A new-generation integrated upgrade that brings out the appeal of unique speakers as much as possible by raising the damping factor to 600 and bringing out the appeal of unique speakers as much as possible. The power amplification stage with 3 parallel push-pull power MOSFETs allows you to hear more powerful sound than before. There are no noticeable scratches on the exterior. Serial B0X159 (Fujisawa Yukishi)
Maintenance information: 2024.4.20 Operation confirmed
Accessories: remote control, instruction manual, power cord, original box
Main specifications: rated output 180W+180W (8Ω) input RCA5 systems, XLR2 system, tape input/output 1 system, pre-out RCA1 system, XLR1 system main in RCA1 system, XLR1 system damping factor 600 size W465 ✕ H181 ✕ D428mm weight 24.6 kg
The price has been drastically reduced. 2024/4/11 sale price 59,800 yen Aura line exclusive premain amplifier. A slim premain amplifier with a premium chrome finish. You can imagine it from a clean face. It has a silky tone and goes well with European speakers. There is a slight feeling of use, such as a missing screw in the center of the back, scratches on the top plate, etc., and some lettering disappeared (Murakoshi Yoichi)
Maintenance information: 2024.4.10 sound output confirmed
Accessories: power cord, copy of instruction manual
Main specifications: 6 input systems with TAPE OUT 45W+45W (8Ω) Dimensions W430 x H62 x D310 mm Weight 5.0 kg
The price has been reduced. The 2024/4/24 sales price 298,000 yen optional phono card is not installed. In North America, CLASSE is a popular brand along with McIntosh and KRELL. Since it has straight expressiveness and driving ability, it reproduces a rich sense of sound field. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.19 Operation confirmed
Accessories: remote control, power cable
Main specifications: maximum output 100W x 2 (8Ω), 200W x 2 (4Ω) input unbalanced 4 systems, balance 1 system power consumption 260W (rated) W445 x H121 x D419mm 23.0 kg
Maintained by the manufacturer! The third generation of the Denon 2000 series. Frequency characteristics have been improved and low noise has been achieved by reviewing power parts, volume circuits, etc., while keeping the low frequency range with a sense of volume unique to the company and the high frequency range with elongation unchanged. Of course, it is a big hit model that is compatible with modern sauces, and doesn't make you feel that it's poor to listen to old sources. There is dullness and a feeling of use. Serial 1050502942 (Fujisawa Yukishi)
Maintenance information: 2024.4.23 manufacturer maintained (main volume and selector switch disassembly contact cleaning. (Idle current adjustment and operation inspection carried out.)
Accessories: power cord
Main specifications: output 80W+80W (8Ω) PHONO (MM/MC) bi-wiring compatible dimensions W434 x H180 x D478 mm weight 22 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! You can see a feeling of use such as appearance, 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
Maintained! The PRA-2000ZR is a control amplifier specializing in records, which has a reputation for phono circuits. The sharp sound quality of the MC is attractive. It is an MC2 system/MM1 system, and PHONO1 incorporates a pure focus MC transformer and PHONO2 incorporates a FET configuration head amplifier. The exterior has dullness and small scratches. Serial 6101100050 (Hiroki Aso)
Maintenance information: 2024.4.22 maintained (equalizer board repair, transistor replacement, 24V regulator replacement, solder repair, each volume switch cleaning, internal inspection, cleaning, each input/output confirmation, operation inspection tone, there is a popping sound when SW is on and off, but there is no sound interruption, etc.)
Accessories: copy of instruction manual
Main specifications: PHONO3 system (PHONO1/MC PHONO2/MC PHONO3/mm) real-time tone control equalizer amplifier part dimensions W462 x H145 x D385 mm weight 10.6 kg
Maintained by Denon! This is DENON's mid-range model, and is a staple machine with an excellent sense of stability, with firm bass and delicate high frequencies. In addition to the bass energy from conventional models, you can enjoy well-balanced sound that takes into account the high mid to high frequencies with a high sense of transparency. There are small scratches on the exterior. Serial 8061507480 (Tamura Eiji)
Maintenance information: 2024.4.17 manufacturer maintained (Rch amplifier circuit, transistor and resistor replacement. Amplifier board soldering correction (both channels). (Idle current adjustment and operation inspection carried out.)
Accessories: instruction manual, power cable, original box
Main specifications: rated output 80W+80W (8Ω) PHONO1 system (MM/MC switching) dimensions W434 x H181 x D480 mm weight 24.0 kg
The price has been reduced. 2024/3/27 Denon mid-range model with a sales price of 45,000 yen. 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 reduced! 2024/4/20 sales price 39,800 yen maintenance completed item! It looks like a Class A amplifier, and an unmistakable sound pops out from the moment it starts up. Furthermore, it is an attractive car with a glossy high range and a mellow mid range, making the whole sound brighter. The exterior has small scratches and dullness over time. ※The side panel is missing. Serial 308241173 (Yamato Yuki)
Maintenance information: 2023.11.13 maintained (main board solder repair PHONO earth terminal replacement speaker relay deterioration replacement RECOUT selector SW disassembly contact grease coating speaker switching SW disassembly contact cleaning idling adjustment sound output confirmation for each input/output connection)
(Explanation of specifications) There is rattling in the volume knob, but it is not a malfunction due to structural rattling
Accessories: copy of instruction manual
Main specifications: output level 90W+90W, medium output, pure A class, high output, non-switching, class A operation, phono MM/MC switching, dimensions W470 x H167 x D400 mm, weight 12 kg
Maintained! Pre-main amplifier with built-in DA converter. An amplifier that allows you to enjoy a gentle, expansive sound like Denon with analog input, and sound quality with a wide range with digital input. This amplifier can also be recommended as an amplifier to be combined with PC audio (Daiki Goto)
Maintenance information: 2024.2.21 maintained (function, recout, digital input, speaker, tape, loudness switch disassembly, polishing grease application, output relay replacement, bus volume replacement, solder repair, various volumes, switch cleaning, interior and exterior inspection and cleaning, digital input/output confirmation, operation confirmation. (*Since the bus volume is similar, the bus lifts slightly when the source is directly off)
Accessories: none
Main specifications: 110W+110W (8Ω) phono (MM/MC switching) 5 digital input systems (coaxial x 3/optical x 2) W434 x H180 x D420 mm 18 kg released in 1989 (Kojima Yosuke)
* Source Direct SW cover is missing and cannot be used, so it is cheap (it is off). Maintained by the manufacturer! 4th generation of the DENON 2000 series. It is an amplifier that can be enjoyed regardless of the genre of music, with its plump, loud mid and low frequencies, and a pleasant, sharp tone. Scratches, dullness, stains, and a feeling of use can be seen on the exterior and front edge (Kobayashi Hitoshi)
Maintenance information: 2024.4.20 maintenance completed (select switch disassembly contact polishing grease applied, direct idling adjustment to the side where SD switch tone can be controlled (using repair auxiliary parts) operation tested)
Accessories: copy of instruction manual
Main specifications: High-rigidity 6-block, separated chassis, power amplifier, direct input, bi-wiring compatible, 80W+80W, W434 x H180 x D478 mm, 23.5 kg
Maintained by the manufacturer! 4th generation of the DENON 2000 series. It is an amplifier that can be enjoyed regardless of the genre of music, with its plump, loud mid and low frequencies, and a pleasant, sharp tone. The exterior has dents in the upper right corner of the front, light line scratches in the lower left corner, and dullness throughout (Kanai Hidetsugu)
Maintenance information: 2024.4/18 manufacturer maintenance (disassembling the switch, polishing the contact, grease coating, idling adjustment, operation test)
Accessories: instruction manual, power cord
Main specifications: High-rigidity 6-block, separated chassis, power amplifier, direct input, bi-wiring compatible, 80W+80W, W434 x H180 x D478 mm, 23.5 kg
※Operation has been confirmed, but since it is cheap, it will be handed over as is. This is a KENWOOD KA series amplifier. It has a compact and clean design, and can be placed horizontally or vertically. The sound quality is as clean as it looks, and it is recommended for those who want to enjoy music in a small space. Serial 61100061 (Sato Wataru)
Maintenance information: 2024.3.26 Operation confirmed
Accessories: No accessories
Main specifications: 3 input lines 12W+12W (8Ω) dimensions W171 x H67 x D207 mm weight 2 kg
*Since the digital input circuit module cannot be repaired, the digital input cannot be used. Maintained! Kenwood pre-main amplifier. It plays clear, transparent mid-high frequencies and low frequencies with a firm sense of power typical of Kenwood in a well-balanced manner. There is an air cap mark on the top of the front panel. (KOBAYASHI Hitoshi)
Maintenance information: 2024.4.24 Maintained (input board connector correction, switch correction, contact correction, operation confirmation) 2023.5.21 Maintained (display lamp replacement. Switch and volume contact correction. (*The digital circuit module is broken, but the digital input cannot be used because it is not available)
Accessories: none
Main specifications: 150W+150W (8Ω) phonomC/mm mounted damping factor 1000 W 476 x H170 x D424 mm 19.7 kg