Nalane ea nts'etsopele ea theknoloji ea molumo e ka aroloa ka mekhahlelo e mene: tube, transistor, potoloho e kopantsoeng le transistor ea tšimo.

Ka 1906, American de Forrest e ile ea qapa vacuum transistor, e ileng ea bula theknoloji ea motho ea motlakase oa motlakase.Bell Labs e qapiloe ka 1927. Kamora theknoloji e mpe ea maikutlo, nts'etsopele ea theknoloji ea molumo e kene nakong e ncha, joalo ka Williamson amplifier e sebelisitse ka katleho theknoloji e mpe ea maikutlo ho fokotsa haholo ho sotha ha amplifier ho fihlela lilemong tsa bo-1950, nts'etsopele ea tube amplifier e fihlile ho e 'ngoe ea linako tse monate ka ho fetisisa, mefuta e fapaneng ea li-amplifiers tsa tube e hlaha ka ho sa feleng.Hobane 'mala oa molumo oa amplifier ea tube o monate ebile o pota-potile, o ntse o ratoa ke ba chesehelang.

Ka bo-1960, ho hlaha ha li-transistors ho ile ha etsa hore palo e kholo ea batho ba chesehelang molumo e kene lefatšeng le pharalletseng la molumo.Li-amplifiers tsa Transistor li na le litšobotsi tsa timbre e bonolo le e tsamaeang, ho khopama ho tlase, karabelo ea maqhubu a pharalletseng le mefuta e fapaneng e matla.

Mathoasong a lilemo tsa bo-1960, United States e ile ea qala ho hlahisa lipotoloho tse kopantsoeng, tseo e leng litho tse ncha tsa theknoloji ea molumo.Mathoasong a lilemo tsa bo-1970, lipotoloho tse kopantsoeng li ile tsa tsejoa butle-butle ke indasteri ea molumo ka lebaka la boleng ba tsona bo phahameng, theko e tlaase, molumo o monyenyane, mesebetsi e mengata joalo-joalo.Ho tla fihlela joale, li-circuits tse kopaneng tsa molumo oa lifilimi le li-circuits tse kopaneng tsa amplifier li 'nile tsa sebelisoa haholo lipotolohong tsa molumo.

Bohareng ba lilemo tsa bo-1970, Japane e ile ea hlahisa tube ea pele ea tlhahiso ea tšebetso ea tšimo.Hobane tube ea matla ea tšimo e na le litšobotsi tsa "electron tube" e hloekileng, 'mala o motenya le o monate, le mefuta e mengata ea 90 dB, THD <0.01% (100KHZ), haufinyane e ile ea tsebahala ka molumo.Ho li-amplifiers tse ngata kajeno, li-transistors tsa tšimo li sebelisoa e le tlhahiso ea ho qetela.

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