Mokhoa oa ho theha amplifier ea 4-channel? (3 mekhoa)

Tse ka hare

Mokhoa oa 1 - Ho seta ka letsoho
Mokhoa oa 2 - Sebelisa Sesebelisoa sa Khopa
Mokhoa oa 3 - Sebelisa oscilloscope

Ho theha amplifier ea li-channel tse 4 ho ka ba thata. Mona ke mekhoa e meraro e ka rarollang tsohle.

Ho theha amplifier ea likanale tse 4 ka nepo ho na le melemo e mengata. Boleng bo botle ba molumo, bophelo bo bolelele ba sebui le ho felisa ho sotha ke tse ling tsa tsona. Empa bakeng sa ba qalang, ho theha amplifier ho ka 'na ha se ke ha hlahlojoa ka lebaka la ho rarahana ha mokhoa ona. Kahoo, ke tla u ruta mekhoa e meraro e fapaneng ea ho theha amplifier ea 4-channel ntle le ho senya sistimi ea molumo oa koloi ea hau.

Ka kakaretso, ho theha amplifier ea 4-channel, latela mekhoa ena e meraro.

Ho beha ka letsoho
Sebelisa Sesebelisoa sa Distortion
Sebelisa oscilloscope

Bala tlhaloso e arohaneng e ka tlase bakeng sa lintlha tse ling.

Mokhoa oa 1 - Ho seta ka letsoho

Ts'ebetso ea tokiso ea matsoho e kanna ea ba khetho e ntle ka ho fetisisa haeba u batla ho seta ka potlako. Bakeng sa ts'ebetso ena, o hloka feela screwdriver ea flathead. 'Me u lokela ho khona ho bona lintho tse sothehileng ka ho mamela feela.

Mohato oa 1 Koala phaello, li-filters le litlamorao tse ling.

Pele ho tsohle, fetola phaello ea amplifier ho bonyane. 'Me u etse se tšoanang bakeng sa li-filters tse tlaase le tse phahameng. Haeba u sebelisa litlamorao tse ikhethang joalo ka bass boost kapa treble boost, li tima.

Etsa bonnete ba hore o tima litlhophiso tse kaholimo ho yuniti ea hlooho hape. Boloka molumo oa yuniti ea hlooho ho zero.

Mohato oa 2 - Phahamisa le ho theola molumo oa yuniti ea hlooho ea hau

Ebe butle eketsa molumo oa yuniti ea hlooho 'me u qale ho bapala pina e tloaelehileng. Phahamisa molumo ho fihlela o utloa ho sotha. Ebe o theola molumo ho theosa le boemo bo le bong kapa a mabeli ho fihlela ho khopama ho felile.

Mohato oa 3 - Eketsa le ho fokotsa phaello ho amplifier

Joale nka screwdriver ea flathead 'me u fumane konopo ea phaello ho amp. Fetola konopo ea phaello ka bonolo ho fihlela u utloa ho khopama. Ha u utloa ho sotha, fetola kotola ka nqane ho fihlela u tlosa ho khopama.

Hopola: Pina e lokela ho bapala hantle mehatong ea 3 le ea 4.

Mohato oa 4. Koala bass boost 'me u lokise li-filters.

Ebe u fetola knob ea bass ho zero. Ho sebetsa ka bass boost ho ka ba bothata. Kahoo lula hole le bass boost.

Ebe u beha li-frequency tse lakatsehang tse tlase le tse phahameng. Maqhubu ana a ka fapana ho latela li-subwoofers le li-tweeter tse sebelisitsoeng.

Leha ho le joalo, ho beha filthara e tlase ho 70-80 Hz le filthara ea pasa e phahameng ho 2000 Hz hoa utloahala (mofuta oa molao oa letsoho).

Mohato oa 5 - Pheta hape

Pheta mehato ea 2 le ea 3 ho fihlela u fihla bophahamong ba molumo oa bonyane 80%. U ka 'na ua hloka ho pheta mokhoa ona 2 kapa makhetlo a 3.

Amplifier ea hau ea 4 e se e hlophisitsoe ka nepo.

bohlokoa: Le hoja mokhoa oa ho lokisa ka letsoho o le bonolo, ba bang ba ka ba le bothata ba ho lemoha ho khopama. Haeba ho joalo, sebelisa leha e le efe ea mekhoa e 'meli e ka tlase.

Mokhoa oa 2 - Sebelisa Sesebelisoa sa Khopa

Sesebelisoa sa ho sotha ke sesebelisoa se setle sa ho lokisa amplifier ea likanale tse nne. Mona u ka ithuta ho e sebelisa.

Lintho Tseo U Tla li Hloka

Sesebelisoa sa ho sotha
Flad screwdriver

Mohato oa 1 Koala phaello, sefa le litlamorao tse ling.

Ntlha ea pele, tima litlhophiso tsohle, joalo ka mokhoa oa 1.

Mohato oa 2 - Hokela li-sensor

Sesebelisoa sa ho sotha se tla le li-sensor tse peli. Li hokahane le lipoelo tsa sebuela-hōle.

Mohato oa 3 - Fetola Bolumo ba Yuniti ea Hlooho

Ebe o eketsa molumo oa hlooho ea hlooho. 'Me ka nako e ts'oanang, hlahloba li-LED tsa li-distortion detector. Bofubelu bo holimo ke ba ho sotha. Kahoo, ha sesebelisoa se lemoha ho khopama leha e le hofe, lebone le khubelu le tla buleha.

Ka nako ena, emisa ho eketsa molumo le ho fokotsa molumo ho fihlela lebone le khubelu le tima.

Mohato oa 4 - Fetola Phaello

Latela mokhoa o ts'oanang oa ho holisa amplifier joalo ka mohato oa 3 (eketsa le ho fokotsa phaello ho latela ho sotha). Sebelisa screwdriver ho lokisa kopano ea amplification.

Mohato oa 5 - Beha li-filters

Beha li-filters tse tlase le tse phahameng ho li-frequencies tse nepahetseng. Ebe o tima bass boost.

Mohato oa 6 - Pheta hape

Pheta mehato ea 3 le ea 4 ho fihlela u fihla 80% ea molumo ntle le ho sotha.

Mokhoa oa 3 - Sebelisa oscilloscope

Ho sebelisa oscilloscope ke tsela e 'ngoe ea ho fetola amplifier ea likanale tse nne. Empa ts'ebetso ena e batla e rarahane.

Lintho Tseo U Tla li Hloka

oscilloscope
Smartphone ea khale
Aux-in cable bakeng sa fono
Melumo e mengata ea teko
Flad screwdriver

Mohato oa 1 Koala phaello, sefa le litlamorao tse ling.

Taba ea pele, tima phaello, filthara le litlamorao tse ling tse ikhethang tsa amplifier. Etsa se tšoanang bakeng sa sehlopha sa hlooho. Hape beha molumo oa unit ea hlooho ho zero.

Mohato oa 2 - Tlosa libui tsohle

Ebe o khaola libui tsohle ho tsoa ho amplifier. Nakong ea ts'ebetso ena ea ho seta, o ka senya libui tsa hau ka phoso. Kahoo, ba boloke ba holofetse.

Mohato oa 3 - Hokela smartphone ea hau

E latelang, hokela smartphone ea hau ho lisebelisoa tse thusang tsa yuniti ea hlooho. Sebelisa thapo e loketseng ea Aux-In bakeng sa sena. Ebe u bapala molumo oa teko. Bakeng sa ts'ebetso ena, ke khetha molumo oa teko oa 1000 Hz.

Ela hloko: U se ke ua lebala ho bulela hlooho ea hlooho hona joale.

Mohato oa 4 - Theha oscilloscope

Oscilloscope e etselitsoe ho bonts'a kerafo ea lets'oao la motlakase. Mona o ka sheba graph ea voltage. Empa bakeng sa sena, pele o hloka ho theha oscilloscope hantle.

Oscilloscope e tšoana haholo le multimeter ea digital. Ho lokela ho ba le lipeo tse peli; E khubelu le e ntšo. Hokela moetapele o mofubelu boema-kepeng ba VΩ le moetapele o motšo boema-kepeng ba COM. Ebe u kenya mohala ho li-setting tsa voltage ea AC.

Ka kōpo hlokomela: Haeba ho hlokahala, lokisa li-filters tse tlase le tse phahameng pele u qala mohato oa 5. 'Me u tima bass boost.

Bohato ba 5 Hokela sensor ho lipoelo tsa sebui.

Joale hokela li-oscilloscope probes ho liphetho tsa sebui.

Ho amplifier ea likanale tse 4, likanale tse peli li nehetsoe libui tse peli tse ka pele. 'Me tse ling tse peli ke tsa libui tse ka morao. Joalokaha u bona, ke ile ka hokahanya li-probes ho mocha o le mong o ka pele.

Li-oscilloscope tse ngata li na le mokhoa oa kamehla le linomoro tsa pontšo (voltage, current, le resistance). Empa o hloka mokhoa oa graph. Kahoo, latela mehato ena.

Tšoara konopo ea R bakeng sa metsotsoana e 2 kapa e 3 (tlas'a konopo ea F1).

Fetola kutloisiso ea graph ka konopo ea F1.

Mohato oa 6 - Phahamisa molumo

Ka mor'a moo phahamisa molumo oa yuniti ea hlooho ho fihlela holimo le tlase ho lets'oao li bataletse (lets'oao lena le tsejoa e le lets'oao le koetsoeng).

Ebe o theola molumo ho fihlela o fumana waveform e hlakileng.

Ena ke tsela eo u ka felisang ho sotha ho sebelisa oscilloscope.

Mohato oa 7 - Fetola Phaello

Hona joale o ka fetola phaello ea amplifier. Ho etsa sena, beha li-sensor tse peli seteisheneng se le seng se ka pele joalo ka mohato oa 6.

Nka screwdriver ea flathead 'me u fetole taolo ea amplifier ho ea ka nako. U tlameha ho etsa sena ho fihlela oscilloscope e bonts'a lets'oao le khutsitsoeng. Ebe u fetola hlooho ka tsela e fapaneng ho fihlela u fumana sebopeho se hlakileng sa wave.

Pheta mehato ea 6 le ea 7 ha ho hlokahala (leka ho finyella bonyane 80% ea molumo ntle le ho sotha).

Mohato oa 8 - Beha likanale tse ka morao

Latela mehato e tšoanang le ea 5,6, 7, 4 le XNUMX ho theha likanale tse ka morao. Lekola kanale e le 'ngoe bakeng sa likanale tse ka pele le tse ka morao. Amplifier ea hau ea XNUMX ea mocha e se e hlophisitsoe 'me e se e loketse ho sebelisoa.

Sheba tse ling tsa lingoliloeng tsa rona tse ka tlase.