For Sale: Hallicrafters SX-100 MK1. Recapped with orange drops. Filter electrolytic replaced. Aligned and necessary tubes replaced, Original manual. This is one of the nicest SX-100's I have ever seen or owned. Chassis is pristine, no typical corrosion. $325 shipped Continental U.S. Les Locklear Gulfport, MS. On the Gulf of Mexico Monitoring since 1957