Chapter 1
The physics of the groove
Chapter 2
From shellac to stereo
Chapter 3
The art you can hold
Chapter 4
The global vinyl revival
YOUR GOAL
Master of Grooves and waves in a digital world
Ch 2 · From shellac to stereo
sonia From shellac to stereo
Left wall, right wall, left wall, right wall, One single groove plays them both after all.
Fun Fact
Beetle records: Before vinyl was invented in the late 1940s, nearly all commercial records were made from the refined secretions of tiny Asian lac beetles.
Glossary
shellac (noun)
A purified lac resin used especially in varnishes and formerly to manufacture phonograph records. Columbia Records replaced this fragile material in 1948 by introducing the modern vinyl LP.
A purified lac resin used especially in varnishes and formerly to manufacture phonograph records. Columbia Records replaced this fragile material in 1948 by introducing the modern vinyl LP.
Quiz
What brittle material, made from beetle secretions, was used to make records before vinyl?
Quiz
Which engineer led the Columbia Records team that successfully developed the microgroove LP?
Quiz
What speed, measured in revolutions per minute, is standard for a 7-inch single record?