This is a pre-main amplifier that allows you to enjoy everything from analog records to the latest high-resolution sound sources with high sound quality. The sound is clear and highly transparent, and it outputs music with a high sampling rate even more attractively. An independent dedicated board phono equalizer compatible with MM/MC is used. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.8 operation confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: rated output 4Ω/60W+60W 8Ω/30W+30W practical maximum output 90W+90W frequency characteristics 10Hz-100kHz W435 x H139 x D331 mm 9.2 kg
※The vertical stand is missing, and there are many small scratches, so it is cheap, and it is currently sold. Stand is missing. The company's first standalone USB-DAC and headphone amplifier that is also compatible with DSD. This product took out the USB-DAC part of the company's CD player DCD-1500RE and finished as a standalone unit. Not only does it play music, but it also effectively upgrades the sound of movies and games on a PC. In addition to the exterior and tape marks, you can also see a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.8 operation confirmed
Accessories: AC adapter
Main specifications: DSD signal sampling frequency 2.8224, 5.6448 MHz sampling frequency PCM signal 32, 44.1, 48, 64, 88.2, 96, 176.4, 192 kHz input terminal USB (TypeB) x 1, optical digital input x 2, coaxial digital input x 1 output terminal analog audio output (L/R) x 1, headphone output x 1 (6.3 mm stereo standard jack) dimensions W170 x H57 x D182 mm weight 1.5 kg
TEAC digital recorder. You can easily record in high resolution quality to an SD card or CF (compact flash) card. It is equipped with a wide variety of terminals, making it easy to connect to your own devices. I'm also happy that it is DSD compatible, and the quality of the recording is surprising considering the price. There is a slight feeling of use and small scratches on the exterior (Murakoshi Yoichi)
Maintenance information: 2024.6.8 simple recording, playback confirmed
Accessories: instruction manual, power cable
Main specifications: Compatible media SDHC card (4GB to 32GB), SCXC card (64GB to 256GB), CF card (1GB to 128GB), USB memory (2GB to 64GB) recording and playback format: PCM (sampling frequency 44.1k/48k/88.2k/96k/176.4k/192 kHz, data length 16 bits/24 bits), DSD (sampling frequency 2.8224m/5.6448MHz) W442×H56×D305mm 4.4 kg
Maintained! An eye-catching Lax pre-main amplifier with a unique indicator. It is a traditional lackstone, and the soft and warm mid-low range like a vacuum tube is attractive. The speakers, which have a solid sound quality, also play softly. There is a slight gap between the exterior and the BASS dial scale, and a feeling of use can be seen, such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.4 maintenance completed (14 deteriorated parts in each circuit replaced, switch and volume contacts corrected, input/output pin jack polished)
Accessories: none
Main specifications: 40W+40W (8Ω) W443 × H153 × D273 mm 9.3 kg
This model was the first to use an ALPHA processor in the best-selling 1650 series. The mid and low frequencies are quite stable, and the balance depicts rich, rich music regardless of genre. Stains are conspicuous on the exterior and front panel, and a feeling of use can be seen throughout, such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.5.31 Operation confirmed
Accessories: remote control
Main specifications: Real 20-bit 4DAC/Lambda Super Linear Converter with 20-bit 8x oversampling digital filter+GIC 3rd order analog filter frequency characteristics 2Hz to 20kHz W434 x H120 x D340 mm 10.2 kg
Manufacturer maintained, including traverse mechanism replacement! A long-selling model equipped with a USB-A terminal. Compared to other models in the same class, it is popular for its slightly thicker sound that is pleasant to listen to. Music files can be played directly by connecting to an iPod/iPhone, WMA, MP3, or USB memory with recorded files. There is slight dullness and a feeling of use (Murakoshi Yoichi)
Maintenance information: 2024.6.5 manufacturer maintenance (loading motor, loading belt, traverse mechanism replacement. (Inspection of each part, operation, sound test)
Accessories: remote control
Main specifications: audio output terminal/RCA x 1, headphone x 1, digital output/light x 1 W434 x H107 x D273 mm 4.1 kg
6550 push pull made by Sun Valley The design imitates Macintosh amplifiers of yesteryear. The sound design is bright, energetic, and supple, and has excellent sharpness that is more responsive than a normal transistor amplifier. There is dullness, dirt, small scratches, and dullness on the metal part of the power cord (Murakoshi Yoichi)
Maintenance information: 2024.6.7 sound output confirmed
Accessories: power cord
Main specifications: 6550 push-pull rated output 40W+40W using vacuum tube 6550, EL84 x 4 (SOVTEK), 12AX7EH x 2 (electro-harmonix) 4Ω/8Ω compatible W430 x D270 x H200 mm 18 kg
A popular model of electric voice equipped with a 46cm woofer. There are 4 bass reflex ports around the woofer, but that wasn't enough, and the midbass also has 1, creating a low frequency with good clarity. Coupled with a mild mid-range and thick high frequencies, it is a speaker that has the flexibility and richness of European sound while having a dynamic structure. Serial S111556 S112448 (Murakoshi Yoichi)
Maintenance information: 2022.6.23 maintained (exterior cleaning, scratching, dent repair, stain area touch up saran net simple cleaning)
2018.7.6 Maintained (Exterior Cleaning Touch Repair Saran Net Replacement Woofer, Mid and Edge Replacement Driver Magnetic Circuit Slit Cleaning Center Adjustment Diaphragm Cleaning Contact Cleaning Network Input Terminal Rust Removal Cleaning Reinforcement Screw Fastener Application BI-AMP Switching Plug Cleaning ATT (SW Type) Cleaning Input/Output Waveform and Balance Check, Sound Output Check frequency characteristics measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used for good results)
Accessories: saran net
Main specifications: 3-way 3-speaker bass reflex floor type woofer 46cm cone type scoker 30cm cone tweeter horn type crossover frequency frequency 250 Hz, 1.5 kHz playback frequency band 40 to 20000 Hz 6 Ω 95dB W64.2 x H119.3 x D45.0 cm 63.0 kg
*Currently sold. Denon's 755 series has excellent cost performance. Even in this price range, the sound quality is as bright and thick as Denon. Furthermore, it is equipped with a USB terminal, so it is possible to play back iPods and USB memory devices. You can see a feeling of use on the exterior, such as dullness and small scratches (Asaine Tomoho)
Maintenance information: 2024.6.8 operation confirmed
Accessories: remote control
Main specifications: frequency characteristics 2 Hz to 20 kHz W434 × H107 × D279 mm 4.2 kg
You can enjoy voluminous bass with highly efficient and heavy cone paper. It is also durable with a gathered edge, and is also recommended for backload and front load enclosures. There are small scratches etc. on the exterior. Serial 7413 10417 (Tomonori Asaine)
Maintenance information: 2024.6.8 operation confirmed
Accessories: none
Main specifications: rated input 150 W frequency characteristics 30 Hz to 2 kHz 16 ohms efficiency 96 dB crossover frequency 800 Hz recommended enclosure volume 170 to 225 liters depth 146 mm 7.5 kg
Hamilex (Hayami Industries) glass AV rack with casters. It is also ideal for installing a flat screen LCD TV. Clear glass 12mm thick, silver pole The exterior has a feeling of use such as dullness (Yamato Yuki)
Accessories: none
Main specifications: W1050 x H538 x D45 mm 40.2 kg (actual measurement) 220 mm below 160 mm between shelves, total load capacity approx. 120 kg
*Currently sold. A speaker that can be easily used for multiple purposes, such as for subsystems and AV. It has a gentle and elegant European taste that is more textured than the price. The exterior has a feeling of use such as dullness, small scratches, and partial tears in the saran net. Serial 4067104884 4067104884 (Asaine Tomoho)
Maintenance information: 2024.6.8 sound output confirmed
Accessories: saran net
Main specifications: 2-way 2-speaker bass reflex bookshelf type output sound pressure level 89dB impedance 6Ω dimensions W190 x H322 x D256 mm weight 5.2 kg
The price has been drastically reduced! 2024/6/4 sales price 320,000 yen The maintenance has been completed, but since corn paper repair marks remain, it is cheap. A cutting-edge unit installed in the high-end model K2 S9800. The unit alone is also highly evaluated, and it stretches flat to a very high range, and it is a dynamic sound. As for the exterior, there are repair marks and wrinkles on the corn paper. Serial 01522, 010034 (Fujisawa Yukishi)
Maintenance information: 2024.6.4 maintained (center cap replaced, part of the cone paper torn back side repair)
Accessories: No accessories
Main specifications: 15inch pure pulp cone woofer with Alnico 5DG magnet 8Ω 400W playback frequency band 20Hz to 2kHz minimum resonance frequency 26 Hz 94 dB recommended crossover frequency 800 Hz outer diameter 387 mm x depth 235 mm 18 kg
A cutting-edge unit installed in the high-end model K2 S9800. The unit alone is also highly evaluated, and it stretches flat to a very high range, and it is a dynamic sound. The exterior is good with no conspicuous scratches. Serial 01502, 010030 (Yonejima Satoshi)
Maintenance information: 2024.6.6 sweep test is good
Accessories: No accessories
Main specifications: 15inch pure pulp cone woofer with Alnico 5DG magnet 8Ω 400W playback frequency band 20Hz to 2kHz minimum resonance frequency 26 Hz 94 dB recommended crossover frequency 800 Hz outer diameter 387 mm x depth 235 mm 18 kg