Yamaha's unique and beautiful design is eye-catching primain amplifier. It is an amplifier that takes over the characteristics of a delicate and elegant old-fashioned YAMAHA sound. It features balanced ease of use on all sides with PHONO input. The appearance has spike marks on the top plate. Serial Y034708ZP (Miura Kimiya)
Maintenance information: 2021.8.25 working confirmed
Accessories: Remote control, manual copy, power cable, spike receiver
Main specifications: All-stage balanced amplification output 90W+90W (8Ω) Phono (MM/MC) dimensions W435 × H137 × D465mm Weight 22.7kg
※Inexpensive because the veneer is peeling off. Maintained! Yamaha's last premium premain amplifier, which is also the final model in the A-2000 series. The mid-low range, which is comparable to separate amplifiers despite its simple structure, is proof of the volume input unique to this era. There are scratches and peeling veneer repair marks on the side panels. There is a slight slack in attaching the side panels (Kanai Hidetsugu)
Maintenance information: 2023.9.28 Maintenance completed (IC defect replacement in the power supply circuit. Bad coil replacement in the tone control circuit. Output relay contact faulty replacement. Replacement because the replacement TONE switch is broken due to a bad headphone relay contact. All soldering deterioration of the left and right main amplifiers, power supply circuits, and input circuits has been corrected. Check the sound output for a long time. There was peeling of the sidewood, but I fixed it and bonded it so that it didn't peel off too much)
Accessories: remote control, instruction manual
Main specifications: 130W+130W (8Ω) with balance terminal, W473 x H175 x D475 mm, weight 28 kg
The price has been reduced. 2024/2/3 sales price 99,800 yen A pre-main amplifier with an impressive Yamaha traditional retro design. It is an amplifier that inherits the characteristics of the delicate and elegant old-fashioned YAMAHA sound. It has a PHONO input and features a balanced ease of use in all aspects. Serial Y098913WY (Takasaki Atsushi)
Maintenance information: 2024.2.3 operation confirmed
Accessories: remote control, manual, power cord, spike cover
Main specifications: full stage balance amplification output 90W+90W (8Ω) Phono (MM/MC) W435 x H137 x D465 mm 22.7 kg
Pre-main amplifier equipped with optical/coaxial digital audio input compatible with up to 192 kHz/24 bit. It is an amplifier that sounds with high driving power and a delicate tone. You can enjoy clean sound from digital sound sources to analog discs. The exterior has small scratches and minor scratches on the front and sides. Y136025VX (Yonejima Satoshi)
Maintenance information: 2023.1.10 operation confirmed
Accessories: remote control
Main specifications: 85W+85W (8Ω) damping factor 240 or more W435 x H151 x D387 mm 10.3 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
The price has been reduced. 2023/7/6 sales price 55,000 yen A pre-main amplifier for the high-resolution era that is compatible with DSD 5.6 MHz native playback and PCM384 kHz. It is equipped with cutting-edge equipment, such as a USB DAC function, and has a convenient design that can be easily operated with only knobs and buttons. It boasts a clear and wide range feeling suited to the times. There are noticeable scratches on the exterior and VOL knobs (Kobayashi Hitoshi)
Maintenance Information: 2023.6.9 Operation confirmed
Accessories: instruction manual copy, power cable, remote control
Main specifications: 100W+100W (8Ω) 9 input systems (CD x 1 tuner x 1 line x 3 phono MM x 1 optical digital x 1 coaxial digital x 1 USB type B x 1) output 5 systems (rec out x 2, subwoofer x 1, headphone x 1, USB-DC out x 1) W435 x H152 x D387 mm 12.1 kg
I cut the price! 2021/4/30 Price 99,800 yen Yamaha's unique beautiful design is eye-catching Primain amplifier. It is an amplifier that takes over the characteristics of a delicate and classy old-fashioned YAMAHA sound. Features balanced ease of use in all aspects with PHONO input Appearance, there is dullness. Serial Y097613VX (Satoshi Yonejima)
Maintenance Information: 2021.4.30 Operation confirmed
Accessories: Remote control, instruction manual, power cord, source box
Main Specifications: All stage balance amplification output 90W+90W (8Ω) Phono (MM/MC) Dimensions W435 × H137 × D465mm Weight 22.7kg
Maintained! This pre-main amplifier is characterized by the clean sound quality typical of Yamaha and the fineness of the mid to high range. The PHONO input is MM/MC compatible, and is also recommended for analog users. There is a feeling of use such as dirt and scratches. Serial 128265 (Takasaki Atsushi)
Maintenance information: 2023.12.7 maintained (switch, volume type disassembly, contact polishing. All main board solders have been fixed. Panel disassembly knob cleaning, input/output pin jack polishing.)
Accessories: copy of the instruction manual
Main specifications: 100W+100W (8Ω) MM/MC compatible W435 x H112 x D365 5mm 9.1 kg
Maintained! The A-2000 is equipped with Yamaha's own RICHNESS circuit. Settings can be made by switching between speakers, such as the company's NS-2000 and 1000M. The low frequencies with a rich sense of scale and the transparent tone typical of Yamaha are attractive, and the luxurious structure typical of the bubble period is directly linked to the sound. As for the exterior, there are abrasions on the top surface and sidewood (Murakoshi Yoichi)
Maintenance information: 2023.6.14 maintenance (replacement of defective parts in the left and right main amplifier circuits, circuit board soldering all fixes. PHONO SELECTOR SWITCH RECOUT SWITCH DISASSEMBLY CONTACT POLISHING CONTACT CLEANER APPLICATION Switch and volume classification contact correction. I/O pin jack polish.)
Accessories: none
Main specifications: 130W+130W (8Ω) richness circuit frequency characteristics 5Hz to 100kHz W473 x H169 x D464mm 26 kg
Maintained! Settings can be made by switching between speakers, such as the company's NS-2000 or 1000M. It is a famous machine with a rich sense of scale and a powerful structure directly linked to the sound, with an attractive, transparent sound typical of Yamaha, and typical of the bubble period. The exterior is dull and has small scratches. Serial 06132 (Yonejima Satoshi)
Maintenance information: 2024.2.28 Maintained (switch cover installed; those that are missing are created and installed. Solder and fix everything else on the left and right main amplifier circuit boards. replacement of faulty resistors. Equalizer board solder correction, amplifier IC replacement. Output relay replacement. Switch type disassembly contact polishing)
Accessories: copy of instruction manual
Main specifications: 130W+130W (8Ω) richness circuit frequency characteristics 5Hz to 100kHz W473 x H169 x D464 mm 26 kg
Refresh by replacing 54 capacitors, 80 transistors, and other deteriorated parts! The clear and refreshing sound has been revived. This is the 3rd generation model in the CA-1000 series. Even though the CA-2000's specs have been reduced, its sound characters are the same. It is also convenient to be able to switch instantly between Class A operation and Class B operation with switching. As for the exterior, there are chips on the back of both side panels, and a feeling of use such as dullness and small scratches can be seen (Kobayashi Hitoshi)
Maintenance information: 2023.3.25 Maintained (chemicon, transistor, heat dissipation sheet, SP terminal, RCA terminal, semi-fixed resistor, relay, resistor, diode, fuse, op amp, meter lamp replacement. VR contact cleaning, SW type ultrasonic cleaning. Substrates are re-soldered and flux removed. (Semi-fixed VR adjustment, in-flight cleaning, waveform check, input/output check, various function check F special check, input/output waveform confirmation, load test)
Accessories: instruction manual (copy)
Main specifications: Class B operation 100W+100W (8Ω) Class A operation 20W+20W (8Ω) phono MM/MC compatible W461 x H170 x D360 mm 19 kg
The clear and refreshing sound has been restored. The third generation model in the CA-1000 series. Even though the specifications of the CA-2000 have been reduced, its sound character is the same. It is also convenient that switching between Class A operation and Class B operation can be performed instantaneously by switching. The exterior has a feeling of use over time, such as dullness and small scratches scattered. Serial 05398 (Hiroki Aso)
Maintenance Information: 2022.7.22 Operation Confirmed 2021.9.30 Maintained (2021.9.27 All SW, VR Disassembly Cleaning, Micro SW, Spark Killer, Diode, The fuse resistor was replaced, the semi-fixed resistor, and the meter LED were replaced. The idle current was adjusted. Normal operation was confirmed by checking the input/output waveforms, checking the left-right balance, load testing, and comprehensive operation tests. Load test 1kHz sine wave, 8Ω load: Class A 20W+20W Class B 100W+100W)
Accessories: copy of instruction manual
Main specifications: Class B operation 100W+100W (8Ω) Class A operation 20W+20W (8Ω) phono MM/MC compatible W461 × H170 × D360 mm 19kg
The deteriorated capacitors and transistors have been replaced and overhauled! The delicate and beautiful sound, which can be said to be the origin of Yamaha tones, has been restored with a refreshing effect. The smooth, high-texture sound quality of stringed instruments and vocals is perfect enough to easily surpass modern premain amplifiers in the same price range. There is a feeling of use, such as dullness over time, scattering of small scratches, etc. serial 04616 (Takasaki Atsushi)
Maintenance information: 2019.9.18 Maintained (chemicon, transistor, heat dissipation sheet, SP terminal, RCA terminal, semi-fixed resistor, relay, resistor, diode, fuse, meter lamp replacement. VR contact cleaning, SW ultrasonic cleaning. Substrate resoldering and flux removal. (Semi-fixed VR adjustment, in-flight cleaning, waveform check, input/output check, various function checks, F special check, sound output check OK)
Accessories: instruction manual
Main specifications: output 30W+30W (A grade) 120W+120W (B grade) W461 x H170 x D360mm 20kg
Disposal price cut (Member discount will not apply) 2021/2/8 Selling price 35,000 yen ※ Front panel hinge breakage, overall bad condition, so it is cheap. Maintened! Primain amplifiers developed by incorporating Yamaha's proprietary technology in order to achieve stable drive capability at all times. The timbre obediently reaches the ear and produces a clear sound. There is also a driving force and it conveys a firm power. Compatibility with female vocals and pops is recommended. Appearance has rubber marks on the top plate, sidewood peeling, cracks, etc. (Tomoho Asaine)
Maintenance Information: 2021.2.7 Operation Confirmed 2020.3.26 Maintenance (Action: The power switch is a remote control device, so it is not a lock type, just press lightly. Speaker A/B switch and PURE DIRECT are long push switches so they can be pressed. The PHONO MM/MC switch is quite heavy because it pushes the switch located on the rear panel, as it pushes the long shaft. TURNOVERSUBSONIC and MODE switches are micro switches so they have a different feeling again. I painted grease and treated it. Switch and volume burrs are fully treated with contact revival agents every day for a week. Action: Replace defective components in the main amplifier circuit. Output relay contacts failed replacement. Input Selector and RECOUT Selector Disassembly Contact Polishing Input/output pin jack polish (Excuse me but the sidewood peeling has been shrinking vinyl and cannot be repaired.)
Accessories: None
Main Specifications: Power consumption 260W rated 185W +185W (6Ω) W473 × H171 × D448mm 20kg
I cut the price! 2021/5/11 Price 99,800 yen Yamaha's unique beautiful design is eye-catching Primain amplifier. It is an amplifier that takes over the characteristics of a delicate and classy old-fashioned YAMAHA sound. Features balanced ease of use in all aspects with PHONO input Appearance has a feeling of use such as small scratches, dullness, footprints on the top plate. Serial Y063800Y0 (Yuki Yamato)
Maintenance Information: 2021.5.11 Operation confirmed
Accessories: Remote control instruction manual Copy power cable
Main Specifications: All stage balance amplification output 90W+90W (8Ω) Phono (MM/MC) Dimensions W435 × H137 × D465mm Weight 22.7kg
I cut the price! 2021/5/16Price 34,800 yen In addition to playing music stocked on a PC or NAS (network HDD) via a home network (LAN or Wi-Fi), Easily play music on your smartphone or tablet wirelessly using Bluetooth or AirPlay. Appearance is small scratches, dullness etc. There is a feeling of use. Serial Y75929100 (Asaine Tomoho)
Maintenance Information: 2021.5.16 Operation confirmed
Accessories: Remote control instruction manual Power cord
Main Specifications: Input terminal Analog Audio 1 System (AUX IN) Digital Audio Optical 1 USB Port 1 Network Wired: 1 System (100Base-TX/10Base-T), Wireless : 1 system (IEEE802.11B/G/N) output terminal analog voice 2ch 2 terminals (front L/R) 1 system (AUX OUT) *DSD signal is not output subwoofer output 1 system DLNA (Supported Sampling Frequency) 192kHz (WAV/FLAC/AIFF) 96KHz (ALAC) 48kHz (MP3/WMA/MPEG-4 AAC) 5.6MHz/1Bit (DSD) ) Size 214×51 × 251mm Weight 1.9 kg