Summed Efficiency-Method for Efficient Vented Box Speaker Design

Iversen NE, Christensen T, Bjørnskov A, Petersen L. Summed Efficiency-Method for Efficient Vented Box Speaker Design. In: AES Convention 147. Audio Engineering Society; 2019. Paper 10310. Available from: https://aes.org/publications/elibrary-page/?id=20682

@inproceedings{Iversen2019_20682,
  author = {Iversen, Niels Elkjær and Christensen, Theis and Bjørnskov, Anders and Petersen, Lars},
  title = {{Summed Efficiency-Method for Efficient Vented Box Speaker Design}},
  booktitle = {AES Convention 147},
  note = {Paper 10310},
  year = {2019},
  month = oct,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=20682}
}

TY  - CPAPER
TI  - Summed Efficiency-Method for Efficient Vented Box Speaker Design
AU  - Iversen, Niels Elkjær
AU  - Christensen, Theis
AU  - Bjørnskov, Anders
AU  - Petersen, Lars
T2  - AES Convention 147
M1  - Paper 10310
PY  - 2019
DA  - 2019/10/06
UR  - https://aes.org/publications/elibrary-page/?id=20682
PB  - Audio Engineering Society
LA  - en
AB  - Loudspeakers are inefficient and conventional design methods do not consider the efficiency in the design process. With the rise of Digital Signal Processing (DSP) the frequency response can be corrected with pre-filtering. Based on a frequency domain analysis of vented box enclosures this paper proposes a new method, the Summed efficiency-method (S?-method), for designing vented box enclosures. The method focuses on mapping the efficiency and SPL output vs. volume and tuning frequency enabling the designer to perform knowledge-based trade-off decisions in the design process. A design example shows how the method can be used to improve the efficiency with over 70% compared to a conventional maximum flat alignment for a compact Public Address (PA) subwoofer application.
ER  -