The price has been drastically reduced. 2025/12/17 sales price 99,800 yen Maintained by the manufacturer! Line-only premain amplifier using EL34. The sharp sound of the EL34 tube is impressive. It has a glossy tone unique to tube amplifiers with a modern sense of range and good response. There is a slight dent on the front (Daiki Goto)
Maintenance information: 2025.12.17 Triode maintenance completed (JJ EL34 x 4 units were replaced, and various parts were inspected and maintained, including selector polishing.)
Accessories: manual, power cable
Main specifications: circuit type EL-34 ultra linear connection AB grade push-pull drive rated output 45W+45W (8Ω) SN-ratio 90dB vacuum tubes JJ EL34 x 4, 12AX7 x 1, 12AU7 x 2 speaker output terminals 6Ω/8Ω input 4 systems W330 x H150 x D315 mm 15 kg
Disposal price reduction. 2025/7/26 sales price 7,000 yen*Inexpensive because the scale for overhang adjustment is out of stock. Technics die-cast aluminum headshell (Daiki Goto)
Maintenance information: 2025.7.26 continuity confirmed
Accessories: none
Main specifications: 9.5g dead weight
The disposal price has been reduced. Member prices are not applicable. 2025/12/4 sales price 2,000 yen This is an MM cartridge used in Pioneer record players PL-12, PL-12E, PL-A20, etc. Straightforward sound quality with no peculiarities (Daiki Goto)
Maintenance information: 2025.12.4 operation confirmed
Accessories: none
Main specifications: mm type output voltage 5 mV needle pressure 2.5 to 3.5 g playback frequency band 15 Hz to 20 kHz dead weight 6.8 g
The disposal price has been reduced. Member prices are not applicable. 2025/11/21 Sales price 9,000 yen Current orthophone cartridge. 6mV high output! It boasts ultimate resistance to scratches, backspins, etc., and high followability (Daiki Goto)
Maintenance information: 2025.11.21 operation confirmed
Accessories: needle cover
Main specifications: 6 mV frequency characteristics 20 Hz to 20,000 Hz -2 dB/+4 dB recommended load capacity value 200-600 pF needle pressure 4 g dead weight 6.5 g
The disposal price has been reduced. Member prices are not applicable. 2025.10.23 Sales price 8,000 yen*Currently sold because it is cheap. Sony PA Speaker If you are looking for one, why not try it? There is stickiness in the cabinet (Daiki Goto)
Main specifications: W170 x H450 x D230 mm 6.4 kg (actual measurement)
The disposal price has been reduced. Member prices are not applicable. 2025/12/25 The unit sold at a sales price of 1,480,000 yen has been fully maintained, from the network to the exterior such as the saran net! The original TEAC box is equipped with an HPD385. I am overwhelmed by the majestic sense of scale and vivid sound image played by the backroad horn, which is responsible for the lowest range, and the front short horn, which expresses the mid to low range. It is a speaker with a supple and beautiful sound that cannot be obtained with modern TANNOY (Daiki Goto)
Maintenance information: 2025.12.25 Maintained (exterior repair/polishing/painting)
Front and rear baffle repair and painting. Saran net cleaning/repasting, frame repair. Unit maintenance: low frequency side edge softening treatment/magnetic circuit gap cleaning/center adjustment, fastener polishing, high frequency side magnetic circuit gap cleaning/center adjustment. Network maintenance: frequency characteristic check, ATT cleaning, faston terminal replacement, terminal cleaning. (Detachable unit)
Accessories: none
Main specifications: 2-way, 1 speaker, all-horn system, corner type usage unit, 15 inch (38 cm), HPD385 impedance 8 ohms, W1070 x H1530 x D660 mm, 78 kg/book
Detailed maintenance has been completed, such as cleaning each volume switch, replacing 6 capacitors, replacing 5 lamps, etc. A control amplifier representing the golden age of McKinn. Compared to the C28, I get the impression that the breadth and subtlety of the sound stands out. Even in this age, the rich, glossy tone is still alive and well, and vintage speakers play well (Daiki Goto)
Maintenance information: 2025.10.23 Maintained (each SW, VOL cleaning, lamp deterioration replacement. Auto on fuse disconnection → replacement, push button dismantling and cleaning, AC cord replacement, condenser liquid leak → replacement, pin jack cleaning, fuse holder damage → replacement, operation check (BASS, TREBLE can't take full pictures)
Accessories: manual
Main specifications: frequency characteristics 20 Hz to 20 kHz input terminals PHONO 1 · 2, AUX, TUNER, TAPE 1 · 2 W406 × H138 × D330 mm 8.6 kg
The price has been reduced. 2026/1/15 sales price 998,000 yen In addition to the driver magnetic circuit overhaul and network maintenance, the entire exterior has been completely overhauled with all paint applied! A theatrical speaker system representing Altec, famous as Voice of the Theater. Please experience the rich, lyrical sound. ※Originally, the enclosure is 828G, but the shape makes it likely to be 828H (Daiki Goto)
Maintenance information: 2026.1.15 Maintained (exterior repair/full painting. horn paint. Saran net replacement. Woofer terminal cleaning. Driver maintenance: magnetic circuit gap cleaning center adjustment, resonance repair, terminal cleaning. Network maintenance: frequency characteristics check, ATT cleaning, terminal cleaning. Unit detachment, new horn front stay installation process)
Accessories: none
Key Specifications: 2 Way Horn System Crossover 500Hz Horn 311-90 Driver 288-16K Woofer 515E Network N-500F-A W760 × H1375 × D610 mm Reference Weight 100 Kg/book
In addition to internal maintenance such as driver magnetic circuit gap cleaning, ATT disassembly and cleaning, etc., a new saran net has been manufactured, and all exterior paint has been completely overhauled! The original 4343 by All Alnico, the original 4343 of 4343! It is a speaker representing JBL, where the crisp low frequencies and punchy high frequencies are unbearable. Our maintenance brought back the dynamic sound typical of JBL! This is a monitor speaker that can play back the best when it comes to on-mic recording sound sources (Daiki Goto)
Maintenance information: 2026.1.15 Maintained (exterior repair/gray paint
Front and rear baffle repair/painting, new saran net created. Woofer maintenance: edge replacement/cone paper coating, terminal cleaning/screw replacement. Midmaintenance: edge replacement/cone paper coating, frame polishing, terminal cleaning/screw replacement. Driver maintenance: Magnetic circuit gap cleaning center adjustment, sound absorbing material replacement, terminal cleaning/screw replacement. Tweeter maintenance: magnetic circuit gap cleaning, terminal cleaning/screw replacement. Network maintenance: frequency characteristic check/switching SW/ATT cleaning, terminal cleaning/screw replacement. (Detachable unit)
Accessories: none
Main specifications: 4-way 4-speaker bass reflex type 2405/2420/2121/2231A crossover 300Hz/1250Hz/9500Hz 8Ω 93dB W635 x H1,051 x D435 mm 83.9 kg/book
The disposal price has been reduced. Member prices are not applicable. 2025/12/9 sales price 5,000 yen There are no operation issues, but since it is cheap, it is currently on sale. AKAI's small speaker. Details are unknown. If you are looking for one, why not try it? There are stains on the top plate and scratches all over (Daiki Goto)
Maintenance information: 2025.12.9 operation confirmed
Accessories: none
Main specifications: 2 way W140 x H225D x 130 mm weight 2.1 kg (actual measurement)
The disposal price has been reduced. Member prices are not applicable. 2025/10/23 sales price 5,000 yen Since it is a woofer only, it is cheap, and it is currently sold. It is a 2.1 channel speaker system that perfectly matches Bose's unique compact, high-performance speaker technology with bass reproduction technology (Daiki Goto)
Maintenance information: 2025.10.23 Operation confirmed
Accessories: none
Main specifications: rated input 100W impedance 6Ω subwoofer 13cm drivers x 2 W485 x H358 x D192 mm 9.1 kg
Kenis Corporation static electricity removal cleaner. It is a compact and lightweight device that is convenient for removing static electricity from powder samples that are susceptible to ionic static electricity (Daiki Goto)
Accessories: instruction manual
Arte record cleaning mat If you're looking for one, don't miss it. There is a feeling of use (Daiki Goto)
Accessories: none
Main specifications: W315 x D315 mm (actual measurement)
The disposal price has been reduced. Member prices are not applicable. 2025/12/27 Sales price 998,000 yen Exterior maintenance completed! York Minster has come back to life beautifully! This speaker uses a 30cm coaxial 2-way unit with an Alcomax-3 Alnico Magnet similar to the Westminster Royal, and features a large bass reflex port on the back. It has a sense of scale that exceeds its size, and the beautiful sound of a stringed instrument leaves an impression on me (Daiki Goto)
Maintenance information: 2025.12.25 Maintained (exterior maintenance: repair/polishing/painting other than front and rear, other cleaning)
Accessories: manual
Main specifications: 12 inch coaxial 2-way hard edge type bass reflex frequency characteristics 23 Hz to 22 kHz sound pressure level 94 dB impedance 8 ohms W 620 mm x H1080p x D447 mm weight 61.5 kg/book
Maintenance has been completed, including manufacturing a new dust cover, replacing the electrolytic capacitor, and replacing the tone arm bearing! Micro direct drive player. The arm is equipped with an MA-505, and although it is a compact housing, its ability comes with origami. The connection cable is detachable and can be replaced with a cable of your choice (Daiki Goto)
Maintenance information: 2026.1.8 Maintained (arm dismantling and cleaning. Bearing replacement. Replace 11 electrolytic capacitors with 20% capacity loss in the board. Speed adjustable VR cleaning. Clean the entire cabinet. (Inspection of each part, operation sound test)
Accessories: copy of the manual, connection cable
Main Specifications: Direct Drive Tone Arm/Dynamic Balance Type Effective Length 237 mm Compatible Cartridge Weight 4 to 16 g W497 x H154 x D385 mm Weight 11.5 kg
Unspecified tweeter baffle If you are a self-made artist, by all means (Daiki Goto)
Accessories: none
Main Specifications: Dimensions: W178 x H178 x D15 mm Hole Diameter: 94 mm Screw Pitch: 115 Weight: 300 g (actual measurement)
Unspecified tweeter baffle If you are a self-made artist, by all means (Daiki Goto)
Accessories: none
Main Specifications: Dimensions: W178 x H178 x D15 mm Hole Diameter: 105 mm Screw Pitch: 127 mm Weight: 300 g (actual measurement)
All panel switches and volumes have been maintained, including disassembly and contact polishing! You can use it comfortably. The famous aircraft of yesteryear has been revived. It is an amplifier that can be switched between A/B classes, so you can enjoy it according to your preferences. The clear, edgy sound is exhilarating (Daiki Goto)
Maintenance information: 2025.5.25 Maintained (all panel switches and volumes disassembled and polished. Replacing deteriorated transistors in the equalizer circuit. Transistors such as other preamp circuits, tone control circuits, and power supply circuits have been replaced due to previous repairs. I/O pin jack polish. Electric circuit DC adjustment, idling current adjustment.)
Accessories: copy of the manual
Main specifications: 15W+15W (A grade/8Ω) 75W+75W (B-grade/8Ω) W436 x H144 x D323 mm 15.5 kg
The internal parts have been thoroughly reviewed and brushed up! This is the famous MQ60 power amplifier with the main part of the SQ38F independent. The natural, smooth sound quality with a high sense of transparency is attractive. You can relax and enjoy classical music and vocals in a natural way. The deep sound quality that cannot be expressed with the latest vacuum tube amplifiers is exceptional. There is dullness (Daiki Goto)
Maintenance information: 2025.12.30 Maintained (all wiring from RCA terminal → VR → amplifier input replaced, running test)
2025.10.15 Maintained (vacuum tube (6267), vacuum tube socket, oil capacitor, electrolytic capacitor, film capacitor, RCA terminal, semi-fixed VR, spark killer, SP terminal, diode, micro SW, fuse replacement. Load test (8Ω load 1kHz 25W+25W), input/output waveform confirmation, sound output check performed.)
Accessories: copy of the manual
Main specifications: output 30W+30W dimensions W410 x H160 x D205 mm weight 13.8 kg
All stone boards with a mirror finish. Felt is attached to the back (Daiki Goto)
Accessories: none
Main specifications: W500 x H25 x D450 mm 17.4 kg/sheet
Disposal price reduction. Member prices are not applicable. 2025/9/20 sales price 30,000 yen*Only simple sound output can be tested; currently sold. Electro voice digital sound processor. If you're looking for one, don't miss it. Scratches are conspicuous (Daiki Goto)
Main specifications: W485 x H45 x 270 mm, weight 4 kg (actual measurement)
Disposal price reduction. Member prices are not applicable 2025/9/20 sales price 30,000 yen*Only simple sound output can be tested, and this is currently sold. Electro voice digital sound processor. If you're looking for one, don't miss it. Scratches are conspicuous (Daiki Goto)
Main specifications: W485 x H45 x 270 mm, weight 4 kg (actual measurement)
A staple record cleaner made in Nagaoka. It is a long-selling product that has been sold for over 50 years. Velvet is used for the contact surface with the record (Daiki Goto)
Accessories: original box
The disposal price has been reduced! (Member prices are not applicable) 2024/4/2 sales price 79,800 yen Maintenance has been completed! Pre-main amplifier with built-in DA converter. An amplifier that allows you to enjoy a gentle, expansive sound like Denon with analog input, and sound quality with a wide range with digital input. This amplifier can also be recommended as an amplifier to be combined with PC audio (Daiki Goto)
Maintenance information: 2024.2.21 maintained (function, recout, digital input, speaker, tape, loudness switch disassembly, polishing grease application, output relay replacement, bus volume replacement, solder repair, various volumes, switch cleaning, interior and exterior inspection and cleaning, digital input/output confirmation, operation confirmation. (*Since the bus volume is similar, the bus lifts slightly when the source is directly off)
Accessories: none
Main specifications: 110W+110W (8Ω) phono (MM/MC switching) 5 digital input systems (coaxial x 3/optical x 2) W434 x H180 x D420 mm 18 kg released in 1989 (Kojima Yosuke)
A record stabilizer that can be used properly with an LP/EP board on the front and back. An EP adapter can be attached (Daiki Goto)
Accessories: none
Main specifications: zinc alloy diameter 70×H35mm 710g
The disposal price has been reduced! (Member prices are not applicable) 2025/5/30 sales price 118,000 yen Maintained! This is QUAD's first transistor preamp. The luscious, shaded tone is British sound itself. If it's royal, I recommend combining it with the company's 303 power amplifier. There is a feeling of use over time (Daiki Goto)
Maintenance information: 2025.5.28 Maintained (power supply and PHONO/LINE board C all replaced. TONE/filter VOL replacement Other SW cleaning)
Accessories: copy of instruction manual, power cable, connection cable
Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg
The disposal price has been reduced. Member prices are not applicable. 2024/9/25 selling price 20,000 yen horn with unknown details. The diameter of the driver mounting hole is about 32 mm (actual measurement) (Oikawa Tetsuji)
Main specifications: W197 x H118 x D100 mm weight 380 g/1 bottle
The price has been reduced. 2025/10/22 sales price 45,000 yen Woofer edge softening treatment! 77HR walnut model with the most ornate design in the DS-77 series. It is a speaker that is more powerful in rock and pop music, and has a luster in jazz. It spreads slightly at the seams of the decorative board (Daiki Goto)
Maintenance information: 2025.10.22 operation confirmed
Accessories: none
Main specifications: 3 way 3 speakers sealed type 6 ohm 91 dB W380 x H679 x D325 mm 27 kg