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
The disposal price has been reduced! (Member discounts are not applicable) 2024/3/10 sales price 69,800 yen Maintained! A stereo premain amplifier developed by inheriting CA-1000 technology. It is an amplifier that can evaluate pure sound quality without habit. The straight tone and glossy high frequencies give an impression. Even though it's an old model, it doesn't feel that the range is narrow, and it goes perfectly with rock, jazz, drums, and wind music. The exterior is dull, scratched, etc. (Tamai Jun)
Maintenance information: 2024.3.10 Maintained (speaker terminal replacement, power cord replacement, power supply circuit, tone control circuit, main amplifier circuit, etc., deterioration resistance and transistor exchange switch and volume contacts disassembly polishing input/output pin jack polishing*The circuit is not stable immediately after turning on the power supply, so when the filter or tone switch is switched, it makes a crackling sound. (If you wait a little while, it won't bother you)
Accessories: none
Main specifications: output 45W+45W (8Ω, Class B operation) 10W+10W (8Ω, Class A operation) 20Hz-20kHz power consumption rating 190W maximum 300W external dimensions 436 x H144 x D323 mm weight 13.5 kg
A premain amplifier in the high-resolution era that supports DSD5.6MHz native playback and PCM384kHz. Equipped with state-of-the-art equipment such as a USB DAC function, it has a convenient design that can be easily operated with only knobs and buttons. It boasts a clear and wide range feeling that matches the times (Fujisawa Yukishi)
Maintenance info: 2022.7.28 Operation confirmed
Accessories: remote control, instruction manual, power cord, original box
Main specifications: 100W+100W (8Ω) input 9 systems (CD × 1 tuner × 1 line × 3 phono MM × 1 optical digital × 1 coaxial digital × 1 USB Type B × 1) output 5 systems ( Reckout x 2, subwoofer x 1, headphones x 1, USB-DC out x 1) W435 x H152 x D387 mm 12.1 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
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
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
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
※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
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