price cut. 2021/05/07 Selling price 158,000 yen. Comes with original box Yamaha's Primain amplifier with a floating and balanced power amplifier using MOS FET. A screw-fastening method is adopted for the termination, and the configuration takes into consideration the low impedance. Equipped with a phono equalizer with MC head amplifier. The smoothness and strength of the sound are exquisitely balanced, and the source is not selected from records to high-res sources. Appearance has small scratches and dullness (Sasaki Shota)
Maintenance Information: 2021.5.7 Operation confirmed
Accessories: Remote control, power cable, original box, explanation
Main Specifications: Output 90W +90W (8Ω) 150W+150W (4Ω) Input 7 Series (Phono MM/MC) Dimensions W435 × H157 × D463mm Weight 23.4kg
The price has been drastically reduced! 2023/12/1 sales price 99,800 yen*Spike covers are now in stock. An impressive premain amplifier with Yamaha's traditional retro design. It is an amplifier that inherits the characteristics of the delicate and elegant old Yamaha sound. It comes with a PHONO input and features balanced ease of use in all aspects. As for the exterior, there are scratches on the front panel and side wood. Serial Y03691800 (Yonejima Satoshi)
Maintenance information: 2023.12.1 operation confirmed
Accessories: remote control instruction manual power cable spike cover
Main specifications: full-stage balanced amplification output 90W+90W (8Ω) Phono (MM/MC) dimensions W435 x H137 x D465 mm, weight 22.7 kg
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
We have drastically reduced the price. 2021/7/31 Sales price 128,000 yen 2020.10.22 overhauled. Delicate and beautiful sound that can be said to be the origin of Yamaha Tone has been revived with a refreshing effect. The smooth, textured sound quality of stringed instruments and vocals is just as complete as light as well as modern primain amplifiers in the same price range. The appearance is uneven rubbing on the top plate and rust on the rear chassis. Serial 11612 (Kondo Hirotsugu)
Maintenance information: 2021.7.31 operation check
2020.10.22 Maintained (lamp, acid gold resistance, semi-fixed resistor, fuse resistor, relay replacement. All VR, SW disassembly cleaning Offset, idle current adjustment. (Check input/output waveform, left and right balance check, load test, and comprehensive operation test to confirm normal operation)
Accessories: Manual copy
Main specifications: Output 30W+30W (Grade A), 120W+120W (Grade B) W461×H170 × D360mm 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! 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
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
Refresh maintenance has been completed! The fresh, fresh tone has returned. The tone with a high sense of transparency and texture shows how much Yamaha applied power at that time. The built-in solid state and DC amplifier configuration, can be switched between grade B and grade A, and the eye-catching VU meter is also one of the attractions. Small scratches corresponding to the year, Kusumi are seen (Shota Sasaki)
Maintenance information: 2022.7.29 Maintained (replaced due to defective relay. The semi-fixed resistor, fuse, fuse resistor, micro SW, spark killer had deteriorated, so I replaced it. All SW and VR were completely disassembled and cleaned. Input waveform confirmation, load test (1kHz sine wave, 8Ω load: Class A 30W+30W, Class B 120W+120W, OK) sound output test.)
2016.1.26Maintained (transistor, heat dissipation sheet, meter lamp, semi-fixed resistor, electrolytic capacitor, fuse, output relay, RCA terminal, speaker terminal replacement. Resolder components on the board. SW, VR, RCA terminal cleaning Offset, idle measurement adjustment. Check the input/output waveform. (Sound output test.)
Accessories: manual copy
Main specifications: Output 30W+30W (grade A) 120W+120W (grade B) size W461 x H170 x D360 mm weight 20 kg
Maintained! A compact, yet high power premain amp built with the aim of high quality. The natural, clean tone typical of Yamaha is attractive. Overall there is dullness, dirt, and line damage on the top plate (Daiki Goto)
Maintenance information: 2024.3.9 Maintained (replacement of deteriorated IC in tone control circuit. Polish all slide volumes and remote wire switch disassembly contacts and apply contact cleaner. Main board power supply circuit and other circuit board soldering fixes. (Disassemble and clean panels, etc.)
Accessories: none
Main specifications: 120W+120W (8Ω) dimensions W435 x H133 x D365 mm weight 10.3 kg
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
※ There is no problem with operation, but since it is inexpensive, it is currently sold. An entry machine with high cost performance. The clean design enables a total of 6 analog audio input systems, including Phono (MM) terminals. Furthermore, it also has a built-in 192 kHz/24 bit D/A converter, making it easy to use. As for the exterior, there are insulator marks on the top plate. Serial Y317957TV (Miura Kimiya)
Maintenance Information: 2022.10.9 Operation confirmed
Accessories: remote control, instruction manual
Main specifications: Playback frequency band 10Hz to 100kHz Rated output 60W+60W/8Ω 70W/6Ω Analog input: line 5 systems PHONO x 1 system Digital input: optical digital x 1 Coaxial digital x 1 W435 x H151 x D387 mm 9 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
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
Replace deteriorated parts and refresh! The clear and refreshing sound has come back to life. This is the third generation model in the CA-1000 series. Even though the specs of the CA-2000 were downgraded, the sound characters are the same. It is also convenient to be able to switch instantaneously between Class A operation and Class B operation by switching. On the exterior, there is a feeling of use over time, such as dullness and small scratches scattered around. Serial 10233 (Asae Tomonori)
Maintenance information: 2023.3.25 Maintained (chemicon, transistor, heat dissipation sheet, SP terminal, RCA terminal, semi-fixed resistor, relay, resistor, diode, fuse, operational amplifier, meter lamp replacement. VR contact cleaning, SW ultrasonic cleaning. Resolder substrates and remove flux. (Semi-fixed VR adjustment, in-flight cleaning, waveform check, input/output check, various function checks F special confirmation, input/output waveform confirmation, load test)
Accessories: copy of instruction manual
Main specifications: 100W+100W during Class B operation (8Ω) 20W+20W during Class A operation (8Ω) Phono MM/MC compatible W461 x H170 x D360 mm 19 kg