- #VINTAGE TRANSISTOR RADIO REPAIR MANUALS#
- #VINTAGE TRANSISTOR RADIO REPAIR FULL#
- #VINTAGE TRANSISTOR RADIO REPAIR SERIES#
Stacks of batteries disappeared and radios went from being pieces of lab equipment with many controls to adjust independently to the format we've retained today. Radio's listening audience grew rapidly in the early days (Radio Retailing, March 1928 via "Radio Manufacturers of the 1920s" by Alan Douglas). It wasn't until widespread electrification of the United States and the development of tubes which could be heated with AC power instead of DC at the very tail end of the 1920s that radio exploded and achieved mass-market status. This ushered in the radio age, but it wasn't until about 20 years later that radio finally left the lab and made it to consumer's homes.Īn early radio with multiple controls the Barawick Five (Popular Mechanics, November 1926).Įven then, most radios still operated on stacks of expensive batteries which had to be replaced often to deliver the high voltages necessary to operate. The first practical vacuum tubes were invented in 1907 by Lee DeForest, who developed the "Audion" - the world's first triode capable of amplification. The flow of these electrons can then be controlled by charges placed on the tube's internal elements. Vacuum tubes operate on the principle of thermionic emission, where certain metals heated to white-hot in a vacuum will give off electrons.
#VINTAGE TRANSISTOR RADIO REPAIR FULL#
In this first article, I'll cover some tips for what to look for on your old radio to judge its condition, and do a full inspection of the internals to see what work will need to be done.
#VINTAGE TRANSISTOR RADIO REPAIR SERIES#
Over a series of articles, I'll be performing a full electrical restoration on a 1937 DeWald Model 618 vintage radio from start to finish: evaluating its condition, performing the restoration work, and aligning and verifying its performance after service is complete. We were still learning the engineering and physics underlying all this new technology.Ĭompeting standards emerged and fell by the wayside, and huge advances were made in the span of only a few years - not to mention some vicious patent wars - which all mean that no two radios are alike.Įven still, since radio was the only means of home entertainment for decades, there's plenty of service information out there to help you through the process, and there's nothing quite like the feeling of hearing a piece of history crackle back to life after a successful repair job. Even though they're ancient by today's standards, these old tube radios can almost always be brought back to life, and there's still plenty of broadcasts out there for them to receive! Not to mention, they just look so classy and have a presence few modern electronics can match.įixing up a vintage radio is a little different from fixing up many other types of gear, since the entire field of electronics had only just been invented when they were first made. Or, perhaps you've inherited your grandparent's precious tube console - now a family heirloom - that stood as the centerpiece of their living room for many years. Maybe you were digging around in the attic helping your parents downsize, and found their old wooden tube radio from many years ago stashed away. I collect, repair, refinish, restore, and sell tabletop, tombstone, and cathedral, radios from the mid-1930's through the mid-1950's.» Skip to the Extras It’s fun - and easy - to bring your vintage radio back to life! Sources for getting your antique radio fixed up just like new.Įverything the antique Philco radio collector and restorer needs. Speaker reconing for vintage and modern speakers. Servicing radios made in the 1930's, 40's and 50's. Antique Radio Repair and Speaker Reconing.We specialize in restoring family heirlooms, Grandma's and Grandpa's old radio, Mom and Dad's special set, and the radios you enjoyed as a child! Carries information for American, Canadian and European antique radios. Specializes in antique radio schematics, circuit diagrams and service data for vintage tube radios.
#VINTAGE TRANSISTOR RADIO REPAIR MANUALS#
The manuals in this archive are available to all who enjoy working on and restoring old tube type amateur radio equipment and short wave receivers.
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