[Special Feature] Listening to 11 new headphones
● Stax SR-X9000
●Focal UTOPIA SG
●Cross Zone CZ-10
●Audio-Technica ATH-ADX5000
●HEDD HEDDphone
●Neumann NDH 30
Sennheiser HD 600
● Shure SRH840A
●MEZE AUDIO LIRIC
●Tago Studio Takasaki T3-03
●Tago Studio Takasaki T3-01
"Original Sound System Production"
●Direct-coupled circuits used throughout, a design that prioritizes sound quality over characteristics 6A6 Class B push-pull non-feedback 9W power amplifier Susumu Seiya ●Simple configuration with actual wiring diagrams that make it easy to build, 1.8W output 30P12 single power amplifier Masaru Nagashima ●DC amplifier series No. 288 Vacuum tube DC preamplifier for optical cartridge DS 003 Vacuum tube differential amplifier, precision equalizer [Part 1] Akihiko Kaneda ●PC-based audio amplifier design and production support [No. 45] Building a graphic equalizer with minimal sound quality degradation Basic circuit of a graphic equalizer using simulated inductors Heisuke Ikeda ●Design and production of small speakers aiming for a high-efficiency, high-sound quality system No. 179 Takahisa Ozawa ●Building high-performance, high-sound quality speakers using the latest measurements and designs [No. 26] High-performance 2-way system using wave guides and aluminum diaphragms (final) Exterior finishing and final adjustments Kohei Suzuki
●Dream of a Hi-Fi listening room No.640 Enjoying LPs and YouTube with 1970s audio equipment Takeshi Iwai's house in Hokuto City, Yamanashi Prefecture
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MJ Radio and Experiments March 2023 Issue | Seibundo Shinkosha Co., Ltd. (seibundo-shinkosha.net)