Transformer Quote by Sidney Lumet
““The basic 110-volt AC power line moves the electrons at 60 cycles. If a transformer is close to the power source (and all speakers have transformers), the 60 cycles produce an audible hum. Crackling, caused by dirt on the sound head, can also be heard.””
About This Quote
Source Interview: Documentary on film sound design, 1995
Audio hum arises from transformer proximity and dirty components.
In simple terms: Electrical noise sources.
Key Takeaway
Maintain clean equipment.
Themes
technology
audio
sound engineering
Mood
technical
informative
Type
educational
technical
When to use this quote
- studio setup
- live concerts
- home audio
- maintenance
Key Concepts
electromagnetism
signal integrity
Questions to Reflect On
- How can you reduce audio noise?
- What maintenance prevents hum?
A Different Perspective
Fixing hum may require technical expertise.
![“Star Wars introduced a new way for using the five screen speakers [in theaters]. By pushing left and right sound channels to the farthest out speakers the pair just inside those was made available. Lucas' mixers then placed low frequency effects in those speakers, and named it the 'baby boom'…” quote by Michael Rubin](https://sms4smile.com/quotes/img-quotes/498/michael-rubin-147084_audio-effects_star-wars-introduced-a-new-way-for-using_2211512.jpg)
