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How do I make a speaker amplifier circuit?

Subspace topology

Low-pass filter

Direct-coupled amplifier

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Proceedings Article•DOI Linear feature space projections for speaker adaptation George Saon, Geoffrey Zweig, Mukund Padmanabhan - Show less +2 more 07 May 2001 42 Citations	Our method is in contrast to traditional approaches which use a single speaker-independent projection, and execute speaker adaptation in the resulting subspace.
Journal Article•DOI Saturated Power Amplifier Optimized for Efficiency Using Self-Generated Harmonic Current and Voltage Jungjoon Kim, Jangheon Kim, Junghwan Moon, Jungwhan Son, Ildu Kim, Seunghoon Jee, Bumman Kim - Show less +6 more 13 Jun 2011-IEEE Transactions on Microwave Theory and Techniques 71 Citations	Therefore, the circuit topology is similar to that of a class E amplifier, which is very simple.
Journal Article•DOI 1.5 V 1.8 GHz bandpass amplifier K.-L. Chan, Manh-Anh Do, Kiat Seng Yeo, Jian-Guo Ma - Show less +3 more 01 Dec 2000 11 Citations	In the paper, a new bandpass amplifier has been proposed which can achieve the required Q without an additional Q-enhancement circuit.
Journal Article•DOI Modeling and Optimization of Class-E Amplifier at Subnominal Condition in a Wireless Power Transfer System for Biomedical Implants. Hao Liu, Qi Shao, Xuelin Fang - Show less +2 more 01 Feb 2017-IEEE Transactions on Biomedical Circuits and Systems 65 Citations	To solve this problem, this paper proposes a novel circuit model of the subnominal class-E amplifier.
Patent•DOI Speaker cross-over networks Steven J. Eberbach 21 Mar 1979-Journal of the Acoustical Society of America 16 Citations	The physical configuration of the separate circuit can be easily adjusted to counter variations in individual speaker performance parameters.
Journal Article•DOI Flux-Flow-Type Josephson Linear Amplifier with Large Gain and Wide Linear Range Tadao Nagatsuma, Keiji Enpuku, Hiroaki Iwakura, Keiji Yoshida - Show less +3 more 20 Aug 1985-Japanese Journal of Applied Physics 16 Citations	An equivalent circuit of the amplifier has also been presented, which shows that the device is most suitable for current amplification with large gain in low impedance circuits.
Proceedings Article•DOI Speaker-Aware Neural Network Based Beamformer for Speaker Extraction in Speech Mixtures. Kateřina Žmolíková, Marc Delcroix, Keisuke Kinoshita, Takuya Higuchi, Atsunori Ogawa, Tomohiro Nakatani - Show less +5 more 20 Aug 2017 107 Citations	Experiments on mixture of two speakers demonstrate that the proposed scheme can track and extract a target speaker for both closed and open speaker set cases.

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