Full maintenance has been completed, including replacement of deteriorated vacuum tubes and capacitors! The original MC275 is the pinnacle of Macintosh tube amplifiers. A famous historical machine that intensely entertains music with its velvety luster and strong tone. Instead of resolution or wide range, the rich sound that makes you feel a sense of life is truly the Macintosh sound itself. ※The hood is not included. On the exterior, transformer scratches, oxidation, etc. are conspicuous. (YONEJIMA Satoshi)
Maintenance information: 2025.9.9 maintained (vacuum tube KT88 and vacuum tube 12AZ7 deterioration replacement/oil capacitor 0.22 μf, etc., DC leak replacement, 6 DC leak replacement, 12 μF electrolytic capacitor, 12 μF domestic product replacement, block capacitor 100/30 μf deterioration replacement/AC cord deterioration exchange/resistance 2W, 1w,1/2 w deterioration replacement · 7 vacuum tube 12AX7 ham noise replacement/RCA jack deterioration replacement 2 pieces · vacuum tube socket caulking repair . Other operation checked (measured at 66 to 95 W SP: 8 Ω with rated output AC 100 to 117 V)
Accessories: No accessories
Main specifications: 75W+75W (in stereo) 150W (in mono) vacuum tube/12AX7 x 2, 12AX7 x 1, KT88 x 4, 12AU7 x 2, 12AT7 x 2 frequency band 16 Hz to 60 kHz input sensitivity 0.5 V input impedance 250 kΩ dimensions W311 x H203 x D438 mm weight 30.4 kg
A belt-drive analog player that uses a detachable arm base with interchangeable tonearms. Strong and accurate mechatronics that harmonize the aluminum plate with a high-quality hairline finish and the wood panel create a warm and soft tone unique to analog. The exterior has small scratches and a feeling of use such as dullness. Serial H803J0547 (Jun Tamai)
Maintenance information: 2025.9.9 sound output confirmed
Accessories: instruction manual, power cable, original box, shell
Main specifications: belt drive arm static balance, S-shaped effective length 229 mm compatible cartridge dead weight 4 to 12 g (17 to 25 g including headshell) W492 x H195 x D407 mm weight 25.4 kg
Tubular premain amplifier using GE 6L6GC as output tube. It is a vacuum tube amplifier that excels at fine expression and has a beautiful tone unique to Uesugi. There is a slight feeling of use such as dullness. Serial 13 (Yamato Yuki)
Maintenance information: 2025.9.8 operation confirmed
Accessories: none
Main specifications: 6L6GC x 4 · ECC83 x 2 · 6189 W x 2 20W + 20W (4 · 8 · 16 ohms) W320 x H203 x D328 mm 20 kg
0.7 m pair of RCA cables are standard BELDEN cables. It is a cable that clearly outlines the sound. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2025.9.9 continuity confirmed
Accessories: No accessories
The RCA cable uses a 1.0m pair of 8N conductors, double shielded, and denser insulation and compression twists. It is a high cost performance cable with a realistic sense of attack. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2025.9.9 continuity confirmed
Accessories: No accessories
The 7.2m speaker cable is one of Monster Cable's representative works that uses an unprocessed time correction structure at the end, and is quite thick with a conductor system of 3 mm. It is a cable that easily produces a sense of volume of bass and has a smooth tone. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2025.9.9 continuity confirmed
Accessories: No accessories
*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. You can easily enjoy the simple 2.1 channel. The exterior is dull and has scratches. Serial 021725962160980AC (Yonejima Satoshi)
Maintenance information: 2025.9.9 sweep check is good
Accessories: connection cord
Main specifications: rated input 100W impedance 6Ω satellite speaker 6.0cm driver x 2 anti-magnetic type W78 x H157 x D104 mm 1.1 kg subwoofer 13 cm drivers x 2 W485 x H358 x D192 mm 9.1 kg
RCA cable, 1.0 m pair, 3-core blade structure, uses high-purity copper. Although it is a model positioned as an introductory grade, you can enjoy the dynamism and stretch of sound typical of Kimber. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2025.9.9 continuity confirmed
Accessories: No accessories
It is a model that includes the ear speaker part Lambda Nova CLASSIC and the driver unit part SRM-3. After all, STAX is just an ear speaker, so I have the impression that it has jumped far beyond the realm of headphones. As for the exterior, there are scratches scattered on the top plate of the main body, and there is overall dullness due to use over time. Serial M01450 (Tomonori Asaine)
Maintenance information: 2025.9.9 sound output confirmed
Accessories: power cable
Main specifications: SR Lamba Nova CLASSIC playback frequency band 7-41,000 Hz sound pressure sensitivity 100 dB 6 core parallel low capacity cable 2.5 m weight 440 g SRM-3 frequency characteristics DC-32 kHz size W150 x H87 x D370 weight 2.9 kg
Speaker cable 1.0m pair terminal 4 pin (for 2S-305) - banana Although it is in the low price range, X-TUBE is used, and the conductor is formed into a tube with a hollow center in order to uniformly transmit the transmission rate of high-frequency audio signals. The exterior has a feeling of use such as dullness (Tomoho Asaine)
Maintenance information: 2025.9.9 continuity confirmed
Accessories: none
Stax's standard headphone stand is a stand that has been manufactured for a long time, and is a highly casual stand made of wood and acrylic materials. There is a feeling of use on the exterior such as small scratches and dullness (Asaine Tomoho)
Accessories: none
Main specifications: bottom surface: 100 x 100 mm; height: 275 mm; weight: approx. 0.4 kg
Only one bottle is sold. Maintained! JBL's masterpiece 2 inch screwdriver. You can enjoy the rich sound built into a number of famous devices. In particular, the sense of energy and density in the midrange is excellent, and the vocals are sensual. The treble that stretches without impacting your ears is also attractive. Serial 28236 (Yamato Yuki)
Maintenance Information: 2025.8.25 Maintained Vibrating Plate Mounting Adjustment Pad Dampener and Mounting Screws Replacement Dispensing Terminal Contact Part Cleaning Terminal Ultrasonic Cleaning Insulating Bushing Replacement Vibrating Plate Dirt Cleaning
DCR (28236 7.8ohm vibrating plate with scratches)
Accessories: none
Main specifications: 2 inch driver frequency band 500 Hz to 10 kHz crossover 500 Hz or higher sound pressure level 108 dB impedance 16 ohms (measured 24342/9.2 ohms, 26006/9.0 ohms) diameter 180 x depth 130 mm weight 11.8 kg/bottle
A ceiling hanging bracket that can be used with BOSE's 100 series, etc. Comes with a safety wire to prevent falling. The installation surface can be rotated 360°. The exterior has a feeling of use over time, such as dullness and small scratches. The famous plate on one side is peeling off (Tomonori Asae)
Accessories: none
Main specifications: W100 x H170 (straight out) x D100 mm Speaker mounting part W85 x D40 mm (main body mounting screw pitch 60 mm)
Currently sold. The classic 101 mm small speaker. The sound, which has been compiled in one small full-range shot, makes all kinds of popular music sound cheerfully. The exterior has dullness, abrasions, etc. Serial 7030979/7030980 (Asaine Tomoho)
Maintenance information: 2025.9.9 sweep test is good
Accessories: saran net
Main specifications: 1 way 1 speaker impedance 6Ω maximum input 150W output sound pressure level 86db W232 × H154 × D172 mm 2 kg
※Inexpensive because there are many stains and fine stains. No mounting pins wall-mounted acoustic panel The pyramid-like uneven design and large and small holes control the diffusion and absorption of high and low sounds in a well-balanced manner, creating a natural and spacious sound field. You can see a feeling of use on the exterior, dullness, stains, yellowing, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: 600 x 600 x 125 mm thick 1.5 kg
※Inexpensive because there are many stains and fine stains. No mounting pins wall-mounted acoustic panel The pyramid-like uneven design and large and small holes control the diffusion and absorption of high and low sounds in a well-balanced manner, creating a natural and spacious sound field. You can see a feeling of use on the exterior, dullness, stains, yellowing, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: 600 x 600 x 125 mm thick 1.5 kg
Set of 4 While inheriting the best-selling model TU-1000, this Harmonix insulator has further extreme tuning effects and convenience. You can see a feeling of use, such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: cherry wood W50 x H33 mm 378 g
Set of 4 Ebony-metal hybrid construction The impression is that fine sound loss, nuance, and range expansion have increased, and the sense of volume and expressiveness have improved. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Accessories: original box
Main specifications: W50mm×H33mm
3 pieces per pair Standard model of a prop type insulator with an integrated spike and saucer structure. There is a sense of spaciousness and depth in the clear sound field space. Recommended for those seeking to reproduce a stereoscopic sound field. You can see a feeling of use such as appearance, dullness, darkening, etc. (Kobayashi Hitoshi)
Accessories: original box
Main specifications: diameter 39 x height 32 mm weight 268 g/piece load capacity within 15 kg/piece
※Inexpensive because model printing disappears. 3 pieces per pair Standard model of a prop type insulator with an integrated spike and saucer structure. There is a sense of spaciousness and depth in the clear sound field space. Recommended for those seeking to reproduce a stereoscopic sound field. You can see a feeling of use such as appearance, dullness, darkening, etc. (Kobayashi Hitoshi)
Accessories: original box
Main specifications: diameter 39 x height 32 mm weight 268 g/piece load capacity within 15 kg/piece
Unopened item. Brass machined - This is a speaker terminal made of pure copper. If you are a self-made person, please try it (Kobayashi Hitoshi)
Accessories: original bag
Set of 8 No adhesive sheets. Quartz resonators, set of 8, can be attached to audio devices, listening rooms, musical instruments, etc., to effectively suppress vibrations (Kobayashi Hitoshi)
Accessories: none
Set of 2 It has damping and stabilizing effects, and improvements in reverberation sounds such as vocals can also be felt. You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: load capacity: approx. 100 kg
Set of 2 It has high rigidity and high stability, and can also be used for heavyweight components. I have the impression that it leads to sound separation, interruption, and improved quietness. You can see a feeling of use, such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: Load capacity: approx. 100 kg per piece (compatible with a total of 400 kg when using 4 pieces) Outer dimensions: 53 x 53 x 10 mm
※The original box is cheap because of sunburn. USB cable 0.3 m uses PCOCC‑A conductors (high-purity oxygen-free copper) for both the signal section and power supply section, and the power line is relatively thick at 0.37 SQ, making it possible to supply stable power. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Accessories: original box
USB cable 0.3 m uses PCOCC‑A conductors (high-purity oxygen-free copper) for both the signal section and power supply section, and the power line is relatively thick at 0.37 SQ, making it possible to supply stable power. The appearance is good with little feeling of use (Kobayashi Hitoshi)
Accessories: original box
Set of 8 No adhesive sheets. Quartz resonators, set of 8, can be attached to audio devices, listening rooms, musical instruments, etc., to effectively suppress vibrations. There are 2 different colors (Kobayashi Hitoshi)
Accessories: none
Set of 8 No adhesive sheets. Quartz resonators, set of 8, can be attached to audio devices, listening rooms, musical instruments, etc., to effectively suppress vibrations (Kobayashi Hitoshi)
Accessories: none
Set of 8 No adhesive sheets. Quartz resonators, set of 8, can be attached to audio devices, listening rooms, musical instruments, etc., to effectively suppress vibrations (Kobayashi Hitoshi)
Accessories: none
It is a device that has electromagnetic waves generated from a unique printed coil and circuit, counteracts harmful electromagnetic waves generated from audio equipment transformers, and improves sound quality by improving SN/sound image localization. To use it, simply turn on the switch and place it under the power transformer section or output transformer part of the device being used. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Accessories: instruction manual, original box
Main specifications: W80 x D105 x H14 mm approx. 70 g