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“I checked it on the AVO.” For decades, AVO valve testers were the standard for testing valves (their multimeters were also extremely popular). This article explains the differences between the various AVO meters and describes how they work. by Ian Batty

This is an iconic, well-performing radio from the early 1930s; it was built into a Queensland Maple case, and is a ‘must have’ for any serious collector of Australian electronic technology. However, it’s a nightmare to work on. by Ian Batty