Cabinet restoration & mechanical repairs
Having restored a 738 Silver Marshall Short Wave Converter from ground up, and after enjoying shortwave listening with it, I decided to venture into the world of the shortwave converters.Some time, in October of 2007, I bought a Stewart-Warner 301-A shortwave converter that looked like the perfect subject for restoration. The converter looked like shown in photos: (Click images to... read more >>

R-113: introduction & cabinet restoration
Between 1931 and 1934 Stewart-Warner made at least four models of shortwave converters. All of which had the same basic design.The most important differences were:  a) The kind of tubes used.  b)The way the filaments were fed.  c) The kind of band switch used. The band switch used by the R-113 is by far superior to the one used by the 301-A, and... read more >>

KA-116: introduction & chassis
IntroductionIn late October 2009, while visiting short wave converter, I came across the description of the KA-116, russian made, short wave converter. The design of this converter intrigued me, and at the same time it remainded me of a USA made converter called "The Sumariner", which diagram and photo were published in the October 1931 issue of "Radio News". I... read more >>