[Special Feature] Report on the two major audio events of the summer
●Responding to expectations, the 5th MJ Audio Festival will be held again after 4 years. Breaking news!
● Over 50 companies will exhibit at OTOTEN2023, with live streaming also available
<Production of original sound system>
●Uses an auto-balanced phase inversion circuit with a small number of parts A 1626 push-pull power amplifier with a maximum output of 2.2W using a small triode transmitting tube Yasuo Iwamura●Thoroughly eliminates residual noise A quadrature Q22 type phono equalizer amplifier Susumu Seiya●Uses a parallel synthesis push-pull circuit, with an output of 18W with a triode connection and 36W with a quintuple connection EL34/6CA7pp circotron monaural power amplifier [Part 2] Hirosuke Ueno●Bringing out the full appeal of the domestic DD motor and tone arm Making a metal board analog player Makoto Uchida●The bearing section and arm lifter section are also made from scratch Making a homemade air-bearing linear tracking tone arm Takatsugu Nakayama●Implementing an air-bearing linear tracking tone arm Producing a laminated plywood board player for the Technics SP-15 Takeshi Yamazaki●Support for the design and production of audio amplifiers using a computer [No. 51] The challenge of creating a simple, good-sounding power amplifier Examination of the power supply section of a MOS-FET output stage non-feedback bridge amplifier Heisuke Ikeda ● Aiming for a high-efficiency, high-quality sound system Design and production of small speakers No. 185 Takahisa Ozawa
Audio Technology
●The technology and sound quality of Marantz's newly designed integrated amplifiers, MODEL 30 and MODEL 40n, by Takashi Iwai ●MJ Technical Report: Exploring the structure and high sound quality technology of Yuki Seimitsu's latest thread drive player, AP-01, by Isao Shibasaki ●Reviving junk items into practical items, audio equipment repair diary, Vol. 14, Maintenance of the Victor FX-711 FM/AM tuner, by Hideyuki Sakai
<MJ Best Audio Components>
[Zoom up]
●Yuki Precision AP-01 Precision-machined thread-driven analog player ●Luxman NT-07 Network player ●Music Note CD-MU15 Vacuum tube analog output CD player ●Klipsch HERESY IV 3-way floor-standing speaker system
[MJ Report]
●Audio-Technica AT-SB727 Portable Analog Player●New Product News
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MJ Radio and Experiments September 2023 Issue | Seibundo Shinkosha Co., Ltd. (seibundo-shinkosha.net)