72 capacitors, 7 relays, etc. have been refreshed and maintained! It is the fourth generation of the NEC famous machine A-10. It has a slightly calmer impression compared to the predecessor TYPE3. It is an amplifier that combines the clarity of the high range and the good graininess of the sound, and the delicate parts. If you are looking for a powerful premain with a strong sound pressure, this is the best choice. There are small scratches and dullness in appearance (Oikawa Tetsuji)
Maintenance information: 2022.2.12 Maintained (LED power lamp. Transistors, capacitors, fuses, heat dissipation sheets, ICs, relays, resistors, semi-fixed resistors, zener diodes replacement. Re-solder over the old solder removal of substrates. Cleaning switches, relays, and VR contacts. (RCA terminal cleaning/plating processing, circuit adjustment, appearance cleaning, input/output check, running test)
Accessories: Copy of instruction manual
Main specifications: 60W+60W (8Ω) 120W+120W (4Ω) W430 × H165 × D485mm 27kg
I cut the price! 2020/11/6 Selling price 128,000 yen Maintenance! The fourth generation of NEC inscription machine A-10. It is an amplifier that combines the clarity of the high range, the fine grain of sound and the delicate place. Perfect for those who are looking for a primein with strong sound pressure and power. Appearance is overall feeling of use, there are scratches on the top plate. (Makoto Kono)
Maintenance information: 2020.11.6 Maintenance (Power lamp LED transistors, capacitors, fuses, heat dissipation sheets, ICs, relays, resistors, semi-fixed resistors, diodes, power supply SW, SP terminal replacement substrates over old solder removal re-solder switch relay VR contact cleaning RCA terminal cleaning plating circuit adjustment appearance cleaning each input/output accuracy running test)
Accessories: Instruction manual copy
Main Specifications: 60W+60W (8Ω) 120W+120W (4Ω) W430 × H165 × D485mm 27kg
The last model of the A-10 series. The power supply unit and housing are thoroughly strengthened, and the chassis connected to the transformer is designed to be immune to vibration by means of special anti-vibration materials. Moreover, the signal path and operation unit are thoroughly simplified to minimize the deterioration of sound quality. Its sound quality is straight and powerful, and the large speaker can be easily driven, giving you a lively music. Appearance, there are small scratches and line scratches. Serial 00200115 (Hachiken Masaaki)
Maintenance information: 2021.4.18 Maintenance (Master VOL Gari → Replace with Custom Volume, Line INPUT Selector SW, INPUT Mute SWW Disassembly Contact Cleaning, Other Substrate Solder Crack repair (Right end power supply knop and left end mute knop inside 20 degree degree bend Chassis deformation → Improved by sheet metal.)
Accessories: Instruction manual copy
Main specifications: Rated output 60W+60W (8Ω) 80W+80W (6Ω) 120W+120W (4Ω) 160W+160W (3Ω) BTL320W Power Consumption 290W Dimensions W430 × D480 × H177mm Weight 31 kg
A 21st century limited edition of the pure A-class premain amplifier “A-1,” which was released in the 1980s. The unique form and warm tone unique to A-1 reproduce string and vocal music in a glossy and mild way. This is an amplifier that I would like to combine with medium-sized and small speakers with a good tone (Yoichi Murakoshi)
Maintenance information: 2022.2.14 operation confirmed
Accessories: remote control, instruction manual, power cable
Main specifications: Pure A grade 36W × 2 (8Ω) Damping factor 142 Phono input Sensitivity 3.3mV (MM) Input impedance 47kΩ S/N ratio 81 dB Overload margin 29dB Line Input 4 Systems/PHONO Input 1 System (MM) Size W440 × H77 × D385mm Weight 7.15kg
The price has been reduced. 2023/4/8 sales price 138,000 yen 21st century limited edition of the pure A class A premain amplifier “A-1,” which went on sale in the 1980s. The unique form and warm tone unique to A-1 reproduce string and vocal music in a glossy and mild way. This is an amplifier that I want to pair with medium and small speakers with good sound. There is a USB terminal, but it is not compatible (Murakoshi Yoichi)
Maintenance information: 2023.4.8 sound output confirmed
Accessories: remote control, power cable
Main specifications: pure A grade 36 W x 2 (8 ohms) damping factor 142 Phono input sensitivity 3.3 mV (mm) input impedance 47 kΩ S/N ratio 81 dB overload margin 29 dB line input 4 systems/PHONO input 1 system (MM) size W440 x H77 x D385 mm weight 7.15 kg
The disposal price has been reduced! (Member discounts are not applicable) 2024/1/16 sales price 138,000 yen 21st century limited edition of the pure A grade premain amplifier “A-1,” which was sold in the 1980s. The unique form and warm tone unique to A-1 reproduce string and vocal music in a glossy and mild manner. This is an amplifier I want to combine with medium and small speakers with good sound. The exterior has a feeling of use such as dullness. Serial WAG0474 (Tomonori Asae)
Maintenance information: 2024.1.16 Sound output operation confirmed
Accessories: remote control power cable
Main specifications: pure A grade 36W x 2 (8Ω) damping factor 142 phono input sensitivity 3.3 mV (MM) input impedance 47 kΩ S/N ratio 81 dB overload margin 29 dB line input 4 systems/PHONO input 1 system (MM) size W440 x H77 x D385 mm weight 7.15 kg
The price has been reduced! 2022/1/2 selling price 59,800 yen 500 sets limited model A1 JUNIOR! The final version of the long-loved A1 series. Despite its size and price, it is one of the recommended units where you can fully enjoy pure A-class sound that is full of drive power. There are few scratches in the state, but there are letters disappearing on the front panel. Serial 045035 (Miura Kimiya)
Maintenance information: 2022.1.2 operation confirmed
Accessories: Copy of instruction manual
Main specifications: 20W+20W with phono (MM/MC) W410 × H70 × D250mm
The price has been reduced! A popular model that won the Good Design Award at a sales price of 54,800 yen on 2022 9/13. Equipped with Onkyo's proprietary digital amplifier technology “VL Digital” circuit. It is thin yet has high power, and the smooth sound of a digital amplifier is attractive. The slim housing allows you to enjoy it anywhere. The exterior has a feeling of use such as small scratches and dullness. (Asane Tomonori)
Maintenance Information: 2022.9.13 Operation confirmed
Accessories: remote control power cord
Main specifications: 100W+100W phono mm pre-out/power-in terminal W435 × H82 × D390 mm 11.3 kg
Price drop (2021.3.13 selling price 49,800 yen) A popular model that won the Good Design Award. Equipped with Onkyo's proprietary digital amplifier technology “VL Digital” circuit. Thin yet high power, smooth sound while digital amplifier is attractive. Slim housing allows you to enjoy anywhere. Top plate scratches, terminal dullness, dirt, small scratches scattered. Serial 1560910816A (Takasaki Takasaki)
Maintenance Information: 2021.3.13 Operation confirmed
Accessories: Remote control, explanation, power cord
Main Specifications: 100W+100W Phono MM Preout/Power-In Terminal W435×H82 × D390mm 11.3kg
A popular model that won the Good Design Award. Equipped with Onkyo's unique digital amplifier technology “VL Digital” circuit. The thin yet high power, and the smooth sound is attractive even though it is a digital amplifier. The slim housing allows you to enjoy it anywhere. Dullness over time, there are small scars (Sasaki Shota)
Maintenance information: 2024.5.20 Maintained (main volume contact correction. (I/O board signal line correction repair)
Accessories: remote control, manual, power cable
Main specifications: 100W+100W phono MM pre-out/power-in terminals W435 x H82 x D390 mm 11.3 kg
Maintained! The next generation console of the popular pure A grade Primain A1 from the musical Fidelity. It has power, and it sounds comfortably regardless of the speaker's efficiency. The exterior has dullness and scratches (Satoshi Yonejima)
Maintenance information: 2024.1.21 Maintained (corrected due to a crack in the knob shaft (slight friction remains due to slight eccentricity) Volume and push switch replacement solder correction screw hole tap correction. Check the audio and power consumption of each input and output. Since this model operates in Class A, it generates a lot of heat. (*Please be careful not to apply strong force as the knobs are structurally weak.)
Accessories: No accessories
Main specifications: output 20W+20W W408 x H164 x D249 mm 5.8 kg
The price has been reduced! 2023/8/31 sales price 69,800 yen maintenance completed! It is the successor to MUSICAL FIDELITY's bestseller “A1.” The design has been upgraded while following the features of A1. The tone is bright and crisp for an English one. The exterior has a feeling of use over time, such as dullness and small scratches. Serial SB00180 (Hiroki Aso)
Maintenance information: 2023.8.31 Maintenance completed (internal and external part cleaning, VR contact and input selector contact cleaning, ground terminal installation correction, idle current reset, upper class A operation confirmation, maximum output 40W @8Ω in pure A grade, confirmation of maximum output 40W @8Ω, normal input/output terminal function test)
Accessories: power cable
Main specifications: Power MOS-FET 2-stage complementary configuration 25W+25W (8 ohms) Outer dimensions W440 mm x H 95 mm x D340 mm Weight 29.5 kg
The price has been reduced. 2023/12/29 sales price 128,000 yen Maintained! Upgraded model of the famous A1 pre-main amplifier. In addition to the straightforward sound of pure A grade, the powerful driving power full of guts is attractive! There are stains on the exterior over time, but there are no noticeable scratches (Sasaki Shota)
Maintenance information: 2023.12.29 Maintained (bridge diode short circuit board capacitor defect, VOL failure → replacement, each SW, VOL cleaning operation check. No earth terminal screws, original not available, screw installation (Fuse break replacement)
Accessories: none
Main specifications: pure A grade 60W+60W with PHONO (MM/MC) W440 x H83 x D360 mm 13.0 kg