Maintenance has been completed, from replacing deteriorated parts to disassembling switches, etc., and polishing contacts! Recommended for those who enjoy all genres of music. It seems to be an amplifier manufactured during the heyday of audio, and it supports music with plenty of room in the mid to low range. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.17 maintenance completed (A output board resistance 100 Ω x 210 Ω x 2 replacement, speaker protection relay left and right replacement, other ATTENUATOR disassembly, polishing cleaning, speaker switching SW,
Cartrich LOAD switching SW, RECOUT selector SW, INPUT tape selector, INPUT selector,
(MUTING push SW, source direct push SW, grease application for each decomposition, polishing, cleaning grease, other input/output RCA terminal cleaning, DC bias adjustment, input/output sound confirmation)
Accessories: none
Main specifications: output 120W+120W MC compatible impedance 4Ω to 16Ω dimensions W470 x H166 x D436 mm weight 26 kg
Comes with original box RCA/mono standard plug adapter uses gold-plated contacts that have low contact resistance and are resistant to aging. It's a beautiful item (Mikito Eternity)
Accessories: original box
Comes with original box RCA/mono standard plug adapter uses gold-plated contacts that have low contact resistance and are resistant to aging. It's a beautiful item (Mikito Eternity)
Accessories: original box
The disposal price has been reduced. Member prices are not applicable. 2025/4/24 sales price 79,800 yen Maintenance was completed in 2024/2. Genuine Rin Japan LINN network player with built-in amplifier. It is equipped with an Ethernet terminal that completes the system simply by connecting a speaker, and supports WAV, FLAC, AIFF, Apple Lossless, AAC, and MP3 playback via LAN. In addition, it is equipped with 1 optical digital and 1 coaxial digital audio input and 1 RCA analog audio input. It can also be connected to devices other than the built-in player and used as a digital premain amplifier. Genuine Rin Japan *The volume will be adjusted on the computer. There are small wounds and dullness (Oikawa Tetsuji)
Maintenance information: 2025.4.24 operation confirmed
2024.2.7 Maintained (FET replaced due to FET short at the end of audio output. On an Ethernet connection, check the operation in a NAS environment and check the operation of the internet radio. There is poor contact with the power switch, but since parts are not available, the switch can be easily disassembled and repaired)
Accessories: power cable, instruction manual, connection cable, CD-ROM
Main specifications: Compatible audio files: FLAC, ALAC, WAV, AIFF, AAC, MP3 compatible sampling frequency: 7.35k to 192k Compatible bits: 16 bit, 24 bit Input terminals: Ehernet Analog audio: RCA x 1 (impedance; 10 kΩ) Digital audio: RCA (SPDIF) x 1, TOSLINK (Optical) x 1 SP output: L/R x 1 (compatible with banana, bare wire, Y lug terminals) LINE Output: RCA x 1 SN Ratio: 105 dB Frequency Characteristics: 0 Hz - 30 kHz Output: 70W (4Ω) W191 x H80 x D274 mm Weight 2.65 kg
FORTISSIMO AUDIO LINE SELECTOR It is designed to suppress sound quality deterioration to the extreme by adopting a gold-plated contact rotary switch for audio made by Seiden, which has a reputation for professional and broadcast equipment. In addition to the exterior and sticking marks, you can also see a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.29 Continuity confirmed
Accessories: none
Main specifications: 5 amplifier x speaker (can be used at 3:2 or 2:3) W200 x H55 x D175 mm 1.4 kg (actual measurement)
FORTISSIMO AUDIO's professional line selector is designed to suppress deterioration in sound quality to the extreme by adopting a large gold-plated contact rotary switch made by Seiden, which has a reputation for broadcasting equipment. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.11.30 Continuity confirmed
Accessories: none
Main specifications: 3 amplifiers x speakers (1:3 or 3:1) W140 x H42 x D140 mm approx. 1 kg (actual measurement)
The price has been drastically reduced! 2025/11/25 sales price 398,000 yen Maintained! The flagship model of the Macintosh power amplifier, the black version. The heavyweight frame, fresh blue meter, and large speakers drive lightly, and the rich, rich tone are just perfect. The clarity of low frequency contours is the highest among all Mackins of all time. The exterior has age, dullness, and small scratches. Serial JCS5523 (Fujisawa Yukishi)
Maintenance information: 2025.11.25 Maintained (input ATT, 10 electrolytic capacitors, lamps, ICs, and sockets replaced. Mode switch disassembly polishing cleaning. Card edge contact cleaning. Connector cleaning. Solder correction. Bias and offset checks. Output audio check)
Accessories: copy of instruction manual, power cord
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
※There are deep scratches on the sheath, and there is a lot of dullness on the plug, so it is cheap. RCA cable 1.3 m pair reverse twist structure+polyurethane coated Ritz wire. This is a new series with enhanced expressive power in details while keeping the neutral tone intact (Kojima Yosuke)
Accessories: none
Maintained! This is Sony's entry-class premain amplifier. It uses the same traditional G chassis as the advanced grade 555, and is one with high cost performance. Although the overall sound quality is tight, there are few quirks, and it is recommended for those starting out with audio. There is dullness and dirt over time (Sasaki Shota)
Maintenance information: 2025.10.13 maintained (PHONO input RCA terminal rattles on the negative side and cannot be disassembled and repaired, etc., replacement RCA jack left and right, REC switch disassembly contact polishing grease application, DC bias DC balance check)
2021.6.15 Maintained (volume VR replaced with a custom-made product with sound, speaker relay poor contact replacement, output circuit resistance deterioration 220Ω replacement, other Cartrich mode SW, direct INPUT, source direct SW, MUTING SW disassembly contact cleaning, other DC bias DC balance check adjustment, input/output connection sound confirmation)
Accessories: manual, power cable
Main specifications: 90W+90W (8Ω) PHONO (MM/MC) W430 × H150 × D375 mm 14.0 kg