# BSTJ 9: 2. April 1930: Optimum Reverberation Time for Auditoriums. (MacNair, Walter A. )

Bell System Technical Journal, 9: 2. April 1930 pp 390-397. Optimum Reverberation Time for Auditoriums. (MacNair, Walter A. )

- Kind: Magazine
- Series: BSTJ 9: 2. April 1930: Optimum Reverberation Time for Auditoriums
- Year: 1930
- Archive: [Internet Archive](https://archive.org/details/bstj9-2-390)
- Licence or status: none stated by the archive
- Who can read it: Tweens profiles and older (placed by Invisible Network from what the archive says)

[Read it](https://invisiblenetwork.ai/print/ia/bstj9-2-390/read)