Denon's mid-range model. You can enjoy all genres with good modern response and unobtrusive sound quality. Since it is relatively thin, this model is recommended for those who are concerned about space. Phono is compatible with MM/MC. The exterior has small scratches, dullness, dirt, etc. (Oikawa Tetsuji)
Maintenance information: 2024.3.27 Operation confirmed
Accessories: remote control, power cable,
Main specifications: rated output 70W+70W (8Ω) dimensions W434 x H134 x D410 mm weight 15.5 kg
The price has been drastically reduced! 2024/3/25 sale price 798,000 yen beautiful item! This current premain amplifier is the ultimate in Technics' digital technology. Equipped with a DAC, it is also possible to directly connect digital devices. What is noteworthy is record playback that makes full use of digital technology, and it is equipped with the Intelligent PHONO EQ, which is an innovative phono equalizer that can reproduce the original sound quality of the cartridge by correcting the cartridge's crosstalk and peak with DSP. The innovative and powerful power supply unit realizes majestic, energetic playback sound with high resolution and excellent driving ability for speakers. The exterior is beautiful with no conspicuous scratches (Shota Sasaki)
Maintenance information: 2024.3.24 Operation confirmed
Accessories: remote control, manual, power cable
Main specifications: rated output 150 W+150 W recommended load impedance 4 ohm to 16 ohm frequency characteristics PHONO (MM) 20 Hz to 20 kHz line 5 Hz to 80 kHz digital 5 Hz to 80 kHz power supply AC 100V 50/60 Hz W430 × H191 × D459 mm weight 22.8 kg
Maintained! The A-2000 is equipped with Yamaha's unique RICHNESS circuit. Settings can be made by switching between speakers, such as the company's NS-2000 or 1000M. The low frequencies with a rich sense of scale and the transparent sound typical of Yamaha are attractive, and the extravagant structure typical of the bubble period is directly linked to the sound. There are many scratches on the exterior, corrosion on the switch, and overall there is dullness (Oikawa Tetsuji)
Maintenance information: 2024.3.20 Maintained (Speaker terminals are processed and attached to something that can be obtained. CD input pin jack replacement. Other pin-jack dents etc. were disassembled and reworked. Disassemble the switch and volume contacts, polish them and apply contact cleaner. (Corrected soldering on all boards including the main amplifier board, equalizer board, etc.)
Accessories: instruction manual
Main specifications: 130W+130W (8Ω) richness circuit frequency characteristics 5Hz to 100kHz W473 x H169 x D464 mm 26 kg
※It smells like air freshener, so it's cheap. Marantz pre-main amplifier with excellent cost performance. The sturdy, heavy construction is unique to the heyday of audio. Class A operation can be switched, and both design and sound quality are unique to that time (Yasuhito Koshihama)
Maintenance Information: 2020.4.4 Maintained (Confirmation Symptom: The power does not turn on. Action: Power supply board repair correction. Fixed due to soldering deterioration in the main amplifier circuit and other circuit boards. Remote wire switch disassembly contact polishing. Bad output relay contact replacement. (I/O pin jack polish)
Accessories: none
Main specifications: 20W+20W (when grade A) 100W+100W (when AB grade) W454 x H165 x D380 mm 17.5 kg
Marantz Primaine has an attractive thin and stylish design. It is a best-selling machine that has a delicate mid-high range and a well-balanced low range. Combinations with Scandinavian bookshelf speakers also go well together, so you can choose any music genre. The exterior is dull and has small scratches (Oikawa Tetsuji)
Maintenance information: 2024.3.2 operation confirmed
2023.12.3 Maintained by the manufacturer (Source Direct has gaps. No parts are available. Contact cleaning. Power switch movement correction (because it is not available). (Other operation checks)
Accessories: remote control, instruction manual, power cable
Main specifications: 60W+60W (8Ω), 4 line inputs, 1 phono input system (MM/MC switching), 2 tape systems, with pre-out terminals, W458 x H110 x D444 mm, 15 kg
Maintained! The successor to the PM-80. MOS-FET is used to create a unique world view with gloss in the mid-range. The plump, thick sound during Class A operation is unrivaled, and you can relax and immerse yourself in the music. On the exterior, there is a feeling of use such as seal marks, dullness, and small scratches on the top plate. Serial MZ009432260139 (Teramoto Yoshihiko)
Maintenance information: 2024.2.17 Maintained (all main amplifier board soldering deterioration fixed. Bad output relay contact replacement. Disassemble and sharpen the input switch and apply contact cleaner. (Long time sound check)
Accessories: none
Main specifications: MOS-FET use, AB class switchable, Class A (20W+20W), Class AB (100W+100W) PHONO input (MC/MM switching), W454 x H165 x D380 mm 17.5 kg
Maintained. The successor that inherited the sound of the D series. A model where you can feel the uniqueness of Sansui at the time due to the extrusion of low frequencies and the creation of sound. They are energetic, playable, and go great with jazz and rock, and are compatible not only with MM but also with MC, making analog fans happy. There is dirt on the top plate (Sasaki Shota)
Maintenance information: 2024.2.8 maintained (main amplifier circuit transistor, film capacitor, DC, bias semi-fixed volume replacement, output relay replacement, power supply circuit floating resistor replacement, balance volume exchange, input selector, reck-out, tone switch disassembly polishing grease application, each volume, switch cleaning, interior and exterior inspection cleaning, pin jack polishing, adjustment inspection)
Accessories: none
Main specifications: execution output 80W+80W (8Ω) damping factor 100 rated power consumption 200W phono MM/MC compatible W460 x H160 x D404 mm weight 13.2 kg
The price has been drastically reduced. 2024/1/5 sales price 89,800 yen Hi-Fi pre-main amplifier for the network & streaming era. Network playback of high-resolution sound sources (up to DSD 5.6 MHz, PCM192 kHz/24 bit) and streaming services such as Amazon Music, AWA, and Spotify can be performed without using an external player, etc. The exterior is good with no conspicuous scratches (Mizusaki Ryo)
Maintenance information: 2024.1.5 operation confirmed
Accessories: remote control, instruction manual, power cord, antenna, original box
Main specifications: rated output 60W+60W (8Ω) streaming (Amazon Music, AWA, Spotify, etc.), internet radio, high-resolution file playback compatible W440xH125xD379mm (when the antenna is laid down) W440 x H190 x D379 mm (when the antenna is erected) mass 10.8 kg
Maintained! A pre-main amplifier with Class A operation that allows you to enjoy sharp sound. The moderate amount of extrusion is comfortable, and this model is suitable for jazz and rock. The exterior has small scratches and dullness appropriate for the model year (Daiki Goto)
Maintenance information: 2024.1.22 maintained (balance volume (replacement) replacement, output relay replacement, input selector, reck-out, MM/MC switching, MONO, loudness, CD direct switch disassembly polishing grease application, solder repair, other volumes, switch cleaning, internal inspection and cleaning, operation confirmation.)
Accessories: copy of instruction manual
Main specifications: 100W+100W (8Ω) input 6 systems PHONO (MM/MC) quarter A amplification method using CD/PHONO direct switch W462 x H164 x D376 mm 14.3 kg
Maintained! The mid-range α series uses an α-X balance circuit that blocks the effects of noise and distortion from the ground. The smooth, stretchy sound quality is attractive. Designed with CD playback in mind, the sound separation is good, and it is a classic premain that will keep you entertained regardless of genre. The exterior has rust spots, paint bald, etc. (Mizusaki Ryo)
Maintenance information: 2023.2.1 maintained (main amplifier output relay replacement, transistor and capacitor replacement, MM/MC, reckout switch disassembly, polishing grease application, solder main part repair, various volumes, switch cleaning, interior and exterior inspection cleaning, offset adjustment, operation inspection)
Accessories: copy of instruction manual
Main specifications: 90W+90W (8Ω) W448 x H160 x D441 mm 16.0 kg