Designed with a complete dual mono configuration from the power transformer. The pre and power are also independently configured. The high range is sparkling, and the mid and low frequencies are thick, making it a profound sound. The exterior has dullness, threads, and scratches on the front (Ryo Mizusaki)
Maintenance information: 2024.5.31 Maintained (The battery was replaced and the board pattern was corrected due to liquid leakage in the function memory battery. (Since the VR shaft is long, accuracy cannot be achieved, and stress is applied to the VR, so the extension shaft flexible joint Assy was replaced)
Accessories: remote control, instruction manual, power cord
Main specifications: effective output 85W+85W (8Ω) 170W+170W (4Ω) input: unbalanced (RCA) x 6 systems (1 system is PHONO: MM/MC compatible, 1 is TAPE) outer dimensions W440 mm x H95 mm x D400 mm weight 13 kg
The price has been reduced. 2024/5/23 sales price 79,800 yen Maintained in 2015. The 606 is thick and unimaginable from its compact exterior. The good sound unique to QUAD allows you to enjoy not only classical music, but also jazz vocals in a mild way. The high level of musicality that makes you enjoy the music with a pleasant tone stands out. There is deterioration in exterior paint (Murakoshi Yoichi)
Maintenance information: 2015.9.12 maintenance completed (internal power transfer → malt plane deterioration → dismantling and reinstallation, exchange of both channel in-board bypass C, gain setting C, etc., TR check → OK, operation inspection check)
Accessories: power cord
Main specifications: output 140W+140W (8Ω) W321×H140×D238mm 12kg
Fully overhauled on 2023/12/13! A JBL professional series speaker that combines the mid-high range of a biladial horn, which is characterized by wide directional characteristics, and a 38cm woofer with excellent low frequency reproduction. It is possible to combine high range stretchability while maintaining 2-way mid-range energy in response to professional field requests. You can enjoy a variety of music, mainly jazz, with excellent punching power that cannot be heard on current speakers. ※The notation on the terminal board has disappeared (Mizushima Itsuro)
Maintenance information: 2023.12.12 Maintained (exterior repair, polishing, oil finish, front and rear baffle, hakama, horn repair, painting. Saran net replacement. Woofer edge replacement/cone paper coating. Driver magnetic circuit gap cleaning, center adjustment, sound-absorbing material replacement, terminal cleaning. Network frequency characteristic check, ATT cleaning, terminal contact cleaning)
Accessories: saran net
Main specifications: 2 way bi-radial horn 2235H/2421A 93db W556 × H908 × D480 mm 79.5 kg
The price has been drastically reduced. 2024/5/17 sales price 24,800 yen. Q ACOUSTICS 2-WAY BOOKSHELF. Once the setting is decided, you can enjoy a variety of music genres with a sense of scale that makes you doubt the size. There are dents around the upper corner on one side, and there is slight dullness throughout (Murakoshi Yoichi)
Maintenance information: 2024.5.16 sound output confirmed
Accessories: saran net, rubber feet
Main specifications: 2 way 6Ω 88dB W170 × H260 × D226 mm 4,6 kg
This is PLATANUS MC type phono cartridge. The connection from deep bass to high frequencies is good, and the playback ability is delicate and has a sense of density. You can honestly feel the vivid, dynamic sounds, and even the performer's emotions, and the records you've listened to over and over again until now will play richer and more beautiful music. Magnetic circuits are precision machined and integrated from large chunks of pure iron to enhance rigidity so that vibration energy from the needle tip to the power generation coil is not damaged. The printing has disappeared, and there are small scratches on the body, but the needle tip is good (Sasaki Shota)
Maintenance information: 2024.6.3 operation confirmed
Accessories: original box, manual
Main specifications: Playback frequency 10 to 50,000 Hz impedance 2.5 ohms dead weight 16 g
The price has been reduced. 2024/5/29 sales price 44,800 yen This is an attractive quad bookshelf type speaker with a beautiful finish and rich musical expressiveness. The calm stringed instruments and highly textured piano expressions are suitable for classical music. The exterior has a broken dowel in the upper left corner of the saran net on one side, and dullness and a feeling of use can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.5.28 Operation confirmed
Accessories: saran net, jumper plate
Main specifications: 86dB 6Ω 45Hz to 28,000 kHz W190 × H310 × D243 mm Weight 6.3 kg
Currently sold. This is a self-made 10cm full-range 1-way speaker with unknown details. There is no problem with the sweep or music signal, but the current situation is because it is cheap. There are bond marks on the exterior and center cap, and a feeling of use can be seen, such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.3 sound output confirmed
Accessories: none
Main specifications: W120 x H200 x D122 mm 2.5 kg (actual measurement)
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 and color are different due to discoloration of the saran net, and overall a feeling of use such as dullness, abrasions, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.5.19 Operation confirmed
Accessories: none
Main specifications: 1 way 1 speaker impedance 6 ohms maximum input 150 W output sound pressure level 86 db W232 x H154 x D172 mm 2 kg
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. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.2 Operation confirmed
Accessories: saran net, instruction manual
Main specifications: 1 way 1 speaker impedance 6Ω maximum input 150W output sound pressure level 86db W232 × H154 × D172 mm 2 kg
Comes with a special bracket. 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 bumps, scratches, and dullness. Serial 9020409, 9020410 (Fujisawa Yukishi)
Maintenance information: 2024.5.3 operation confirmed
Accessories: special bracket, saran net
Main specifications: 1 way 1 speaker impedance 6 ohms maximum input 150 W output sound pressure level 86 db W232 x H154 x D172 mm 2 kg
*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 scratches, threads, and dullness. There is also a dent in the saran net. Serial 108023/089692 (Tamura Eiji)
Maintenance information: 2024.3.3 sweep check OK
Accessories: saran net
Main specifications: 1 way 1 speaker impedance 6 ohms maximum input 150 W output sound pressure level 86 db W232 x H154 x D172 mm 2 kg