Currently sold. This model was born as an improved model of the DS-500. The rich sound and atmosphere of the mid-range is impressive, and it is a 2-way speaker that makes vocals and strings sound beautifully. There are stains on the exterior and corn, and a feeling of use can be seen, such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.3.17 Operation confirmed
Accessories: saran net
Main specifications: 2 way 2 speakers, sealed, anti-magnetic design, size W230 x H401 x D242 mm, weight 10.0 kg
Mid and woofer edges have been softened, and the exterior has been easily maintained. A popular 4-way speaker for the night before the bubble period. The sound quality, which is orthodox and full of scale regardless of genre, is attractive. The original sense of scale has been restored by edge softening treatment. There is a scratch on the back corner, and part of the plastic part of the R side speaker terminal is missing (Oikawa Tetsuji)
Maintenance Information: 2026.3.15 Maintained (woofer, mid-range edge softening treatment, simple exterior maintenance)
Accessories: instruction manual
Main specifications: 4 way 4 speaker unit, 32 cm cone type for low range, 16 cm cone type, 4 cm dome type for medium to high range, 2.3 cm dome type impedance for high range, 6 Ω, playback frequency band, 28 Hz to 40 kHz, sound pressure level 90 dB, W420 x H720 x D425 mm, 41.3 kg
The price has been reduced. 2026/3/9 sales price 8,000 yen. Diamond tone wooden speaker stand In addition to the normal setting, it is possible to change the angle by reversing the top and bottom. Fits mid-size speakers such as DS-77 and DS-1000. There is a feeling of use such as scratches and rust on the screws (Kanai Hidetsugu)
Accessories: none
Main specifications: W330 x H200 x D320 mm weight 3.4 kg
*Currently sold. 8 inch dia-tone woofer How about someone who is a self-made artist? The gasket is stuck (Oikawa Tetsuji)
Maintenance information: 2026.3.11 operation confirmed
Accessories: none
Main specifications: 6 ohms diameter 220 mm x H110 mm 2.3 kg (actual measurement)
The price has been reduced. 2026/3/2 sales price 16,800 yen Woofer edge softening treatment! This is a diatone bookshelf type 2-way speaker. It is a system where you can enjoy ballad-like pop music and relaxed jazz with a calm exterior and a moist tone. The exterior is smudged, scratched, broken in the saran net, and there is a feeling of use (Asaine Tomoho)
Maintenance information: 2026.3.2 sound output confirmed (woofer edge softening treatment)
Accessories: saran net
Main specifications: 2 way 2 speakers, bass reflex system, anti-magnetic type, 6 ohms, 45 Hz to 30000 Hz, 87 dB size, W200 x H385 x D286 mm, 8 kg
※Inexpensive because it is only 1 bottle. Speaker stand for the DS-77Z. It is well-built and has a sense of stability, and if it is about the same size, it can be set without difficulty regardless of the manufacturer. The position of the cork cushion is misaligned (Oikawa Tetsuji)
Accessories: none
Main specifications: W410 x H264 x D330 mm 10 kg/1 unit