July 8, 2017 Inserts Hi-Fi, Mercury Records, music, record collecting, records, vinyl, wax Leave a comment How Your Hi-Fi Stereo Record Works by The Prudent Groove Not much to say today (or any day), so here is a lovely insert from Mercury Records circa: 1961. So, just in case you wanted to know how your hi-fi stereo record works, have a glance at the handy diagram above. Cheers. Share this:TwitterFacebookLike this:Like Loading... Related