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
※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
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
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
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
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
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
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
It's been maintained! The delicate and beautiful sound, which can be said to be the origin of Yamaha tones, has been revived with a refreshing effect. The smooth, textured sound quality of stringed instruments and vocals is so complete that it easily exceeds modern premain amplifiers in the same price range. There are slight bruises on the top plate. Serial 13854 (Mizushima Itsuro)
Maintenance information:2022.4.30 Maintenance completed (electrolytic capacitor, transistor, SP terminal, RCA terminal replacement, substrate cleaning and re-soldering, transistor heat dissipation sheet replacement, electrolytic capacitor Transistor, semi-fixed resistor, cement resistance, fuse resistance, fuse relay exchange, input waveform confirmation, load test (1kHz sine wave, 8Ω load: A class 30W+30W, B class 120W+120W, OK), sound test)
Accessories: copy of instruction manual
Main specifications: 120W+120W/8Ω · B grade 30W+30W/8Ω · A class W461 × H170 × D360mm 20kg
Maintained! Yamaha's heavyweight premain amplifier. Low frequencies with good damping, supported by a high-quality power transformer, and clear sound typical of YAMAHA. The phono input also covers MC, making it a great specification for analog fans. Also, pre-main separation is possible, and future development into separation is also possible. The exterior has a feeling of use over time, such as dullness and small scratches. Serial 04294 (Hiroki Aso)
Maintenance information: 2023.9.24 Maintained (knob mount, output, bad contact, replacement switch, disassembly, contact cleaner application, left, right, main amplifier circuit, power supply circuit, equalizer circuit, and other boards, soldering correction, input/output pin jack polish)
Accessories: copy of instruction manual
Main specifications: 130W+130W (8Ω) 150W+150W (6Ω) PHONO (MM/MC) pre-main separable W473 x H169 x D464mm 26 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. On the exterior, there is a feeling of use such as dullness and small scratches. Serial 10148 (Hiroki Aso)
Maintenance information: 2023.1.7 Maintained (main amplifier and other circuit boards, soldering, deterioration correction, TAPE terminal replacement, output relay, contact defect, switch, disassembly, contact polishing, input/output pin jack polishing)
Accessories: instruction manual
Main specifications: 130W+130W (8Ω) richness circuit frequency characteristics 5Hz to 100kHz W473 x H169 x D464mm 26 kg
A high-resolution era pre-main amplifier compatible with DSD 5.6MHz native playback and PCM384kHz. 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 is clear and has a wide range that suits the times. The exterior is good with no conspicuous scratches. Serial Y182250OQ (Fujisawa Yukishi)
Maintenance information: 2024.1.16 Operation confirmed
Accessories: remote control, instruction manual, power cord, original box
Main specifications: 100W+100W (8Ω) input 9 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 (reck-out x 2, subwoofer x 1, headphone x 1, USB-DC out x 1) W435 x H152 x D387mm 12.1 kg
* Currently sold products. It is a premain amplifier with good cost performance. With a black panel Yamaha design, it is an amplifier with a good balance between clear mid-high frequencies and powerful bass. It is a model made in pursuit of circuits and characteristics at an affordable price range. The appearance has a feeling of use such as Kusumi, small scratches, etc., and there are some gulls in switches such as volume. Serial 102480 (Nobuyuki Takahashi)
Maintenance information: 2022.6.5 operation confirmed
Accessories: instruction manual
Main specifications: 25W+25W (8Ω) W435 × H137 × D350mm 8.5kg
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