New Developments in Output-Transformerless Amplifiers

Rodrigues de Miranda J, Zelst JJZV. New Developments in Output-Transformerless Amplifiers. In: AES Convention 9. Audio Engineering Society; 1957.pp. 11:1-26. Available from: https://aes.org/publications/elibrary-page/?id=206

@inproceedings{RodriguesdeMiranda1957_206,
  author = {Rodrigues de Miranda, J. and Zelst, J. J. Zaalberg v.},
  title = {{New Developments in Output-Transformerless Amplifiers}},
  booktitle = {AES Convention 9},
  pages = {11:1-26},
  url = {https://aes.org/publications/elibrary-page/?id=206},
  year = {1957},
  month = oct,
  publisher = {Audio Engineering Society}
}

TY  - CPAPER
TI  - New Developments in Output-Transformerless Amplifiers
AU  - Rodrigues de Miranda, J.
AU  - Zelst, J. J. Zaalberg v.
T2  - AES Convention 9
SP  - 1
EP  - 26
M1  - Paper 11
PY  - 1957
DA  - 1957/10/06
UR  - https://aes.org/publications/elibrary-page/?id=206
PB  - Audio Engineering Society
LA  - en
AB  - The subject of this paper is an audio power amplifier in which a number of principles have been combined in order to obtain very good performance at a reasonable price. The principles are not new themselves, but the combination has led to results which certainly may be called interesting. First a brief review will be given of the reasons that led us to the use of single-ended push-pull circuits and the development of a high impedance loudspeaker. The suitability of this system for a combination of positive and negative feedback will be discussed. Detailed circuits are shown and a method for calculation of the distortion figures will be indicated, first for a simplified circuit, and then for the amplifier as it has been built. The measuring results will be shown and discussed. Finally a demonstration will be given.
ER  -