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Is this US$250 asking price a genuine bargain for a working dispersion compensating module, or just a fair shot at a niche fiber component? Based strictly on your database of four recent USD listings, the median is US$211, the 25th percentile is US$157, and the 75th percentile is US$250; this US$250 listing sits exactly at the 75th percentile, making it ambitious but not outrageous for a unit in unknown condition. It is not a bargain, but it is a fair-to-high price for a specific YOSC DCM-SM-C100%-010-LCP-01 module with a known dispersion value of -161ps/nm.
This module is a critical tool for compensating chromatic dispersion in G.652 fiber systems, ensuring signal integrity over long C-band distances, which makes it valuable for telecom engineers or serious fiber hobbyists. The upside here is the precise, documented dispersion value (-161ps/nm), which is rare to find in used listings and eliminates guesswork for system tuning. Since the price is at the 75th percentile and condition is unknown, the main caveat is verifying the unit is functional before committing; if it works, it’s a solid buy for a specialized application, but if it’s dead, the value drops sharply.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
DCM Loudspeakers is an American speaker brand that traces back to Ann Arbor, Michigan, and is closely associated with founder Steve Eberbach. The name became known in the late 1970s and early 1980s through the original DCM company and its distinctive Time Window loudspeakers, which helped establish its reputation for unusually smooth, spacious sound.
DCM’s core focus has always been speakers, not a full-line electronics business. The brand is best known for floorstanding and bookshelf loudspeakers, especially the Time Window family and related vintage models; it is not primarily identified with amplifiers, turntables, DACs, headphones, or cables.
In the market, DCM sits more as a vintage-collector and value-oriented hi-fi name than a current high-end luxury brand. Its strongest reputation comes from older designs that are still admired for imaging and musicality, and today the brand has a niche appeal among buyers looking for classic American speaker engineering rather than mainstream mass-market audio.
See all DCM Loudspeakers listings on RADAR.
