1925

Electrical Recording. The introduction of electrical recording marks a new era of sound production with greatly improved audio quality.

 

Before this innovation, recordings were made using purely mechanical acoustic systems.
Musicians had to perform directly in front of a large recording horn to produce enough sound.
In 1925, the new microphone-based recording technology is introduced.
A microphone converts sound waves into electrical signals.
These signals are amplified using electronic amplifiers.
The amplified signal is then used to cut the grooves into the record master.
This greatly improves sound quality, dynamics and clarity.
Softer instruments and voices can now be captured much more accurately.
Record companies such as Victor and Columbia quickly adopt the new system.
Many famous recordings of the late 1920s are already electrically recorded.
This innovation marks the beginning of modern studio recording technology.