[1]
S. MALECZEK, “Optimisation of the total harmonic distortions of the acoustic vacuum tube push-pull amplifier”, Arch. Acoust., vol. 33, no. 1, pp. 103–109, Mar. 2014, Accessed: Jan. 18, 2026. [Online]. Available: https://acoustics.ippt.gov.pl/index.php/aa/article/view/636