CBS Laboratories - Stereophonic Frequency Test Record

Our #ObjectOfTheWeek is the flip book that came with the very first stereo record released by Columbia Records in 1958! "How the Stereophonic Groove Moves The Needle" is a tiny, matchbox-sized flip book that animates how a needle moves up and down and side to side inside the then-new two-sided stereo record grooves! #flipbook #animation #stereo #lprecord #records #ColumbiaRecords #cultureofsound #soundbeyondmusic #museumofportablesound | Museum of Portable Sound

How to Test a Speaker - SweetCare

Megatest speaker cables - real measurements, samples and blind test!

What’s the difference between mono and stereo sound? With mono, all your audio is played through a single channel. While stereo sound preserves what’s known as the “soundstage” – mimicking the detail of listening to a live performance. You can stereo pair any two matching speakers with a little help from the Sonos app. | Luxury Personified LLP

Stereo vs Mono: The "White" Album

Mono vs Stereo