The disposal price has been reduced. Member discounts are not applicable. 2025/12/1 sales price 65,000 yen It is clear and features tight bass and clear treble ranges, so you can enjoy it regardless of genre. Also, since it sounds well even with an amplifier without power, it is a highly versatile speaker. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.30 Operation confirmed
Accessories: instruction manual, original box, saran net
Main specifications: 2 way 2 speakers playback frequency range 39Hz-50kHz 86dB impedance 4Ω crossover 3000 Hz W190 × H359 × D354 mm 8.7 kg
The price has been drastically reduced. 2025/12/9 sales price 69,800 yen. TOPPING's power amplifier is tuned for extremely clear and accurate sound. You can enjoy it regardless of genre. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.9 operation confirmed
Accessories: instruction manual, original box, jumper cable, AC adapter
Main specifications: stereo: 4Ω/120W 8Ω/66W mono: 4Ω/180W 8Ω/220W W220 x H90 x D205 mm approx. 3 kg (actual measurement)
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
*Currently sold. A speaker that uses a soft dome tweeter to reproduce glossy high frequencies. In addition to modern high-frequency growth, it has a good balance that takes into account the ease of listening typical of DENON, regardless of music genre. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.12 Operation confirmed
Accessories: none
Main specifications: 2-way 2-speaker bass reflex type anti-magnetic design (JEITA) 6Ω 86dB W145 x H233 x D234mm 3.8 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/12/6 sales price 348,000 yen ZAIKA's 300B single mono power amplifier. While increasing bandwidth, it has musical distortion characteristics centered around 300B's unique secondary distortion, and can be enjoyed regardless of genre with tuning that maximizes 300B likeness. The vocals are particularly good. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.6 operation confirmed
Accessories: none
Main specifications: 300B x 2 5U3C x 2 310A x 2 W230 x H210 x D400 mm 13.5 kg (actual measurement)
*Currently sold. Remote control is missing. It has a high signal-to-noise ratio and low THD value, and you can enjoy clear sound quality with little noise regardless of genre. In addition to paint peeling on the exterior and inside of the tray, you can see a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.9.16 Operation confirmed
Accessories: power cable
Main specifications: frequency characteristics 2 Hz to 20 kHz dynamic range 100 dB or more (EIAJ) S/N ratio 120 dB or more (EIAJ) headphone output level maximum 15 mw/32 Ω (variable) dimensions W430 x H114 x D290 mm weight 4.0 kg
Maintained. Denon's 80s pre-main amp. DENON of this era emphasizes the mid-range and neutral sound quality, so you won't get tired of listening, and the tuning regardless of genre makes a good impression. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kanai Hidetsugu)
Maintenance information: 2025.11.17 Maintained (panel switch and volume class disassembly contact polishing. I/O pin jack polish. Soldering correction for each circuit board)
Accessories: none
Main specifications: 105W+105W (8Ω) 125W+125W (6Ω) W434 × H139 × D414 mm 10.6 kg
Maintained. The mid-size α series uses an α-X balance circuit that prevents the effects of noise and distortion from the ground. The smooth, stretchy sound quality is attractive. Designed with CD playback in mind, the sound separation is good, and it is a classic premain that will keep you entertained regardless of genre. Overall, there is a feeling of use such as dullness. Serial 438045069 (Mizushima Itsuro)
Maintenance information: 2025.11.11 maintenance completed (main volume dismantling, cleaning, and fixing, switch disassembly and polishing (reckout tone subsonic muting, loudness source direct processor, MM/MC), output relay replacement, power amplifier transistor replacement, capacitor installation, other volume switch cleaning, interior and exterior inspection and cleaning, pin jack polishing, operation confirmation)
Accessories: copy of instruction manual
Main specifications: 90W+90W (8Ω) W448 x H160 x D441 mm 16.0 kg
The price has been reduced. 2025.11.3 sales price 39,800 yen The woofer has been softened. The successor to the 77 series, which was all the rage in the 1980s. It has an excellent range balance typical of Diatone, and is a versatile type that can be enjoyed regardless of preferences. The overall sound quality gives a tight impression, and it plays music with tight low frequencies and clear mid to high frequencies. There are dents on the grill, small scratches, dirt, and dullness throughout, and undulations on the top plate (Oikawa Tetsuji)
Maintenance Information: 2025.11.3 woofer softening treatment
Accessories: none
Main specifications: 3 way 3 speakers anti-magnetic design impedance 6Ω W400×H700×D330 mm 29.0 kg