

[Special Feature] Techniques for Improving Sound Quality in Speaker Systems
● Improving the sound quality of the speaker system through vibration countermeasures Isao Shibasaki
●Improve sound quality by replacing spikes on speaker stands Chitake Inoue
● Improved sound quality with Teflon-coated speaker cables Ikuo Tsunoda
● A previous generation speaker system and speaker cable Mitsugu Kobayashi
●Tips for installing speakers Koichi Hanzawa
● Placing a small speaker on the audio board Takashi Iwai
● Production of speaker stands and networks Masashi Yanagisawa
● How to install the speaker unit Susumu Soya
● Listen to the best sound source and tune up Takahisa Ozawa
● Network capacitor upgrade Kohei Suzuki
● Towards rebuilding the Yamaha NS-1000M network Hiroshi Ueno

"Original sound system production"
●Consists of a single power supply. Maximum output 7W 6BX7GT push-pull all stages direct connection power amplifier Susumu Soya
● Modern reconstruction of Mr. Isami Asano's work 6P25 push-pull power amplifier Masaru Nagashima Kenji Tezuka
● Cathode follower drive LCR type RIAA phono equalizer Yasuo Iwamura made easy to manufacture without using a drive transformer
● DC amplifier series No.289 Class B operation 2SD218 parallel push-pull output stage Li-Po battery drive bipolar transistor high power amplifier [Part 2] Akihiko Kaneda
● Audio amplifier design and production support using a personal computer [No. 48] Challenge to discrete configuration D/A converter Heisuke Ikeda
● All-bipolar transistor configuration Modification of all-stage non-feedback integrated amplifier (final round) Production of line amplifier and MC equalizer amplifier Masayuki Hashimoto
● Aiming for a high-efficiency, high-quality sound system Design and production of small speakers 182nd Takahisa Ozawa


● Hi-Fi Pursuing Listening Room's Dream No.643 Enjoying music by repairing domestically produced audio products Chiba City, Chiba Prefecture, Mr. Hideyuki Sakai's house

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