The price has been reduced. 2023/9/27 sales price 45,000 yen*The volume on the remote control cannot be controlled. Maintained! A small gap appears when switching between source direct SW, but this is the current situation. Maintained! A pre-main amplifier that allows you to enjoy tight low frequencies and extended high frequencies. It lets you listen to a performance that is faithful to the sauce and has no unnecessary flavorings, so it is compatible with any genre. The clean design fits well into the room. Serial 201711 (Murakoshi Yoichi)
Maintenance information: 2023.9.26 maintained (replacement VR, speaker relay, MUTING switch, power supply resistance 120Ω replacement, various board dirt cleaning and solder repair, function electric SW, direct SW disassembly contact cleaning, other DC bias DC balance adjustments.)
Accessories: remote control, instruction manual (copy)
Main specifications: 100W+100W (8Ω) line input, 3 tape systems, PHONO (MM/MC), W470 x H170 x D435 mm, 21.3 kg
The disposal price has been reduced! (Member discounts are not applicable) 2024/4/28 sales price 318,000 yen Denon's popular premain amplifier. It uses the latest generation UHC-MOS FET, which is also used in the predecessor flagship model SX1, and achieves both subtlety and strength at a high level, and drives the speaker firmly. The exterior has a feeling of use such as dullness. Serial 5111500216 (Tomonori Asaine)
Maintenance information: 2024.4.28 Operation confirmed
Accessories: instruction manual, remote control, power cable
Main specifications: rated output 120W+120W Phono (MM/ MC switching) input x 1 line LINE input x 5 systems EXT.PRE input W435 x H181 x D506 mm 27.4 kg
The price has been reduced! 2024/5/5 sales price 118,000 yen Denon's pre-main amplifier combines popularity and performance. The resolution is even higher than the previous model, and the sound quality is high and the SN is smooth, and it is a powerful machine that combines the thickness and sense of energy in the mid to low range. It works flawlessly with all genres of music. The exterior is dull. Serial 0021501557 (Yonejima Satoshi)
Maintenance information: 2024.5.5 operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: output 80W+80W (8Ω) PHONO input (MM/MC) size W434 x H181 x D435 mm weight 24 kg
Pre-main amplifier with USB-DAC. A jitter-free design that blocks input system jitter for all digital inputs, not just USB. All USB, optical digital, coaxial digital, and analog inputs are upsampled to 192 kHz/24 bit to perform excellent signal processing with high sound quality. You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.5.4 operation confirmed
Accessories: remote control, power cord
Main specifications: audio format USB: DSD 2.8 MHz/5.6 MHz (DOP method) to 192 kHz/24 bit (linear PCM), OPTICAL/COAXIAL: ~ 192 kHz/24 bit (linear PCM) output 13W+13W (8Ω) digital input USB (Type B), optical, coaxial, LINE (3.5mm stereo mini plug) USB connection environment [Mac] OS9.1/OS X10.1 or later [ Windows] XP/Vista/7/8 W149×D149×H33mm 890g
*Spikes are being ordered. This is a pre-main amplifier with a simple and clean design. The sound is straight and strong, and the sound images of the driving system are accurately reproduced. You can enjoy well-balanced sound even when the volume is low for everyday use. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.3 operation confirmed
Accessories: power cable, spike (on order)
Main specifications: 10W ✕ 2 (8Ω) W420 ✕ H98 ✕ D243mm 6.0 kg
A standard machine that also supports 192 kHz/24 bit digital input. With the theme of improving speaker driving power, the power transistors on the power amplifier driver stage have been made larger, and you can hear sounds with a higher driving power with a sense of stability. There are no particularly noticeable scratches on the exterior (Oikawa Tetsuji)
Maintenance information: 2024.5.3 operation confirmed
Accessories: remote control, power cable
Main specifications: 40W+40W (8Ω) PHONO (MM) optical digital input 2 systems coaxial digital input 1 system W440 × H105 × D370 mm 7.8 kg
Disposal price has been reduced (member price not applicable) 2024/4/28 sales price 19,800 yen ※Currently sold product DENON's long-selling 390 series 4th generation premain amplifier. Recommended for desktops and those with limited size. A classic model that is small yet thick in the mid-range, and has a steady sound. The exterior has a feeling of use over time, such as yellowing and dullness caused by tar. Serial 3111503497 (Tomonori Asaine)
Maintenance information: 2024.4.28 Operation confirmed
Accessories: instruction manual copy remote control
Main specifications: 50W+50W (8Ω) PHONO (MM) W434 × H121 × D338 mm 7.0 kg
Maintained, including replacing glass panels with new ones! A pre-main amplifier with a built-in McIntosh traditional output transformer. You can enjoy the rich and rich sound world typical of Macintosh. This is one that combines the appeal of the sounds of modern and old McKinn. The sense of power that makes you feel the strength is similar to that of a separate amplifier. The exterior is good without any major noticeable scratches (Oikawa Tetsuji)
Maintenance information: 2024.5.3 maintained (panel dismantling and replacement, meter, illumination lamp replacement, in-board C deterioration replacement, RCA cleaning, SW, VOL cleaning, operation check, backup power supply transformer pattern, relay pattern solder crack correction)
Accessories: remote control, copy of instruction manual
Main specifications: 150W+150W (8/4/2Ω) phono input MM dimensions W445 x H179 x D508 mm weight 30 kg
Maintained! DENON's vintage pre-main. It has a sense of transparency, three-dimensionality, and sound field that you wouldn't think of an amp from the 70s. Also, be sure to try out the deep and tasteful tuning that you can never enjoy with the company's current models. The cost performance is high! A feeling of use can be seen on the exterior, dullness, stains, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.24 maintenance completed (switch disassembly contact polishing, contact cleaner application) 2013.2.19 maintained (54 deteriorated transistors and capacitors replaced/use of nichikon MUSE, etc., RCA terminal replacement, speaker terminal replacement, input/output waveform confirmation, sound output test OK)
Accessories: copy of instruction manual
Main specifications: pre, main separable 32W+32W (8Ω) PHONO2 system (mm) W370 x H141 x D310 mm 8 kg
The price has been reduced! 2024/5/2 sales price 278,000 yen Maintained in 2022! This α907 limited model is limited to 2000 units. A premain amplifier that stands out for its high SNR and good sound unique to MOS-FET. The fine particle feel in the mid to high range is one of the best in the history of SANSUI premain amplifiers. Coupled with the thick, energetic mid-low range, it is a famous model that has not faded its appeal even now. The exterior has bumps, line scratches, and corrosion on the back. Serial 604090021 (Fujisawa Yukishi)
Maintenance information: 2022.3.20 maintained (main amplifier circuit output relay replacement, headphone relay replacement, power supply transistor replacement, protector section transistor replacement, solder repair, input selector, power amplifier direct, source direct, tape, reck out switch disassembly, polishing grease application, each volume, switch cleaning, internal inspection and cleaning, offset adjustment, operation confirmation)
Accessories: No accessories
Main specifications: 80W+80W (8Ω) MM/MC compatible MOS-FET use W466 × H166 × D453 mm 34 kg
The disposal price has been reduced! (Member discounts are not applicable) 2023/12/29 sales price 59,800 yen Marantz middle class premain amplifier. It excels in the extension and subtlety of the treble, and the thickness of the mid-range sound has been added to make the sound quality satisfying to listen to. It's versatile and easy to use regardless of music genre. There is a feeling of use such as dirt on the top plate. Serial 15001620002441 (Takasaki Atsushi)
Maintenance information: 2023.12.29 Operation confirmed
Accessories: remote control, manual, power cord
Main specifications: rated output 70W x 2 (8Ω), 100W x 2 (4Ω) frequency characteristics 5Hz to 100kHz W440 x H128 x D379 mm 12 kg
The price has been reduced! 2024/4/27 sales price 39,800 yen*Inexpensive due to cigarette smell, remote control shortage, etc. Maintained. AX-501-SP is a special packaged version model compatible with AX-501 banana plugs. A premain amplifier with a fully balanced configuration and a high-output Class-D amplifier, and equipped with an XLR balanced input. With fully balanced transmission and ABLETEC Class D amplifiers, you can enjoy clear and supple sound quality. The mechanical design with an eye-catching classical analog meter is also excellent. There are scratches and scratches on the exterior. Serial 0020331 (Yonejima Satoshi)
Maintenance information: 2024.4.27 Maintained (knob/button repair (rework)) has been performed. (In addition to the above, each part is cleaned, inspected, and adjusted)
Accessories: power cable
Main specifications: maximum output 88W+88W (4Ω, 1kHz, JEITA) 55W+55W (8Ω, 1kHz, JEITA) rated output 70W+70W (4Ω, 1kHz, JEITA) 45W+45W (8Ω, 1kHz, JEITA) W290 × H81.2 × D264 mm weight 4.0 kg
The price has been reduced! 2024/4/27 sales price 45,000 yen*It is cheap because it has a tobacco smell. Maintained. AX-501-SP is a special packaged version model compatible with AX-501 banana plugs. A premain amplifier with a fully balanced configuration and a high-output Class-D amplifier, and equipped with an XLR balanced input. With fully balanced transmission and ABLETEC Class D amplifiers, you can enjoy clear and supple sound quality. The mechanical design with an eye-catching classical analog meter is also excellent. The exterior has dullness, scratches, etc. Serial 0020331 (Yonejima Satoshi)
Maintenance information: 2024.4.27 Maintained (knob/button repair (rework)). (In addition to the above, each part is cleaned, inspected, and adjusted)
Accessories: remote control, power cable
Main specifications: maximum output 88W+88W (4Ω, 1kHz, JEITA) 55W+55W (8Ω, 1kHz, JEITA) rated output 70W+70W (4Ω, 1kHz, JEITA) 45W+45W (8Ω, 1kHz, JEITA) W290 × H81.2 × D264 mm weight 4.0 kg