Accuphase's pure A class stereo flagship model. The balance between static and dynamic, and soft and stiff is packed into this car. A power MOS FET with a reputation for sound quality and reliability is used as the output element, and 10 parallel push-pull drives are used per channel. Furthermore, the powerful power supply unit achieves linear high power up to an ultra-low impedance of 1 ohm. There are scratches on the exterior. Serial D1Y563 (Fujisawa Yukishi)
Maintenance information: 2024.5.25 Operation confirmed
Accessories: instruction manual, power cable (general purpose)
Main specifications: 60 W+60 W (when 8 ohm stereo specification) 240 W (when 8 ohm mono specification/bridge connection) gain 28 dB load impedance 2 to 16 ohms (in stereo specification) 4 to 16 ohms (in mono specification/bridge connection) W465 x H238 x D515 mm weight 43 kg
Accuphase's pure A class stereo flagship model. The balance between static and dynamic, and soft and stiff is packed into this car. A power MOS FET with a reputation for sound quality and reliability is used as the output element, and 10 parallel push-pull drives are used per channel. Furthermore, the powerful power supply unit achieves linear high power up to an ultra-low impedance of 1 ohm. The exterior has some impact scratches on the corner. Serial D1Y562 (Fujisawa Yukishi)
Maintenance information: 2024.5.25 Operation confirmed
Accessories: instruction manual, power cable (general purpose)
Main specifications: 60 W+60 W (when 8 ohm stereo specification) 240 W (when 8 ohm mono specification/bridge connection) gain 28 dB load impedance 2 to 16 ohms (in stereo specification) 4 to 16 ohms (in mono specification/bridge connection) W465 x H238 x D515 mm weight 43 kg
This is a 5th generation digital voicing equalizer equipped with independent sound field correction and equalizer functions. Various connections are possible with various digital/analog input/output, including the company's unique HS-LINK. You can freely control the sound field and tone according to the environment. The exterior is also good with no particularly noticeable scratches. Serial C3Y418 (Tomonori Asaine)
Maintenance information: 2024.5.26 Operation confirmed
Accessories: Remote control instruction manual, power cord, connection cord, microphone stand, microphone cable, cross, original box
Main specifications: digital input (HS-LINK x 1 COAXIAL x 1 OPTICAL x 1) digital output (HS-LINK x 1 COAXIAL x 1 OPTICAL x 1) analog input (RCA x 1 XLR x 1) analog output (RCA x 1 XLR x 1) USB terminal USB 2.0/3.0 (up to 128 GB) ※ USB memory connection W465 x H161 x D396 mm weight 14.9 kg
With AI2-B1 (balanced input board) +AO2-B1 (balanced output board). This is the 2nd generation digital voicing equalizer. Compared to the previous DG-28, it is overwhelmingly easy to use and convenience has been improved. Sound quality can be controlled surprisingly smoothly by operating the stylus attached to the main unit. You can save as many as 20 patterns of personal data. There is a feeling of use on the exterior, such as line scratches on the top plate, scratches on the upper corner, paint chips, etc. (Mizusaki Ryo)
Maintenance information: 2024.5.25 Operation confirmed
Accessories: instruction manual, remote control, power cord, connection cord, microphone
Main specifications: [Voicing] 1/6 octave 68 band IIR filter system adjustment range + · -12 dB [equalizer] 1/6 octave 74 band IIR filter+FIR filter/hybrid system adjustment range ± 12 dB [digital input/output] HS-Link/coaxial digital/optical digital 1 system each dimensions W465 x H151 x D396 mm weight 13.8 kg
The shadows of sound, and the expressive power of motion and stillness are really real. The sound is delicate and clear in the high range, and the overall transparency is high. The amplifier and volume adjuster are integrated, and an “AAVA” type volume with no mechanical contact is used. Many advantages can be obtained, such as improving the signal-to-noise ratio, reducing distortion ratio, suppressing changes in frequency characteristics, and not causing left and right volume errors. As for the exterior, there are fine scratches on the top plate and several line scratches on the sides. Serial H7Y419 (Yamato Yuki)
Maintenance information: 2024.5.19 Operation confirmed
Accessories: instruction manual, power cable, remote control connection cable
Main specifications: 7 input/unbalanced (RCA) systems (however, 2 input systems can be used with an OP board attached), 2 balanced (XLR) systems output/balance (XLR), 2 unbalanced (RCA) systems each W477 x H156 x D412 mm 21.6 kg
PSE standard product ACROLINK POWER CONNECTOR Model number unknown The exterior, dullness, and feeling of use can be seen (Kobayashi Hitoshi)
Accessories: none
The disposal price has been reduced. 2024/5/10 sales price 498,000 yen Both inside and outside have been maintained! Crescendo is a speaker system developed by Electri and sold with Altech's approval. This time it's an original original box specification with the 605B mounted on it. You can enjoy the tasteful design unique to vintage speakers and the crisp American sound with good texture and momentum. The exterior is also beautifully finished due to maintenance, but there are repair marks on the net (Sasaki Shota)
Maintenance information: 2024.5.10 Maintained (exterior cleaning/touch repair. Network assembly) 2023.9.3 maintained (exterior repair/polishing/clear finish front and rear baffle repair/paint saran net simple cleaning
Unit maintenance (low range side: viscoid adjustment/center adjustment, high frequency side: lead disconnection repair, magnetic circuit rust removal/gap cleaning/center adjustment, terminal contact cleaning) network maintenance (characteristic check, terminal cleaning) unit detachment)
Accessories: none
Main specifications: frequency characteristics 20 to 20,000 Hz, use unit 38 cm, 605B (coaxial type with built-in horn), maximum input 50 W, output sound pressure level 97 dB, crossover frequency 1.6 kHz, impedance 16 Ω
W690×H1018×D485mm
From exterior painting to gap cleaning, it has been refreshed and maintained with attention to detail! This is a 612C monitor speaker with a refined masterpiece 612A system. The unit is an early model 604-8G. The thick, unsluggish tone centered around the middle range is perfect for vocals. Since localization is also precisely determined, it is a practical and easy-to-use speaker (Takasaki Atsushi)
Maintenance information: 2024.2.8 Maintained (exterior repair/polishing/full painting, network mounting hole processing, saran net replacement. Unit maintenance (gasket replacement, input terminal contact cleaning, high frequency side disconnection repair/magnetic circuit rust removal/gap cleaning/center adjustment) network maintenance (frequency characteristic check, panel float bonding, ATT disassembly cleaning, input terminal contact cleaning) terminal cleaning)
Accessories: saran net
Main specifications: coaxial 2-way speaker unit 38cm coaxial impedance 8Ω 104dB crossover frequency 1.5kHz W648 × H749 × D509 mm 54.5 kg
The price has been drastically reduced! 2024/4/27 sales price 79,800 yen Maintained! This is the first AUDIO OF OREGON control amplifier to arrive in a long time. It is compatible with 117V specification American speakers such as ALTEC and JBL, etc., and although it is a transistor, it doesn't become too stiff and makes you enjoy the firm sound. The exterior has dullness and scratches. ※The plug has been changed. Genuine RF Serial 02117 (Tamura Eiji)
Maintenance information: 2024.4.27 Maintained (no running symptoms. The board vibration check connection was checked. (All pattern parts of the flat amplifier module unit have been added and soldered.) 2024.4.13 Maintained (Electrolytic capacitor replacement in amplifier module. Pattern contact defect correction. (Voice operation check)
Accessories: No accessories
Main specifications: All stages use pure class A operation circuit input phono (mm/47 kΩ) tuner, tape, aux dimensions W483 x H89 x D190 mm weight 4.5 kg
Set of 4 Audio-Technica's banana plug screw tightening method. It is a rear connection type that allows easy speaker settings, and is compatible with banana jacks with a diameter of 4 to 4.5 mm. (FUJISAWA KOSHI)
Accessories: No accessories
The optical digital cable uses a 0.7 m high-reliability metal ferrule plug and APF (all plastic fiber). How about an introduction to optical connections? The exterior is dull and has a feeling of use. (MURAKOSHI Yoichi)
Maintenance information: 2024.4.18 continuity confirmed
Accessories: none
Set of 4 Audio-Technica's banana plug screw tightening method. It is a rear connection type that allows easy speaker settings, and is compatible with banana jacks with a diameter of 4 to 4.5 mm. (FUJISAWA KOSHI)
Accessories: No accessories
Set of 4 Audio-Technica's banana plug screw tightening method. It is a rear connection type that allows easy speaker settings, and is compatible with banana jacks with a diameter of 4 to 4.5 mm. (FUJISAWA KOSHI)
Accessories: No accessories
Set of 4 Audio-Technica's banana plug screw tightening method. It is a rear connection type that allows easy speaker settings, and is compatible with banana jacks with a diameter of 4 to 4.5 mm. (FUJISAWA KOSHI)
Accessories: No accessories
Set of 4 Audio-Technica's banana plug screw tightening method. It is a rear connection type that allows easy speaker settings, and is compatible with banana jacks with a diameter of 4 to 4.5 mm. (FUJISAWA KOSHI)
Accessories: No accessories
An adapter that converts a pin plug into an L type. L-type conversion, convenient for connecting in tight spaces, etc. The terminals have an all-metal body with a gold-plated finish (Tetsuji Oikawa)
Accessories: original box
Main specifications: 2 pieces, 1 pair, outer diameter 12 mm
Disposal prices have been reduced. Member discounts are not applicable. 2021/4/10 sales price 2,000 yen. Remote cable 2.0m A remote cable that can synchronize the power switch between the company's control amplifier 035 and the power amplifier 036. It is connected from DC-OUT of 035 to DC-IN of 036 and works in conjunction with 035 operation. (Kondo Hirotsugu)
Maintenance information: 2021.4.4 Linkage confirmed by the company 035 and 036
Accessories: none
B&W bookshelf sized speakers It is equipped with a Nautilus tube and Kevlar cone unit from the higher series. This size is sufficient for clean mid to high ranges and low frequencies without any habit. It goes well with modern sauces. The jumper plate is dull, and there is a small scratch on the upper corner (Daiki Goto)
Maintenance information: 2024.5.7 operation confirmed
Accessories: instruction manual
Main specifications: 2 way 16.5 cm woofer 8 ohm bi-wiring connection possible W204 x H356 x D244 mm 6.1 kg
The price has been drastically reduced. 2023/9/28 sales price 700 yen. *Unopened item I opened it for photography. XLR cable 1.5m1 interconnect cable with the notation OFC AUDIO. XLR12C (male) - XLR311C (female) RoHS compliant (Hiura Katsuji)
Maintenance information: 2023.9.28 continuity confirmed
Accessories: none
The price has been drastically reduced! 2024/5/17 sales price 99,800 yen ※The HDD has been changed to an SSD (2TB). This is a black model that has upgraded the DELA N1A/N1Z, which was announced and sold as the industry's first “audio NAS,” and improved commerciality. Equipped with a dedicated USB-DAC connection terminal, the rear design has been renewed. In addition to being equipped with a 60W high-capacity power supply unit, a newly developed high-capacity capacitor bank is mounted on the rear stage of the power supply unit. The sound quality has been improved by mounting a newly selected 3.5-inch quiet drive floating on a silicon bushing. There are scuff marks and dirt marks on the exterior. Serial 40300161000139 (Fujisawa Yukishi)
Maintenance information: 2024.5.17 Operation confirmed
Accessories: power cord
Main specifications: storage capacity 2TB (2TB SSD x 1) input/output terminal USB 3.0 x 3 (import/capacity expansion/backup) USB 2.0 x 1 (for USB-DAC connection) RJ45 x 2 (router connection/network player) compatible file format WAV · AIFF · FLAC · ALAC · DSF · DFF sample frequency 44.1/88.2/176.4/352.8/48/96/192/384 kHz (PCM) 2.8 /5.6/11.3 MHz (DSD) compatible number of bits 16 to 32 bits (PCM) W436 x H70 x D352 mm weight 7 kg
※The output has been changed to an RCA terminal. 15th anniversary limited edition model of the famous DL-103 cartridge. It is a step-up transformer that was sold as a set as the DL-103 T2 at the time, and it has a solid framework and a thick sound. In addition to the exterior, as described above, you can see a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.5,21 operation confirmed
Accessories: Connection cable (external product)
Main specifications: frequency band 20 Hz to 70 kHz 40 ohms crosstalk 60 dB or more W92 x H55 x D145 mm 720g
DENON analog player. It is a model that is easy to use and has excellent cost performance. The phono cable is detachable and can be replaced with a cable of your choice. This model is also suitable for introductory use. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.5.12 Operation confirmed
Accessories: connecting cable, adapter, dust cover
Main specifications: quartz servo type direct drive speed 33 1/3 rpm, 45 rpm static balance S-shaped pipe arm needle pressure adjustment range 0 to 4.0 g compatible cartridge weight 14.0 to 20.0 g W450 x H170 x D370 mm 10.1 kg
Maintained by the manufacturer! Comes with an M44G cartridge and is ready to use. A new dust cover has also been created. A fully automatic player with high convenience. The ease of setting is also attractive, but after all, the repeat function and location mechanism that allows you to move the tone arm to the desired position and perform without touching it are convenient (Sasaki Shota)
Maintenance information: 2024.5.23 Maintained by the manufacturer (due to disconnection of the motor coil of the monitor inside the arm, the arm's UP/DOWN operation is fast and the operation fails → remove the arm and replace it. Arm position detection CDS replacement. Lead in adjustment, sound output test. (Create a new dust cover)
Accessories: cartridge (SHURE M44G) manual copy EP adapter
Main specifications: fully automatic player, direct drive, 33/45 rotation, variable needle pressure range, 0 to 3 g, compatible cartridge, dead weight 3 to 12 g (including screws and nuts), dimensions W434 x H179 x D410 mm, weight 8.5 kg
The disposal price has been reduced! (Member discounts are not applicable) 2023/12/1 sales price 298,000 yen Interior and exterior refreshment maintenance has been completed and brushed up! A consumer model of the 2S-305, a timeless monitor speaker masterpiece that Japan is proud of. The thick and clear midrange and detailed high frequencies, which cannot be felt with the look, vividly reproduce vocals. The sound that accurately expresses the characteristics of an amplifier that is set regardless of whether it is a vacuum tube or transistor makes me feel the goodness of the device I have on hand that I haven't been able to see until now. The exterior is in perfect condition due to maintenance. Serial 351364 4851370 (Yamato Yuki)
Maintenance information: 2023.12.1 Maintained (exterior polishing, oil finish, exterior repair, front and rear baffle painting to create missing parts, saran net replacement, velcro replacement. Woofer maintenance center adjustment, edge damping agent application, disconnection solder treatment, center cap dent correction. Tweeter maintenance center cap internal cleaning and replacement, center adjustment, corn paper edge crack repair, edge damping agent application, unit detachment. Network maintenance frequency characteristics check, ATT contact cleaning, terminal cleaning sound operation confirmed)
Accessories: saran net
Main specifications: 2 way bass reflex system input impedance 8 ohms output sound thickness level 96 dB crossover frequency 1500 Hz W650 × H880 × D445 mm weight 50 kg
The price has been drastically reduced. 2013/7/23 sales price 298,000 yen Edison disc phonograph. It's a name given by Edison, who created the gramophone, and there seems to be an anecdote where he was amazed and jumped up when he first heard the sound from a cylindrical gramophone he made himself. You can't enjoy the indescribable atmospheric sound anywhere else. A horn that is one size larger than the H19 is used. The exterior also has cracks, peeling, and cracks on the veneer due to aging. Also, rust is conspicuous on the wheels underfoot (Oikawa Tetsuji)
Maintenance Information: 2013.7.23 Maintained
Accessories: handle, snail
Main specifications: horn opening W392 x H260 mm main body W484 x H1140 x D500 mm
The HDMI cable is a 3.0 m high-grade connector, and a nylon mesh cable is used for the outer shell. It is possible to faithfully transmit high quality video and sound (Tamura Eiji)
Maintenance information: 2024.5.24 Operation confirmed
Accessories: none
The 0.5 m HDMI cable connector is made of high-grade aluminum material, and the outer skin of the cable uses a slim nylon mesh cable that can be wired neatly and is less burdensome when bending. Compatible with 4K2K (60P), it is possible to faithfully transmit high quality video and sound (Tamura Eiji)
Maintenance information: 2024.5.24 Operation confirmed
Accessories: case
*Currently sold. The output has been changed to an RCA female terminal. FR MC boost transformer using a toroidal core. Create a natural sound that makes it easy to understand the characteristics of cartridges. In addition to switching the impedance of 10 to 30 ohms, there is also a bypass position, so it is compatible with various cartridges without taking up much space. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.21 Operation confirmed
Accessories: copy of instruction manual, connection cable
Main specifications: impedance 10 ohm/30 ohm/PASS playback frequency band 20 Hz to 30 kHz W64 x H64 x D105 mm approx. 455 g
Since there are no connectable devices, it has not been checked. D-terminal cable The highest-grade D-terminal cable using a 1.5m silver-coated OFC conductor is ideal for transmitting high image quality images for progressive, high-definition devices, etc. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Accessories: none
It is a USB-connected bus-powered D/D converter that uses the C-Media “CM6642” as the digital audio control IC and is compatible with high-resolution sound sources (maximum 24 bit/192 kHz) (Tamura Eiji)
Maintenance information: 2024.4.13 operation confirmed
Accessories: instruction manual, original box
Main specifications: digital input: USB TypeB terminal USB 1.1/2.0 compatible, USBAudioClass 1.0/2.0 compatible digital output: coaxial digital audio output (COAXIAL) optical digital audio input (square) compatible format: PCM maximum 24 bit 192 kHz W40 x H25 x 81 mm 90 g
Maintained! Grad's rare wooden tonearm, which received rave reviews in stereo sound magazines, is now in stock. The beautiful curves and sleek design of the gunstock type walnut are excellent, and it is an arm that is the cornerstone of the Fifty's Sound. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.25 maintenance completed (arm side lead wire shell terminal solder repair output terminal 5P connector RCA terminal replacement cartridge installation simple check conductivity check)
Accessories: none
Main specifications: Dynamic balance type 0.5 kg (actual measurement)
This is an S-shaped tonearm. You can use static balance cartridges with a dead weight of 15 to 22 g. You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.5.22 continuity confirmed
Accessories: instruction manual, connection cord
Main specifications: static balance one-point cross suspension type, effective length 229 mm, applicable cartridge weight 4 to 12 mm
The disposal price has been reduced. Member discounts are not applicable. 2024/5/19 sales price 578,000 yen Mount an SME Series V to a Michell Engineering belt drive analog player. First of all, I'm fascinated by this visual! Even though it's progressive, the design feels somewhat calm. The mechanism uses a floating 3-point support suspension and high-precision ball bearings that enable pinpoint contact to prevent vibration. In terms of sound quality, the precision that comes from SeriesV's tracing skills are well combined with a stable sound field expression with a good sense of connection. In addition to white rust on the exterior and arms, you can also see a feeling of use such as dullness, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.5.17 Operation confirmed (rotation is slightly faster)
Accessories: instruction manual, original box, SeriesV instruction manual, original box
Main specifications: SME SerirSV: tapered magnesium arm, dynamic balance type, effective length 233.2 mm, needle pressure range 0 to 3 g, gyrodec: belt drive, 33/45 rotation compatible, W535 x H185 x D410 mm, 15.5 kg
Maintained. The grain of the sound is clear and the smoothness of the connection has also been improved. This is a 1200 Hz crossover network ideal for the combination of a 38 cm woofer and 1 inch driver. The exterior has dullness and scratches due to use over time, serial 18254 18275 (Asaine Satoshi Law)
Maintenance Information: 2024.4.16 Maintained (Screws, Insulated Washer Parts Replacement Switch Contact Cleaning)
Accessories: none
Key Specifications: Crossover 1200 Hz 8 Ohm 3 Position Switch with Level Control
Comes with a 2447 special horn! A coherent wave structure is used for the phase plug. It is designed so that the phase plug can be connected directly to the horn throat. A titanium diaphragm is used. You can see the exterior, dullness, dirt, abrasions, etc. and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.24 Operation confirmed
Accessories: stand
Main specifications: Throat diameter 3.8 cm 16 ohms Frequency characteristics: 500 Hz to 20 kHz
Maintained on 2015.6.11. The graininess of the sound has been clarified, and the smoothness of the connection has also been improved. It is a crossover 1200 Hz network ideal for the combination of a 38 cm woofer and 1 inch driver. The exterior has paint peeling and stains. Serial 9858/9958 (Miura Kimiya)
Maintenance Information: 2015.6.11 Maintained (terminal polishing, cleaning, insulation bush mounting screw replacement. ATT cleaning. Input/output waveform and balance check, sound output check. (Frequency characteristic measurement check)
Accessories: no accessories
Key Specifications: Crossover 1200Hz 8Ω 3-Position Switch with Level Control
Maintained! The popular crossover 500 Hz. Please use it with the JBL2440/2441 driver. There is a sense of extrusion and granularity, and the connection to high frequencies is also natural. You can enjoy stretchy low frequencies and tense high frequencies. It is essential for constructing large systems centered around 38cm units (Sasaki Shota)
Maintenance information: 2024.5.4 Maintained (12 terminal terminal mounting screws replaced, 24 insulating bushings replaced. Terminal area cleaning. Attenuator SW contact cleaning. Crossover 500Hz check OK)
Accessories: none
Main specifications: crossover 500 Hz network impedance 12 to 16 ohms high frequency level control 6/8/10 dB W121 x H153 x D130 mm 1.9 kg
*Currently sold. JBL/UREI professional power amplifier Dynamic sound with clear contours and momentum. The driving power that makes it easy to drive even large speakers at a high volume is attractive. It can also be used as mono power by connecting to a bridge. There are conspicuous abrasions on the exterior and top plate, and a feeling of use such as dullness and scratches can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.5.19 Operation confirmed
Accessories: none
Main specifications: 150W+150W (8Ω) 300W+300W (4Ω) input 2 systems (phone/XLR) W483 x H180 x D260 mm approx. 20 kg
All 6 woofers and midrange edges have been replaced! A European-designed tall boy speaker that drastically changed the image of JBL. The combination of gentle treble and unobtrusive low frequencies is truly European modern. It's a great speaker for listening to female vocals and small-group classical music. There are dents, line marks, etc. on the top plate and sides (Oikawa Tetsuji)
Maintenance information: 2024.5.15 maintained (2108H edge replacement and disconnection repair, 2105 edge replacement)
Accessories: jumper plate
Key Specifications: 3 Way 4 Speaker Crossover 300Hz/3KHz 91dB 6Ω W273 × H1130 × D342 mm 25.0 kg
The price has been reduced. 2024/4/24 sales price 69,800 yen ※Since the digital input circuit module cannot be repaired, the digital input cannot be used. Maintained! Kenwood pre-main amplifier. It plays clear, transparent mid-high frequencies and low frequencies with a firm sense of power typical of Kenwood in a well-balanced manner. There is an air cap mark on the top of the front panel. (KOBAYASHI Hitoshi)
Maintenance information: 2024.4.24 Maintained (input board connector correction, switch correction, contact correction, operation confirmation) 2023.5.21 Maintained (display lamp replacement. Switch and volume contact correction. (*The digital circuit module is broken, but the digital input cannot be used because it is not available)
Accessories: none
Main specifications: 150W+150W (8Ω) phonomC/mm mounted damping factor 1000 W 476 x H170 x D424 mm 19.7 kg
Currently sold. The tuner's auto tuning is not working, but the current situation is. This K series CD/USB receiver is compatible with playback of iPods/iPhones, USB memory devices, etc. This is a flat, unobtrusive amplifier with a straightforward sound. It can also be connected to a PC and is recommended for those who want to get started with desktop audio. Appearance, dullness, small scratches, and a feeling of use can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.5.19 operation confirmed (tuner auto tuning not working, other operations confirmed)
Accessories: remote control, power cord
Main specifications: 50W+50W W245 x H104 x D309 mm weight 5.7 kg
The price has been reduced! 2024/5/16 sales price 35,000 yen This is a headphone amplifier with separate power supply with preamp function. Genuine Naspec It is compatible with most commercially available headphones, and high sound quality playback is possible even with inner-earphones or authentic stereo headphones. There are small scratches and dullness on the exterior. Serial KRHQ1200069/KRHQP120069 (Yonejima Satoshi)
Maintenance information: 2024.5.16 Operation confirmed
Accessories: power cord, connection cord
Main Specifications: Dynamic Range 110dB SNR 115dB Output Impedance 8Ω Body: W185 x D175 x 53mm 1.0 kg Power Supply Unit: H185 x D150 x H53 mm 1.7 kg
The A3500 vacuum tube power amplifier has been refreshed by thorough maintenance down to the smallest details, such as volume disassembly and polishing. The warm, fresh tone, filled with the appeal of a vacuum tube type, is still appealing enough today. You can enjoy music with a rich, thick tone that contrasts with the clicking tones of recent vacuum tube amplifiers. As for the exterior, paint deterioration and peeling can be seen on the transformer on one side, and there is a feeling of use such as dullness, small scratches, etc., and there is a dent in the hood. ※3-pole tube connection specification. 20W+20W (actual measurement) is output as specified by the manufacturer (Takasaki Atsushi)
Maintenance information: 2023.2.3 maintained (main tube (6CA7) replacement vacuum tube socket, block capacitor, electrolytic capacitor, oil capacitor, SP and RCA terminals, complete disassembly of semi-fixed VR replacement power input gain volume, contact polishing, anti-oxidation/sulfation grease coating load test (8Ω load 1kHz 20W+20W) input/output waveform confirmation sound output check performed)
Accessories: copy of the manual
Main specifications: 20W+20W (8Ω) vacuum tube 6CA7×4/6AQ8×3 W465×H168×D206mm 16kg
An affordable Lax interconnect cable with attention to detail, such as each core structure that makes the hot and cold of the 1.0 m RCA cable transmission line the same, and a core wire wrapped in Japanese paper. It is characterized by its moderate thickness and good S/N. (YONEJIMA Satoshi)
Maintenance information: 2024.4.7 continuity confirmed
Accessories: No accessories
A line selector that can be easily switched with an RCA connection. It can also be used for 4 input systems, 1 output system or 1 reverse input system, and 4 output systems, making it convenient to switch between multiple amplifiers and sources. There is a feeling of use on the exterior, such as minor corrosion and dullness (Kanai Hidetsugu)
Maintenance information: 2024.5.21 continuity confirmed
Accessories: none
Main specifications: 1 system/4 system input/output W160 x H65 x D95 mm 530 g