*Since the LCD is dark and dot unevenness is conspicuous, it is currently sold at a low price. This is a pre-main amplifier with a built-in FM/AM tuner. It's dictionary-sized and lightweight, but it produces high frequencies that pass through and low frequencies that are sharp. The tuner's reception sensitivity is good, and the loud DJ's voice resonates well (Sasaki Shota)
Maintenance information: 2024.1.4 operation confirmed
Accessories: power cable
Main specifications: output 25W+25W (6Ω) dimensions W200 x H70 x D260 mm weight 3.1 kg
Maintained. The successor that inherited the sound of the D series. A model where you can feel the uniqueness of Sansui at the time due to the extrusion of low frequencies and the creation of sound. They are energetic, playable, and go great with jazz and rock, and the phono is compatible not only with MM but also with MC, making it great for analog fans. There is veneer peeling on the side panel on the exterior (Sasaki Shota)
Maintenance information: 2023.12.28 maintained (balance volume replacement, output relay replacement, power cord replacement, main amplifier circuit transistor replacement, equalizer part op amp replacement, power supply unit floating resistor replacement, input selector, reck-out, tone, subsonic, muting switch disassembly, polishing grease application, each volume, switch cleaning, interior and exterior inspection cleaning, operation confirmation.)
Accessories: none
Main specifications: execution output 80W+80W (8Ω) damping factor 100 rated power consumption 200W phono MM/MC compatible W460 x H160 x D404 mm weight 13.2 kg
*Operation has been confirmed, but since it is inexpensive, it is currently sold. It is a simple amplifier circuit unique to digital amplifiers, and features a smooth tone that is straight and has no peculiarities. Also, the driving feeling is more attractive than it looks, and it drives the small SP powerfully. There is a feeling of use such as scuffs. Serial 2648JJB250023269 (Takasaki Atsushi)
Maintenance information: 2024.1.3 operation confirmed
Accessories: remote control, manual, RCA cable, power cord
Main specifications: 40W+40W (8Ω) damping factor 60 audio input terminals digital x 2 (optical x 1, coaxial x 1) analog x 5 audio output terminals analog x 1 W435 x H80 x D340 mm 10.2 kg
※It is inexpensive because it smells like tobacco and the veneer sheets can expand and contract. Remote control is missing. Lux mid-level class premain. It has a wide range equipped with a low frequency and warm color VU meter that is more powerful than the output, and the softness typical of a lux is comfortable. The exterior has a few spots such as dullness and small scratches. Serial W70310683C (Miura Kimiya)
Maintenance information: 2024.1.3 operation confirmed
Accessories: copy of instruction manual, power cable (general purpose)
Main specifications: 100W+100W (8Ω) W467 x H179 x D440 mm 20 kg
The price has been drastically reduced. 2023/12/29 sales price 128,000 yen Premain amplifier from Demizu Electric. It has a neutral, speedy sound. It combines a moderate sense of temperature and sound field reproduction. The ease of manufacture unique to domestic production is also attractive. There is a 2nd Generation notation. The exterior is dull. Serial 0049 (Murakoshi Yoichi)
Maintenance information: 2023.12.29 sound output confirmed
Accessories: instruction manual, power cord
Main specifications: 80W+80W input LINE3 system, with REC OUT W460 x H100 x D430 (mm) weight 9 kg
The price has been reduced. 2023/12/29 selling price 128,000 yen DENON's best-selling model. In addition to the thickness of the mid and low frequencies, the sound that smoothly extends the range to the high frequencies is attractive. It is an amplifier that incorporates the features of high-end machines, such as phono MM/MC switching and separate functions that enable pre-out power in. There is a line scratch on the top plate and a scratch on the volume knob (Sasaki Shota)
Maintenance information: 2023.12.29 Operation confirmed
Accessories: remote control, manual, power cable, original box
Main specifications: rated output 80W+80W (8Ω), 2 speaker output systems, AORB load, 4Ω to 16Ω, A+B load, 8Ω to 16Ω, W434 x H181.5 x D434.2 mm, weight 24.4 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
The disposal price has been reduced! (Member discounts are not applicable) 2023/12/9 sales price 298,000 yen Maintained during AccuPhase! It is the company's popular premain amplifier, manufactured by completely independent pre part and power part. The high resolution and sharp, sharp sound quality are appealing even today. The quality of the phono equalizer is also high, and it is also recommended for analog fans. The exterior is dull and scratched over time. Serial D1W701 (Hiroki Aso)
Maintenance information: 2023.12.9 maintained (since there are no original parts with poor main volume contact, replaced with replacement, push switch, balance volume, poor contact, inventory, cleaning, future operation guarantee, performance guarantee is not possible; since there is no original remote control, the replacement product can be attached, pressure resistance check is OK)
Accessories: Replacement remote control remote control (there are buttons that are in poor condition and don't work, but there are buttons that are not on the replacement remote control, so they are included) instruction manual
Main specifications: 170W+170W (8Ω) PHONO input compatible (MM/MC) dimensions W475 x H180 x D375 mm weight 25 kg
※There is no problem with the operation, but since it is cheap, it will be handed over as is. Onkyo's pre-main amplifier with a simple design. Although it is an inexpensive model, it has a clear, well-defined sound, and is recommended for those who want to enjoy music casually. The exterior is dull. Serial 3900 JJ5510640249 (Miura Kimiya)
Maintenance information: 2023.12.28 Operation confirmed
Accessories: remote control, instruction manual
Main specifications: 44W+44W (8Ω) PHONO (MM) W435 x H129.5 x D333 mm weight 6.4 kg
※The short pin is out of stock, so it's cheap. A compact and simple pre-main amplifier. Although it was a small housing, the extrusion was strong, and the wide range and clear, sharp sound were impressive. The sound is straightforward and has no habit. There are dark spots on the exterior (Tomonori Asaine)
Maintenance information: 2023.12.28 Operation confirmed
Accessories: none
Main specifications: W270 x H135 x D335 mm 7.5 kg
The price has been reduced. 2023/12/22 sales price 798,000 yen A pre-main amplifier compatible with high-resolution sound sources. Equipped with 6 digital audio inputs, including a USB audio processor, it is possible to convert asynchronous data between high-resolution DSD and PCM signals up to 192 kHz/32 bit resolution! A dedicated driver can be installed on a Windows computer, and high-resolution sound sources saved on the computer can also be enjoyed. In addition to the mid-low range, which has a traditional core, this is a versatile machine with an extremely high medium to high range with an extremely high SN-feel. Small scratches can be seen on the exterior (Hiura Katsuji)
Maintenance information: 2023.12.18 sound output confirmed
Accessories: remote control, instruction manual, power cable
Main specifications: output 200W+200W (8Ω) 350W+350W (4Ω/2 Ω) analog input XLR balance x 1 system RCA unbalance x 3 system input impedance 45 kΩ or more digital input XLR-AES/EBU x 1, RCA-S/PDIF x 2, OPT-EIAJ x 2, USB-B x 1 32 bit/192 kHz & DSD native playback compatible (USB input) sampling frequency 32, 44.1, 48, 88.2, 96, 176.4, 192 kHz W438 × H193 × D507 mm 32.6 kg
The price has been drastically reduced. 2023/12/22 sales price 680,000 yen This is the top model of a premain amplifier sent out by AccuPhase to commemorate its 40th anniversary. Uses AAVA volume. The power amplifier section with pure Class A operation is designed to be resistant to changes in the surrounding environment. An overwhelming amount of information filled with a sense of silence and scale. It's the ultimate premain with a high degree of perfection. Small scratches can be seen on the exterior (Hiura Katsuji)
Maintenance information: 2023.12.18 sound output confirmed
Accessories: remote control, instruction manual, power cable
Main specifications: 30W+30W (8Ω), 60W+60W (4Ω) frequency characteristics 20Hz to 20kHz input terminals/balance (XLR) x 2 systems, unbalance (RCA) x 5 systems. Up to 2 option boards can be added to the rear panel W465 x H191 x D428 mm 24.7 kg
Maintained! Onkyo's Primen amplifier. Aiming for a digital reference, we are measuring improvements in playback capability by thoroughly simplifying amplifier configurations and circuit configurations. This is one unit that naturally transmits digital information to speakers. There is dullness and scuff marks (Daiki Goto)
Maintenance information: 2023.12.27 Maintained (knob attached. Switches that can be disassembled are disassembled, the contacts are polished, and contact cleaner is applied. Soldering correction in the main amplifier and other circuits. (I/O pin jack polish.)
Accessories: copy of instruction manual
Main specifications: rated output 130W+130W (8Ω) damping factor 100 power consumption 230W size W471 x H173 x D396 mm weight 22.5 kg
This model is the first premain amplifier equipped with AAVA volume control. In addition to the delicate and warm characteristics of pure A class amplifiers, the sense of sound field is also expanded by equipped with excellent SN volume during actual use. It is a practical pre-main amplifier with an extremely high degree of perfection. The exterior is good, with a slight dullness (Kobayashi Hitoshi)
Maintenance information: 2023.12.26 Operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: 30W+30W (8Ω), 60W+60W (4Ω) compatible impedance 8 to 16 ohms W465 x H196 x D427 mm 23.9 kg
*Currently sold. The remote control is out of stock. An entry model with excellent cost performance. Since it comes with a phono circuit, you can also enjoy records. The sound quality is stable in both digital and analog. There is an appearance, dullness, and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.12.25 Operation confirmed
Accessories: none
Main specifications: 50W+50W (8Ω) line input 4 phono 1 system (MM) with pre-out terminal W434 x H121 x D308 mm 7.1 kg
※6 month warranty. Comes with a remote control. DENON's pre main amplifier with excellent cost performance. It is also suitable for entry-level machines and second systems. There are threads and dullness on the exterior (Mizusaki Ryo)
Maintenance information: 2023.12.26 sound output confirmed
Accessories: remote control, instruction manual, power cord, original box
Main specifications: 70W+70W (8Ω) 140W+140W (4Ω) PHONO/MM/MC switching compatible W434 x H134 x D407 mm 14.6 kg
The price has been drastically reduced! 2023/12/23 sales price 158,000 yen*It is cheap because there are noticeable scratches on the knobs and upper front. Maintained by Luxman! This is a pure Class A premain amplifier that combines subtlety and strength. The sound unique to Lux Class A amplifiers, which is smooth, glossy, and has a sense of scale, is attractive. The low frequency playback also has a sense of volume, and it has a reputation for being compatible with European speakers such as TANNOY. As for the exterior, there are scratches and bumps on the front and cabinet. Serial A20715616A (Yonejima Satoshi)
Maintenance information: 2023.12.8 manufacturer maintenance completed (balance volume replacement. Replace the protector relay. Main part limiter circuit capacitor replacement. Solder deterioration part correction. Other parts are inspected and readjusted)
Accessories: copy of instruction manual
Main specifications: 50W+50W (8Ω), pure A class operation, equipped with a high-capacity toroidal transformer, phono equalizer, MM/MC compatible, W438 x H176 x D467, 30 kg
A special edition of the PM-80. A popular Marantz model from the 90s that has both luster and strength. This is a geeky model where you can enjoy the difference in tone by switching between A grade and AB grade. There is a feeling of use, dullness, and small scratches. Serial MZ009119060022 (Teramoto Hidehiko)
Maintenance information: 2023.12.24 Maintained (replacement of defective output relay contacts. Polish the selector switch and other disassembly contacts and apply contact cleaner. I/O pin jack polish Power supply circuit soldering correction)
Accessories: none
Main specifications: AB class 100W+100W (8Ω) A grade 20W+20W (8Ω) size W454 x H165 x D380 mm weight 17.5 kg
Maintained! A limited production model with a monthly production of 300 units with improvements based on the Integra A-927. This is a car with an honest and clear sound that makes you feel the uniqueness of Onkyo. The exterior is dull due to aging, and there are scratches on the top plate. Serial 5712010768 (Miura Kimiya)
Maintenance information: 2023.12.24 Maintained (switch disassembly, contact polishing and contact cleaner applied. Main amplifier circuit power circuit soldering correction. Disassemble and clean snacks. (I/O pin jack polish)
Accessories: instruction manual, power cable
Main specifications: 95W+95W (8Ω) W445 x H165 x D436 mm 19.5 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. On the exterior, there is a feeling of use such as scuffs on the top surface and side wood. Serial 01589 (Takasaki Atsushi)
Maintenance information: 2023.6.25 Maintained (PHONO circuit IC replacement. (Long-time sound check)
2023.6.14 Maintained (replacement of defective parts in the left and right main amplifier circuits, all circuit board soldering fixed. PHONO SELECTOR SWITCH RECOUT SWITCH DISASSEMBLY CONTACT POLISHING CONTACT CLEANER APPLICATION. Switch and volume class disassembly contacts corrected. (I/O pin jack polish.)
Accessories: copy of the manual
Main specifications: 130W+130W (8Ω) richness circuit frequency characteristics 5Hz to 100kHz W473 x H169 x D464 mm 26 kg
The price has been reduced. 2023/12/16 sales price 59,800 yen A straight, clear, dynamic, and speedy premain amplifier. A popular model with clear outlines and sophisticated sound characters unique to Soul Note. There is an appearance, dullness, and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.12.16 Operation confirmed
Accessories: instruction manual, power cord, spike
Main specifications: output 10W+10W (8Ω) headphones 3W+3W (32Ω) S/N ratio 115dB W420 × H98 × D243mm weight 6.0 kg
Maintenance was carried out in 2019. Marantz pre-main amplifier with excellent cost performance. The sturdy, heavy construction is unique to the heyday of audio. Class A operation can be switched, and both design and sound quality are unique to that time. There is a scratch on the lower right side (Kanai Hidetsugu)
Maintenance information: 2019.3.29 Maintained (input selector, REC OUT selector disassembly contact polishing. Output relay replacement. Fix it by injecting cleaning agent into the MM/MC changeover switch. Signal line connector pattern solder correction. (I/O pin jack polish)
Accessories: instruction manual
Main specifications: 20W+20W (when grade A) 100W+100W (when AB grade) W454 x H165 x D380 mm 17.5 kg
The price has been reduced. 2023/12/2 sales price 36,800 yen*Inexpensive because there are noticeable scratches on the front panel. Denon's mid-level premain. The Phono is also attractive because it is compatible with MM/MC and has excellent cost performance. A model with a natural and clean tone that is easy to match with various speakers. It is also recommended as an introductory machine. There is a feeling of use such as scratches and dullness. Serial 9051514958 (Takasaki Atsushi)
Maintenance information: 2023.11.30 Operation confirmed
Accessories: remote control, power cord, copy of manual
Main specifications: rated output 70W+70W (8Ω) playback frequency band 5Hz to 100kHz input 5 systems output 2 systems W434 x H134 x D410 mm 14.6 kg
Maintained! Marantz premain amplifiers that can be switched between A and AB classes are still highly popular. It comes with a balanced input that is compatible with high-end cables. It is an amplifier that has a reputation for sound quality, and has a good overall balance of good tone, thickness, suppleness, etc. On the exterior, there are scratches and dirt marks. (MIURA Kimiya)
Maintenance information: 2023.12.20 maintenance completed (INPUT select SW, REC select SW disassembly contact polishing contact grease application, speaker relay replacement, PHONO switch, speaker SW, class ASW each replacement, output board internal solder inspection and repair, other B idling A idling adjustment, input/output terminal connection sound confirmation)
Accessories: instruction manual
Main specifications: Class A 30W+30W (8Ω) Class AB operation 130W+130W (8Ω) Dimensions W454 x H170 x D460 mm Weight 26.0 kg
Disposal prices have been reduced. Member discounts will not be applied. 2023/12/17 Sales price 125,000 yen Maintained! The α707L EXTRA is popular in the series. Compared to the D707, the SN feel in the mid to high range is much better, and it is clear and has excellent sound. It has plenty of driving power and makes a strong, sharp sound. Even a medium speaker can make enough noise. There is large peeling on the veneer of the right side wood, bruises on the front and bottom of the left side wood, and other small scratches are scattered (Kanai Hidetsugu)
Maintenance information: 2023.12.17 Maintenance completed (main volume cleaning, phono and other pin jack polishing, output relay/headphone relay replacement, solder repair, source direct and lower switch disassembly, polishing grease application, each volume switch cleaning, interior and exterior inspection, adjustment inspection, operation confirmation)
Accessories: copy of the instruction manual
Main specifications: 160W+160W (6Ω), 130W+130W (8Ω) W466×H163×D450mm 22.0kg
※The video has not been checked. Currently sold! It is an AV surround amplifier that inherits the design philosophy of the flagship model AVC-A1SEA and is fully equipped with cutting-edge surround formats and high sound quality technology. The exterior has a feeling of use such as small scratches and dullness. Serial 1061500531 (Asaina Tomonori)
Maintenance information: 2023.12.19 sound output confirmed (2 channels only, video unchecked)
Accessories: power cord
Main specifications: AC 100 V, 50/60 Hz, power consumption 315 W (less than 2 W in standby), external dimensions W434 x H171 x D416 mm (including foot, knob, and terminals), weight 17.0 kg
While maintaining the technology and quality of the E-200 series, this integrated amplifier has been further refined to enhance the degree of perfection. The high quality sound of the large power transformer, current feedback amplifier circuit, and high quietness of the accuphase is attractive. It is equipped with an option board input slot, and it is possible to add digital inputs, analog disk inputs, etc. There is a thin scuff on the right side (Kanai Hidetsugu)
Maintenance information: 2023.12.16 Operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: 90W+90W (8Ω) current feedback amplifier circuit with balance input W475 x H150 x D422 mm weight 18.9 kg
There is no problem with operation, but since it is inexpensive, it is currently sold. An introductory model of the Musica 62 series premain amplifier. Even though it's half size, it sounds as good as a full size audio system. Enjoy the smooth analog sound. The exterior has a light feeling of use, such as light scratches on the top plate and side plates (Kobayashi Hitoshi)
Maintenance information: 2023.12.16 Operation confirmed
Accessories: power cord
Main specifications: maximum output 40W+40W (4Ω) input RCA line 3 systems W217 x H65 x D197 mm
Maintained! ※The inside has a mold-like smell, so it's cheap. Pre-main amplifier from the late Sansui period. It is a model where you can fully enjoy the powerful and delicate SANSUI sound. Although it has a high output, it has a structure where that vibration is not transmitted to the chassis, and it features a mid-high range with a high sense of transparency like a MOS FET. It is a prime main with a high degree of perfection that fully satisfies not only jazz and rock, but also vocals and classical music. The exterior is sidewood, and there are small scratches on the front panel. Serial 608060775 (Murakoshi Yoichi)
Maintenance information: 2023.12.13 maintenance (input selector - other following switch disassembly, polishing grease application (rackout, processor, power amplifier direct, MM/MC switch), output relay, headphone relay replacement, tone, speaker, loudness, subsonic switch replacement, solder repair, each volume, switch cleaning, internal inspection, adjustment inspection, re-cleaning.)
Accessories: instruction manual (copy)
Main specifications: Ultimate α-X balance circuit Phono (MM/MC switching) with input output 160W+160W (8Ω) W462 x H165 x D448 mm 33 kg
Maintained! A premain amplifier boasting high driving power, supported by a powerful power supply unit typical of Sansui. The sound is soft and transparent, yet it also has solid, thick bass. The sophisticated design is also attractive. There is a slight bias in the BASS knob, but there is no problem with the operation (Murakoshi Yoichi)
Maintenance information: 2023.12.13 maintenance (output relay, headphone relay replacement, input selector and other switches disassembly and polishing grease application (power amplifier direct, source direct, rackout, tone, loudness, subsonic, processor switch), solder repair, interior and exterior inspection and cleaning, offset adjustment inspection, operation confirmation.)
Main specifications: 130W+130W (8Ω) rated power consumption 330W W471 x H162 x D452 mm Weight 23.5 kg
Disposal prices have been reduced! (Member discounts will not apply) 2023/12/7 Line-only premain incorporating advanced technology at the time of sales price 198,000 yen. Genuine NASPEC product. It is equipped with UFPD, which is a special circuit for the amplifier driver, and PFC technology that takes into consideration the power supply system that drives it. You can enjoy sounds typical of Scandinavia that are clear, delicate, and pleasant. There are small scratches on the exterior. Serial 1132-3213 (Kimiya Miura)
Maintenance information: 2023.12.7 operation confirmed
Accessories: remote control, instruction manual, power cord, connection cord, original box
Main specifications: 120W+120W (8Ω) input XLR x 2 systems, RCA3 system output RECOUT x 1 system, PREOUT x 1 system, W430 x H100 x D375mm 11 kg
Transistors, capacitors, and many other parts have been replaced and refreshed and maintained! It was the highest-grade model at the time and has a vintage sound that overwhelms others, and by actively replacing deteriorated parts, sounds that tend to be cloudy have become clear, and the original sound momentum has been revived. In particular, it goes great with the JBL Lancer series at the time. The exterior has dullness and small scratches (Sasaki Shota)
Maintenance information: 2023.6.14 maintenance completed (SP terminal wiring correction, card edge connector cleaning, input/output waveform confirmation, sound output test)
2022.11.11 Maintained (AC cord, capacitor, transistor, heat dissipation sheet, semi-fixed resistor, fuse replacement. SP terminal created. Various SW/VR internal washes and cleanings. Clean each board contact. Remove the old solder and then re-solder it. Interior and exterior cleaning, idle DC offset adjustment. (Various inputs and audio output of all SP terminals have been tested.)
Accessories: copy of the instruction manual
Main specifications: 80W+80W (8Ω) frequency characteristics 5Hz to 100kHz tone control/Bass, Midrange, Treble 3-stage adjustment W462 x H155 x D316mm 17.5 kg
※Since there are many scratches on the cabinet, it is inexpensive. Maintained! A premain amplifier that can be switched between pure A grade and AB grade. An ambitious work by Marantz made in Japan. The arrangement of the knobs and buttons is very marants-like, and the atmosphere is retro and tasteful. The sound, which is warm and you don't get tired of listening to, is different from modern Marantz. You can switch between pure A grade and AB grade, so you can enjoy the difference in tone. In addition to dullness and small scratches on the exterior, there is a feeling of use, such as tape marks and repair marks scattered on the top plate. Serial 18F2000095 (Takahashi Nobuyuki)
Maintenance information: 2023.12.11 maintenance completed (power supply fuse and fuse holder exchange output transistor 2SC2681 exchange volume exchange speaker relay disassembly contact cleaning INPUT selector SW tape monitor SW tape COPYSW each disassembly contact polishing grease application part board solder repair A class B class idling adjustment each input/output connection sound check)
Accessories: none
Main specifications: 80W+80W (8Ω, AB grade) 20W+20W (8Ω, pure A grade), damping factor 100 or more, dimensions W416 x H146 x D332 mm, weight 13 kg
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
The manufacturer has maintained it! This is the 4th generation of the DENON 2000 series. It is an amplifier that can be enjoyed regardless of the genre of music, with its plump, and loud mid-low frequencies and well-sharpened tones. There is a feeling of use such as dullness, dirt, slight loss of input characters, sunburn on the SP terminal, etc. Serial 2061502843 (Takasaki Atsushi)
Maintenance information: 2023.10.19 manufacturer maintenance completed (phono part ground side replacement, MM/MC changeover switch replacement, volume volume/SD switch contact restoration agent application, input select switch disassembly/contact polishing/lubricant application, idling adjustment. Operation test.)
Accessories: instruction manual copy, power cord
Main specifications: High rigidity, 6-block, separate chassis, power amplifier, direct input, bi-wiring compatible, 80W+80W, W434 x H180 x D478 mm, 23.5 kg
Maintained! A late model in the popular classic 607 series. The resolution is high, the outline is clear, and matches well with modern speakers. You can experience the mid-low range, which has a sense of power, in this price range. The exterior has dullness and small scratches. Serial 60505454 (Yonejima Satoshi)
Maintenance information: 2023.11.18 maintenance completed (input selector, other switch disassembly, polishing, grease application (tone, loudness, muting, subsonic, processor, power amplifier direct, source direct, tape), master volume, switch cleaning, output relay replacement, solder main part repair, pin jack polishing, stop screw rust removal, interior and exterior cleaning, each input/output check, operation inspection)
Accessories: copy of the instruction manual
Main specifications: 105W+105W (6Ω) 90W+90W (8Ω) phono MM/ MC switching W430 x H162 x D452 mm 18 kg
Maintained! A premain amplifier with clear contours and sharp sound quality. In addition to the conventional sense of dynamism, it is an amplifier with a high degree of perfection with a wide high frequency range. The low range with good extrusion generated from the powerful power supply unit is an advantage unique to the XR series. It is suitable for jazz and rock music. There is a feeling of use such as scratches, dirt, etc., and the panel board floats. Serial 613100151 (Takasaki Atsushi)
Maintenance information: 2023.12.10 maintained (input selector and other switches below, disassembly, polishing grease application (power amplifier direct, source direct, tape, rackout, tone, loudness, subsonic, muting, processor switch), output relay, headphone relay replacement, main amplifier, power supply part and other solder repair, volume cleaning, internal inspection and cleaning, inspection and adjustment, running test .)
Accessories: copy of the instruction manual
Main specifications: 160W+160W (6Ω) 130W+130W (8Ω) rated power consumption: 330W, W466 x H162 x D452 mm, 23 kg
The price has been drastically reduced! 2023/12/8 Sales price 178,000 yen Maintained by Luxman! This is a pure A grade premain amplifier that combines subtlety and strength. The smooth, glossy sound unique to Lux Class A amplifiers with a sense of scale is attractive. Low frequency playback also has a sense of volume, and it has a reputation for being compatible with European speakers such as TANNOY. As for the exterior, there are small scratches on the front and cabinet. Serial A20715616A (Yonejima Satoshi)
Maintenance information: 2023.12.8 manufacturer maintenance completed (balance volume replacement. Protector relay replacement. Main part limiter circuit capacitor replaced. Solder deterioration part fixed. (Other parts inspection and readjustment)
Accessories: copy of the instruction manual
Main Specifications: 50W+50W (8Ω) Pure A Class Operation Large Capacity Toroidal Transformer Equipped with Phono Equalizer MM/MC Compatible W438 x H176 x D467 30 kg
The price has been drastically reduced! 2023/12/2 sales price 648,000 yen This is Luxman's flagship premain amplifier. The new LECUA1000 is installed, and the output stage of the preamp circuit uses a discrete buffer circuit, a unique amplification feedback circuit ODNF Ver. 4.0, an LR independent block capacitor, and high sound quality parts permitted only for high-end models. It is the ideal premain amplifier advocated by Luxman. There are some scratches on the exterior. Serial G70900090 (Kimiya Miura)
Maintenance information: 2023.12.2 operation confirmed
Accessories: remote control, instruction manual, power cable
Main specifications: rated output 120W+120W (8Ω), 240W+240W (4Ω), 4 input lines, 1 phono system (MM, MC switching), 2 balanced systems, 1 separate input/output system, 1 system, W440 x D463 x H193 mm, 29.3 kg
In addition to the scuff marks on Source Direct, there are many small scratches and stains, so it is inexpensive, and is currently sold. DENON's premain amplifier has excellent cost performance. Suitable for entry-level machines and second systems (Murakoshi Yoichi)
Maintenance information: 2023.12.8 sound output confirmed
Accessories: remote control, instruction manual copy, power cord
Main specifications: 70W+70W (8Ω) 140W+140W (4Ω) PHONO/MM/MC switching compatible W434 x H134 x D407 mm 14.6 kg
The manufacturer has maintained it! Accuphase entry pre-main amplifier. It is equipped with the same AAVA volume control system as higher-level models such as the E-560. Even though it's an entry-level machine, it boasts a degree of perfection that makes you feel the high quality typical of Accuphase everywhere. The exterior is beautiful even though there is some feeling of use. Serial 15X158 (Asaina Tomonori)
Maintenance information: 2023.12.9 maintenance completed (COMP switch replacement, other switch cleaning, TONE rotary cleaning, inspection and adjustment of each part, safety check, pressure resistance check, pressure resistance check ※ currently using a non-shorting type switch, and when the switch is pressed, there is a buzzing sound, but it is not abnormal)
Accessories: original box remote control power cable instruction manual
Main specifications: 115W+115W (6Ω) 105W+105W (8Ω) W465 x H151 x D420 mm 20 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
Hi-Fi Hall's first appearance! Sharp's high-end premain became Japan's first digital amplifier. It uses 1-bit digital amplifier technology jointly developed with Waseda University to achieve reproduction that is extremely close to the original sound. The exterior has small scratches and a feeling of use (Hiura Katsugu)
Maintenance information: 2023.11.29 Operation confirmed (iLink Audio input not checked)
Accessories: power cord, insulator
Main specifications: 1 bit amplifier rated output 100W+100W (8Ω) frequency characteristics 5Hz to 100kHz+1-3db digital input ST optical, BNC coaxial, RCA coaxial, 1 optical system each analog input RCA2 system, XLR1 system output terminal digital optical, 1 RCA analog system each W472 x H89 x D462 mm 18.5 kg
The price has been drastically reduced. 2023/11/24 sales price 89,800 yen Cambridge Audio premain amplifier that supports up to DSD256 with USB input. The ESS saver ES9010K2M is used as the DAC. The full range of performance that greatly exceeds the price, such as Roon support, is attractive. The degree is generally good (Murakoshi Yoichi)
Maintenance information: 2023.11.17 sound confirmed
Accessories: remote control, instruction manual, power cord, antenna, original box
Main specifications: 60W+60W (8Ω) analog input 4 systems, digital input coaxial, optical, USB, Bluetooth PCM32 to 384 kHz, DSD256 or DOP256 up to W430 x H115 x D341 mm 8.3 kg
Maintained! This is a masterpiece primain with an exhilarating thickness in the middle range and thickness of the low range. The special phono part uses a transformer to boost the built-in MC. Compared to lower models, it combines care that allows you to enjoy classical music. The exterior is scratched on the top of the front, and there are other threads and stains overall (Mizusaki Ryo)
Maintenance information: 2023.11.17 Maintained (input selector and other switches below, disassembly, polishing grease application (tone, filter)
16 Hz, 20 kHz, tape, muting, rackout switch), balance, treble, bus volume exchange, output relay, headphone relay replacement, main amplifier circuit transistor, semi-fixed VR, capacitor replacement, solder repair, each volume, switch cleaning, pinjack polishing, internal inspection and adjustment, operation confirmation. (*If the power is turned off when the tone is on, a popping sound may appear, but there is no effect on sound quality, etc.)
Accessories: copy of the instruction manual
Main specifications: 130W+130W (8Ω) W460 x H160 x D444 mm 18 kg
Denon's best-selling model. In addition to the thickness of the mid to low frequencies, the sound that smoothly extends to the high frequencies is attractive. It is an amplifier that incorporates the functions of high-end machines, such as a separate function that allows phono MM/MC switching and pre-out power-in. There are no noticeable scratches on the exterior. Serial 2111500737 (Kimiya Miura)
Maintenance information: 2023.11.26 operation confirmed
Accessories: remote control, instruction manual, power cable
Main Specifications: Rated Output 80W+80W (8Ω) Speaker Output 2 Systems AORB Load 4Ω to 16/A+B Load 8Ω to 16Ω W434 x H181.5 x D434.2 mm Weight 24.4 kg
The price has been reduced. 2023/6/28 Sales price 39,800 yen ※The SP terminal is missing. Maintained Marantz premain amplifier with excellent cost performance. The solid, heavy construction is unique to the heyday of audio. Class A operation can be switched, and both design and sound quality are of a quality unique to that time. There are signs of use such as dullness, scratches, peeling of side paint, back corrosion, etc. Serial MZ01938040636 (Takasaki Atsushi)
Maintenance information: 2023.6.28 maintenance completed (switch and volume type disassembly contacts fixed. It's fine when the direct switch is on, but there is a slight gang error when off. (Each part can be decontaminated and the sound output check for a long time is OK)
Accessories: copy of instructions
Main specifications: 20W+20W (grade A time) 100W+100W (AB grade time) W454 x H165 x D380 mm 17.5 kg