hifilookup is part of a family of reference sites built on the same principle: identify, date and value your equipment from the marks the maker actually left — with the source named for every answer, and an honest refusal where nothing documents one.
Age a piano from its serial — brands, factories and the marks that carry the year.
Visit the site ↗Lookup siteDigital keyboards and stage pianos: specs, side-by-side comparisons, model history.
Visit the site ↗Lookup siteGuitar and bass amplifier dating: tube charts, EIA component codes, chassis stamps.
Visit the site ↗Lookup siteBrasswind serial dating — trumpet, trombone, horn: makers, ranges and values.
Visit the site ↗Lookup siteOrgan models and dating — from the theatre era to the home classics.
Visit the site ↗Lookup siteAccordion makers, models and years — the bellows-side of the family.
Visit the site ↗Lookup siteBlade marks, makers and values — what the steel tells about its age.
Visit the site ↗Lookup siteSewing machine dating, manuals and values — Singer and the rest.
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