To put you to the test, we’ve created this quiz to see if you can name the very first audio products from some legendary hi-fi brands, from Wharfedale to Technics to Sonus Faber. We have focused on just 12 hi-fi brands here – otherwise we’d all be here forever – and we are looking for the exact product name of each brand’s very first commercially available hi-fi product. (If you get stuck, the answers can be found in many of the recent features on the site, as part of our What Hi-Fi? Can you name all the types of hi-fi and AV cables from the photos? We asked some of the most influential experts in the industryWe asked 8 sound engineers for their top studio test tracks – here’s what they picked and why