■Feature：Evolving 300B Power Amplifiers
・300B Loftin-White Power Amp: Simple circuit, stable, high-quality sound - Susumu Soya
・TA-300B SRPP Drive Single Amp: Reducing distortion with a single-core transformer - Hiroshi Ueno
・WE300B Push-Pull 15W Monoblock: Transformer-driven 300B with semiconductor stages - Kenji Tezuka
・The History of 300A/300B and Talkie Films - Masashi Yanagisawa
・Exploring the Design Philosophy of 1970s Legendary Amp Builders - Hiroshi Ueno, et al.
■Original Sound System Build
・UX-250 Single Transformer Drive Power Amp - Yasuo Iwamura
・4P1L Push-Pull Power Amp: Soviet-era tubes in Class AB2 operation - Masaru Nagashima
・DC Amp Series No.297: Hybrid high-power amp with 396A and SiC MOS-FET - Akihiko Kaneda
■Audio Technology
・High-Resolution Music Streaming in Japan: Qobuz - Ikuo Kakuda
・[New Column] NY-Tokyo Audio Correspondence No.1: The Circular Flow of Time in Japanese Audio Culture - Devon Turnbull
・Evolution of Accuphase "DG Series" Voicing Equalizer - Isao Shibasaki
■MJ Best Audio Components
・Luxman P-100 CENTENNIAL: Fully balanced headphone amp
・Triode TRZ-P300W: 300B parallel single power amp
・Shanling SCD1.3: SACD player with digital preamp function
■Music / Listening Spaces / Pro Audio
・Hi-Fi Listening Room Dreams No.651: Vacuum tube amps and large speakers in Osaka - Katsushi Minamino
■Audio & Software Guide
・MJ Audio Festival 2025 (June)
・[New Series] Rediscovering Audio: Record Care for Longevity - Yutaka Masaki
・Classic & Jazz New Releases Review - Various Contributors
■Readers' Page
・Toyama Craft Audio Club Listening Event No.45
・DIY Loudspeaker Builders’ Meeting 2024
・Myoko Audio Club Presentation No.37
…and more!
Cover: Triode TRZ-P300W
300B Parallel Single Power Amplifier
▼Click here for details about the book▼
MJ Radio and Experiments April 2025 Spring Issue | Seibundo Shinkosha Co., Ltd. (seibundo-shinkosha.net)