The power cable has a 1.0m PSE and uses an unplated WATTGATE plug for the US A2D shielded power cable. It is a high cost performance cable. The appearance is good with little feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.11 Continuity confirmed
Accessories: none
The price has been reduced! 2024/4/5 sales price 500 yen The sound quality of only one 2.0m QED speaker cable feels thick and flexible throughout the entire range. You can use it regardless of genre. The exterior is good with no conspicuous scratches (Tomoho Asae)
Maintenance information: 2024.4.5 continuity confirmed
Accessories: none
Maintained. professional monitor amplifier It has strength unique to commercial use, and the driving power in the low range is truly remarkable. However, it also has a strong sense of temperature typical of a quad, so it is an amplifier that I would like people who are shunned when the sound is too straight for commercial use to try it once. There is a feeling of use such as a scuff on the top plate. Serial Q002959 (Mizushima Itsuro)
Maintenance information: 2024.2.15 maintenance (internal Tr, C, R check, output phase correction resistor, DC IN± bypass C, gain setting C, CDS replacement within the INPUT photocoupler. INPUT VOL CLEANING Output cable XLR cannon attached)
Accessories: copy of instruction manual, power cable, speaker cable
Main specifications: 100W+100W (8Ω) W483 × H88 × D310 mm 12.5 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/4/13 sales price 128,000 yen ※The PHONO board is for MC only (MM cannot be used). Maintained! It has an elegant and glossy tone, and although combinations with 405 are common, 606 etc. are also a good match. It has the natural texture of the acoustic sauce and the smooth tone that feels good against the skin. There are small scratches and paint peeling on the right side. Serial 24151 (Takasaki Atsushi)
Maintenance information: 2024.4.12 maintenance (main board ground point screw reprocessing, operation check) 2024.1.17 maintenance (replacement of coupling C, bypass C, etc. in each board, AC SW spark killer C replacement, INPUT switching analog SW through hole pattern re-soldering, power SW internal contact polishing ~ operation check)
2020.6.13 Maintained (balance VR, SW disassembly cleaning. Attach 1 kΩ resistors to both the left and right sides of the flat board. Replaced due to faulty IC. All flat and mother boards have been soldered again. (Check the input/output waveform, check the left and right balance, and perform a comprehensive operation test by connecting the power amplifier to confirm normal operation.)
Accessories: power cord, copy of manual
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4.0 kg
The price has been reduced! 2024/4/19 sales price 79,800 yen ※1 unit only. Maintained! It is originally a professional mono amplifier, but there is only 1 unit. You can feel the strong power of the sound quality even with just one unit. It seems to be useful for mono and center speakers. There are scratches and paint peeling on the exterior. Serial Q001769 (Fujisawa Yukishi)
Maintenance information: 2024.4.19 Maintained (XLR speaker cable created (3 meters)). Electrolytic capacitor replacement. ATT cleaning. Solder correction. Rubber feet added. Bias offset check. Output audio check. Input ① GND ② HOT ③ GND (unbalanced) output ① not used ② is set to plus ③ minus 8 Ω load. (Also, a pop sound is made when the power is on and off, but this is a specification)
Accessories: speaker cable, power cable
Main specifications: 8 ohms W482.6 x H88 x D320 mm weight 13 kg
※The wood cabinet is being repaired. Maintained! This is a full set that combines 33 QUAD original transistor preamps and 303 power amplifiers with tuner FM3. Comes with a wood case that allows 33 and FM3 to be built in parallel. The impression is that the natural atmosphere has definitely increased, and the glossy way it rides and the sound that goes through the core make you think it's a vacuum tube amplifier (Oikawa Tetsuji)
Maintenance information: 2024.5.4 maintained (internal check, power supply, filter C, HPX circuit C, etc., there are many differences in capacity → replacement f cover misalignment → readjust, tuning indicator lamp back change, DIN SP-RCA female cable damaged → created)
Accessories: power cable, connection cable (2 types: DIN-RCA and DIN-DIN types), copy of the instruction manual, FM coaxial connector
Main specifications: external dimensions W550 x H113 x D220 mm, weight approx. 7.0 kg (actual measurement) [33] 3 input/line systems, 1 phono system (MM) [FM3] tubular FM dedicated tuner with automatic stereo/mono switching
The disposal price has been reduced. Member prices are not applicable. 2024/1/18 sales price 118,000 yen Maintained! QUAD's first transistor preamp. The deep sound image and the impression that the natural atmosphere has definitely increased, and the glossy way it rides and the sound that goes through the core make you think it's a vacuum tube amplifier. Of course, it's a combination with the 303, and the sound doesn't feel out of place even when paired with a vacuum tube power amplifier. BAL knobs are worn out (Daiki Goto)
Maintenance information: 2024.1.18 Maintained (front push button contact failure → cleaning, PHONO/LINE in-board coupling capacitor replacement. AC spark killer capacitor broken → replaced, each VOL cleaned, power cable created)
Accessories: copy of instruction manual
Main specifications: external dimensions W550 x H110 x D220 mm, weight approx. 7.4 kg (actual measurement) [33] 3 input/line systems, 1 phono system (MM) [FM3] tubular FM dedicated tuner with automatic stereo/mono switching
The disposal price has been reduced. Member prices are not applicable. 2023/12/10 sales price 25,000 yen*Since the output terminal has been remodeled to an XLR terminal, it is inexpensive. It is a pretty niche product that uses 2 stereo amplifiers so that it can be used like a mono amplifier. Actually, it seems to be a product intended for use with the company's 405-2. There is a lot of dullness on the exterior due to aging (Fujisawa Yukishi)
Maintenance information: 2023.6.4 sound output confirmed
Accessories: none
Main specifications: W80xH47xD140mm approx. 1.0 kg/unit
Maintained! A classic British Quad stereo power amplifier. Small in size yet full torque. The sound, which is as deep as a tube amp, exudes an appeal that won't fade. The exterior has a feeling of use over time, such as dullness and small scratches. Serial 62226 (Yonejima Satoshi)
Maintenance Information: 2024.3.25 Maintained (INPUT DIN 4P replacement, internal Tr, C, R all checks. DIN4P-RCA female cable created. Operation check, pattern solder processing)
Accessories: power cable, connection cable
Main specifications: 45W+45W W120×H159×D324mm 8.2 kg
The price has been drastically reduced. 2024/3/2 sales price 99,800 yen Maintained! professional monitor amplifier It has strength unique to commercial use, and the driving power in the low range is truly remarkable. However, it also has a strong sense of temperature typical of a quad, so it is an amplifier that I would like people who are shunned when the sound is too straight for commercial use to try it once. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.3.2 maintained (internal dismantling all check, Tr, C, R check, ±B INPUT bypass C replacement, Tr, R, etc., all OK, INPUT photocoupler check, operation check)
Accessories: copy of instruction manual, power cord, dedicated SP cord (cable length 2.5 m)
Main specifications: 100W+100W (8Ω) W483 × H88 × D310 mm 12.5 kg
The disposal price has been reduced. Member prices are not applicable. 2024/3/21 sales price 128,000 yen Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior has a feeling of use appropriate for the model year, such as line scratches on the top plate, rubber footprints, and overall dullness (Mizusaki Ryo)
Maintenance information: 2024.3.21 maintained (internal Tn, C, R check, Tn OK, gain setting C, DC cut C, etc. → replacement, DINININPUT connector replacement, cable creation ~ operation check)
Accessories: power cord, connection cord, copy of instruction manual
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced! (Member discounts are not applicable) 2024/1/18 sales price 49,800 yen Maintained! An American-made amplifier from the 1970s that can hardly be seen today. Circuits for self-preservation, such as security, correction, and protection, have been cut off, and I think that handsome atmosphere is well reflected in the sound. It has the same feeling of use as the model year (Daiki Goto)
Maintenance information: 2024.1.18 Maintained (LED installation (original not available) poor power stage transistor deterioration, defective transistor in the board → replacement. Bias adjustment, operation check.)
Accessories: none
Main specifications: size (actual measurement) W406 x H155 x D327 mm weight (actual measurement) 12.2 kg
The disposal price has been reduced (member prices are not applicable). 2023/11/26 Sales price 128,000 yen Maintained in 2022/6! An eye-catching power amplifier with its black and large power meter typical of Sansui. It entertains me with its power, which can be felt from its appearance, and its supple, stretchy sound quality. The exterior has dullness, scratches, rust, etc. over time (Oikawa Tetsuji)
Maintenance information: 2022.6.23 Maintained (both channel volumes replaced. SP relay bad contact replacement. Replace protectors, deteriorated transistors, resistors, and diodes in meter boards. Replace deteriorated transistors and resistors in the power supply board. Replace deteriorated transistors and capacitors in the drive board. OUTPUT selector switch cleaning. (General adjustment)
Accessories: none
Main specifications: left and right independent 2 power supply diamond differential circuit effective output 110W+110W (8Ω) load impedance 4 to 16 ohms W482 x H187 x D450 mm 20.3 kg
The price has been reduced. 2024/4/15 sales price 35,000 yen It is a high-end masterpiece that has been loved by Sennheiser for a long time. As a studio monitor, it demonstrates its power without regret. It expresses delicate sound and clear space, and provides both vocals and performances with high resolution. There is a slight feeling of use on the earpads (Kanai Hidetsugu)
Maintenance information: 2024.4.15 sound output confirmed
Accessories: original box, instruction manual, cable
Main specifications: dynamic open air, 300 ohms, 103 dB, playback frequency band 10 to 39,500 Hz, cable length: 3.0 m, mass: approx. 260 g
The disposal price has been reduced! (Member discounts are not applicable) 2024/3/19 sales price 49,800 yen Maintained! Sony's highest-grade 5-channel varicon FM stereo tuner at the time. Equipped with a FET, the treble extension is excellent, and it also has the thickness unique to varicones. The retro and simple panel design is also attractive. There are dullness, small scratches, etc. appropriate for the model year. Serial 204747 (Tomoho Asaine)
Maintenance information: 2024.3.19 Maintained (power switch lever shaft repair. Adjustment of all items related to high frequency and MPX. The dial lighting and meter certification lamp were changed to LED. (Measures to prevent abnormal noise when the tuning dial is rotated, operation check)
Accessories: none
Main specifications: FM stereo tuner, reception frequency 76 MHz to 90 MHz, frequency characteristics, 20 Hz to 15 kHz, antenna terminal, 300 ohm balance, 75 ohm unbalance, W400 x H145 x D310 mm, 9.2 kg
The price has been reduced. 2024/5/2 sales price 99,800 yen SACD multi playback player. HDMI compatible A player with a core that looks like it was made by Sony and makes you feel that the range is wide. The high quality that can be relied upon as a playback device in everything is attractive. Equipped with a super audio D/A converter with a DSD filter+multi-level D/A converter system. There are line marks and dents on the exterior (Oikawa Tetsuji)
Maintenance information: 2024.5.1 operation confirmed
Accessories: remote control, power cable, copy of instruction manual
Main specifications: [during SACD playback] Playback frequency range 2 Hz to 100 kHz, frequency characteristics 2 Hz to 50 kHz (-3 dB), dynamic range 110 dB or more, total harmonic distortion ratio 0.0012% or less [during CD playback] frequency characteristics 2 Hz to 20 kHz, dynamical clean 100 dB or more, total harmonic distortion ratio 0.0017% or less L [digital output] HDMI x 1, optical x 1 (CD only) [analog output] XLR x 1 ・RCA x 1 W430 x H124 x D390 mm approx. 10.2 kg
Maintained! It comes with a rare hood! A single stereo power amplifier using a 2A3 output tube that made the Sun Audio name popular. You can enjoy the aftertaste of sound and air unique to vacuum tubes. It expresses vocals and string music in a sweet and glamorous manner. It is an affordable and well-built car (Murakoshi Yoichi)
Maintenance information: 2024.5.12 maintenance completed (first stage vacuum tube replacement on the left channel, volume washer, spring replacement, electrolytic capacitor deformation replacement, missing screw installation, excessive abrasive removal, vacuum tube pin cleaning, solder correction, bias check, ham balance adjustment, output check approx. 4W confirmation (currently 8Ω load setting))
Accessories: power cable
Main specifications: rated output 3.5W+3.5W vacuum tube 2A3 x 2 6H8C x 2 5U4G x 1 W360 x D210 x H190 mm 16 kg
A new standard model for the SL-1200 series, inheriting the efforts and results that began with the development of the SL-1200G. Outstanding reliability and stability are now available at an affordable price. I'm also happy that it is compatible with 78 revolutions. There is a thread on the dust cover on the exterior (Satoshi Yonejima)
Maintenance information: 2024.5.12 Operation confirmed.
Accessories: power cord, connection cord, EP adapter, weight sold separately, original box
Main Specifications: Direct Drive Turntable System Brushless DC Motor Speed 33 1/3, 45, 78 Universal S-shaped Tone Arm Static Balance Needle Pressure Adjustment Range 0 to 4 g Applicable Cartridge Weight/5.6 to 12.0 g, 14.3 to 20.7 g (including headshell) /when using auxiliary weight/10.0 to 16.4 g, 18.7 to 25.1 g (headshell included) W453 mm x H173 mm x D372 mm approx. 11.5 kg
The disposal price has been reduced! (Member price not applicable) 2024/4/28 sales price 178,000 yen A power amplifier with a sense of speed and sharpness unique to Threshold. The sense of volume in the mid to low range is also sufficient, and it makes you enjoy music with dense sound throughout the entire range. There are small scratches and dullness on the exterior. H8010186 (Fujisawa Yukishi)
Maintenance information: Maintained on 2013.10.6 (electrolytic capacitor volume replacement, circuit protector replacement. Replace the rubber foot and replace the input RCA jack. Bias and offset checks, maximum output checks, interior and exterior cleaning)
Accessories: power cord
Main specifications: 100W+100W (8Ω) W480 × H192 × D342 mm 24 kg
The 1.0 m pair series 7 RCA cable uses OCC Copper (high purity copper) with a purity of 99.9999% (6N) similar to Eclipse as the conductor, achieving higher resolution and wider range than the previous model. Cost performance has also been further improved (Mizushima Itsuro)
Maintenance information: 2024.5.11 continuity confirmed
Accessories: none
The disposal price has been reduced. Member prices are not applicable. 2023/9/11 sale price 10,000 yen rare item! It appears to be a promotional product of YST-SW1000L. The YST-SW1000L can be displayed in a cool way (Oikawa Tetsuji)
Accessories: none
Main specifications: W660 x H20 x D600 mm weight 4.2 kg (actual measurement)
Power cable 1.5m 2P-3P specification PSE standard product 6ncu+OFC new hybrid 2-core conductor Although it is the company's entry model, it is a long-selling power cable with low noise, stable sound, and high C/P (Tamura Eiji)
Maintenance information: 2024.4.30 continuity confirmed
Accessories: case
The disposal price has been reduced. Member discounts are not applicable. 2023/129/7 sales price 5,000 yen. 1 piece only. Phase plug for B&W 800 series. It is probably thought to be machined stainless steel, but details are unknown. How about for those looking for a center speaker such as HTM1 (Murakoshi Yoichi)
Accessories: none
Main specifications: 223g/1 piece
The disposal price has been reduced. Member discounts are not applicable. 2024/2/22 sales price 8,000 yen. Self-made cabinet for DENON DP-3000. The arm was attached to the company's DA-305. When the four-square screw is removed, it is divided into 3 plates, making it easy to perform processing such as drilling. There are scratches, fading, stains on the main body, cracks, repairs, fading, stains, and adhesive tape marks on the dust cover (Kanai Hidetsugu)
Accessories: dust cover
Main specifications: W600 x H112 (H202 with dust cover) x D500 mm 12.6 kg (actual measurement, dust cover included)