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
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
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
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
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
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
Price cut! .2019/11/4 sales price 49,800 yen Maintained! It is a premain amplifier with good cost performance. The black panel Yamaha design has a good balance between clear mid and high frequencies and strong and powerful bass. It is a model made in pursuit of circuitry and characteristics in an affordable price range. The appearance is dull, there are small scratches. There is a crack mark on the left meter (Wang Exhibition)
Maintenance information: 2021.1.16 Maintained (INPUT selector switch internal metal caulking is rusted due to contact failure due to disassembly repair adjustment. (I checked the sound output for a long time)
2019.11.2 Maintained (Replace deteriorated transistors in the main amplifier circuit tone control circuit and other circuits. Panel switch and volume disassembly contact correction. Input/output pin jack polish * The meter of this unit has no parts, so I installed a used product of the same model, and it is slightly broken. (The meter of this unit is simple and there are no circuits or adjustments, so it is not very accurate)
2020.10.9Switch and volume assortment disassembly contacts were polished.
Accessories: None
Main specifications: 25W+25W (8Ω) W435 × H137 × D350mm 8.5kg
Maintained in 2023/6! A pre-main amplifier developed by incorporating Yamaha's unique technology to achieve stable driving capability at all times. It achieves clear sound that can be directly reached to the ears. It also has driving power, and it transmits power well. You can see noticeable scuffs and dullness on the exterior and top plate (Daiki Goto)
Maintenance information: 2023.6.7 maintenance completed (selector and other switch disassembly contact polishing, contact cleaner application, main amplifier circuit solder correction, various parts dismantled and cleaned.)
Accessories: none
Main specifications: power consumption 260 W rated 185 W+185 W (6 ohms) W473 x H171 x D448 mm 20 kg
The price has been reduced. 2022/10/6 sales price 39,800 yen maintenance completed! It is a premain amplifier characterized by the clean sound quality typical of Yamaha and the fineness of the mid to high frequencies. The PHONO input is MM/MC compatible and is also recommended for analog users. serial 121395. The exterior is scratched, dull, and there is a feeling of use (Katsutsugu Hiura)
Maintenance information: 2022.10.4 maintenance (pre-maintenance fixes. Switch and volume disassembly contact polishing, contact cleaner application. Main amplifier circuit board solder correction.)
Accessories: none
Main specifications: 100W+100W (8Ω) mm/MC compatible dimensions W435 x H112 x D365 mm weight 9.1 kg
The deteriorated parts such as 57 capacitors and 80 transistors were thoroughly replaced and refreshed! The third generation of the CA-1000 series. Until the predecessor, there was no meter, but from this model, it was equipped with a VU meter and looked closer to the higher-level model CA-2000. Natural sounds typical of Yamaha are alive and well. You can switch between Class A operation and Class B operation, so you can enjoy different expressions depending on the source and mood. There are small scratches and dents on the cabinet (Oikawa Tetsuji)
Maintenance information: 2022.8.8 Maintained (SW/VR disassembly cleaning and oxidation/anti-sulfide grease application, EQ part tantalum capacitor electrolytic capacitor transistor heat dissipation sheet replacement semi-fixed Resistive cement resistor fuse resistor fuse relay replacement, input waveform confirmation, load test (1kHz sine wave, 8Ω load: Class A 20W+20W, Class B 100W+100W, OK) sound test)
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
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 A high-grade premain amplifier made by Yamaha in the late 70's. A/B class can be switched. It is a model where you can enjoy two types of sound with one unit, whether you want delicacy in class A operation, or drive power with a class B operation. There are small scratches, dullness, etc. corresponding to the year (Tetsuji Oikawa)
Maintenance Information: 2022.2.20 Maintained (Power fuse replacement. Switch and volume disassembly contact polishing. Replaced the switch that does not lock. Replace defective output relay contacts. All circuit board solder deterioration has been corrected. Equalizer circuit main amplifier circuit adjustment. (Check sound output for a long time)
Accessories: none
Main specifications: Class A operation 30W+30W (8Ω) 120W+120W (8Ω) during class B operation Power consumption 375W Dimensions W460×H155×D426mm Weight 21kg