power amplification
[/ˈpaʊər ˌæmplɪfɪˈkeɪʃən/]
nounfemininepl: power amplifications
amplificação de potência
1. The process of increasing the power or amplitude of an electrical signal without significantly altering its characteristics
Power amplification is essential in audio systems to drive speakers at high volumes.
A amplificação de potência é essencial em sistemas de áudio para impulsionar alto-falantes em volumes altos.
2. In electronics, the stage of an amplifier that converts weak signals into stronger signals capable of driving loads
The final stage of the amplifier handles power amplification before sending the signal to the speaker.
O estágio final do amplificador executa a amplificação de potência antes de enviar o sinal ao alto-falante.
3. The ability to increase signal strength while maintaining fidelity and minimizing distortion
Modern power amplification circuits can deliver clean, powerful output across a wide frequency range.
Circuitos modernos de amplificação de potência podem entregar saída poderosa e limpa em uma ampla faixa de frequência.
Power amplification is a fundamental concept in both Brazilian and American audio engineering and electronics industries. In professional audio environments in both countries, the term is used universally by technicians and engineers. In Brazil, the term is standard in formal technical documentation and educational contexts. American audio professionals often use the abbreviated 'PA' (power amplification/public address system) interchangeably in live sound reinforcement applications.
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