Yuav ua li cas yuav ua rau lub raj amplifiers Hi-End nrog nws tus kheej ob txhais tes?

Cov neeg uas hlub zoo suab paj nruag, tej zaum paub txog raj amplifiers Hi-End. Nws yuav ua tau los ntawm koj tus kheej, yog tias koj paub yuav ua li cas siv ib tug soldering hlau thiab muaj ib co kev txawj ntse ntawm ua hauj lwm nrog xov tooj cua tshuab.

Lub cim ntaus ntawv

Tube amplifiers Hi-End - ib tug tshwj xeeb hauv chav kawm ntawv tsev neeg cov khoom siv. Yuav ua li cas yog vim li cas? Firstly, lawv muaj ib tug heev interesting tsim thiab architecture. Nyob rau hauv cov qauv no, ib tug neeg yuav pom txhua yam uas nws xav tau kev pab. Qhov no ua rau cov ntaus ntawv tiag nws. Secondly, tus yam ntxwv ntawm ib tug raj amplifier Hi-End txawv los ntawm lwm txoj kev ua qauv nyob rau hauv uas siv transistor-kev circuits. Tsis zoo li Hi-End yog tias tsawg tsawg ntawm qhov chaw siv nyob rau hauv lub rooj sib txoos. Tsis tas li ntawd, soj ntsuam lub suab ntawm no unit, cov neeg uas muaj kev tso siab nyob rau hauv kuv pob ntseg dua lub THD thiab cov oscilloscope.

Xaiv schemes rau los ua ke

Lub pre-amplifier yog heev yooj yim mus sib sau ua ke. Rau nws, koj muaj peev xwm xaiv tej haum tswvyim thiab pib lub rooj sib txoos. Lwm cov ntaub ntawv - cov zis theem, uas yog, lub hwj chim amplifier. Nrog nws, raws li ib tug txoj cai, muaj ntau ntau yam sib txawv teeb meem. Lub tso zis theem muaj ob peb hom ua ke thiab cov lag luam hom.

Tus thawj hom - ib-cycle qauv, uas yog suav hais tias yog tus qauv theem. Thaum kev khiav hauj lwm nyob rau hauv lub "A" nws muaj me ntsis harmonic distortion, tab sis hmoov tsis muaj ib tug es cov neeg pluag efficiency. Tsis tas li ntawd ntawm daim ntawv yog qhov nruab nrab tso zis ntau zog. Yog hais tias koj xav tau rau siab suab haum loj chav, ib tug laub-rub hwj chim amplifier yuav tsum tau yuav tsum tau ua ntawv thov. Cov qauv no yuav ua hauj lwm nyob rau hauv "AB" hom.

Nyob rau hauv ib lug Circuit Court rau ib tug zoo lag luam ntawm tus dais no yog txaus tsuas yog ob tug qhov chaw: ib lub hwj chim amplifier thiab pre-amplifier. Nyob rau hauv lub laub-rub qauv yog twb nyob rau hauv kev siv fazoinversny amplifier los yog tsav tsheb.

Ntawm cov hoob kawm, rau ob hom ntawm cov zis theem mus ua hauj lwm zoo nrog cov lus qhia system, nws yog tsim nyog rau reconcile siab interelectrode kuj thiab tsawg kuj ntawm lub ntaus ntawv nws tus kheej. Qhov no yuav ua tau los ntawm ib tug transformer.

Yog hais tias koj yog ib tug connoisseur ntawm "raj" suab, koj yuav tsum to taub hais tias nws yog tsim nyog los siv ib tug rectifier, uas yog nyob rau hauv lub valve raj, nyob rau hauv thiaj li yuav ua tau xws li ib tug lub suab. Qhov no yog tsis siv semiconductor Cheebtsam.

Tsim raj amplifier Hi-End, koj siv tsis tau txoj schemes. Yog hais tias koj xav tau suab heev ib chav tsev me me, koj muaj peev xwm siv ib tug yooj yim ib-cycle tsim uas yog yooj yim ua thiab customize.

Nqus Tube Amplifier Hi-End nrog nws tus kheej ob txhais tes

Ua ntej yuav pib lub installation, koj yuav tau tsi tawm ib co kev cai rau cov los ua ke ntawm xws kiag li lawm. Peb yuav tsum tau ua ntaub ntawv thov qhov yooj yim hauv paus ntsiab lus ntawm mounting raj pab kiag li lawm - nrhiav fasteners. Ua li cas nws txhais li cas? Koj yuav tsum tau muab lub installation ntawm nyob ntawm tej. Ntawm cov hoob kawm, qhov no tsis yeej ib txwm tau mus ua li cas, tab sis lawv tus naj npawb yuav tsum tau khaws cia rau ib tug tsawg kawg nkaus.

Nyob rau hauv ib tug zoo lub tshuab nqus tsev raj Hi-End amplifier thov petals thiab mounting bracket. Lawv yog siv nyob rau hauv daim ntawv ntawm cov ntsiab lus ntxiv. Qhov no ua ke yog hu ua ib tug ntaub. Tsis tas li ntawd, koj yuav tsum tau unsolder lub resistors thiab capacitors, uas yog nyob rau hauv lub raj panels. Nws tsis pom zoo kom siv ib tug luam Circuit Court board thiab sau nyob ntawm tej thiaj li mus tau thaum uas tig mus kab. Yog li lub rooj sib txoos yuav saib chaotic.

tshem tawm ntawm cuam

Tom qab ntawd xav tau los mus tshem tawm tsawg zaus tom qab, ntawm chav kawm, yog hais tias nws yog tam sim no. Ib qho tseem ceeb point yog cov kev xaiv ntawm lub grounding point. Nyob rau hauv cov ntaub ntawv no, koj yuav thov tau ib qho ntawm cov hauv qab no:

• Kev twb kev txuas hom - lub hnub qub, nyob rau hauv uas tag nrho cov "trenching" conductors yog kev cob cog rua ntawm ib tug taw tes.
• Qhov thib ob hom - tso tuab tooj liab tsheb npav. Nws yog tsim nyog los unsolder coj ntsiab.

Nyob rau hauv Feem ntau, nws yog zoo dua mus nrhiav tau lawv tus kheej taw tes ntawm grounding. Qhov no yuav ua tau los ntawm kev txiav txim theem ntawm tsawg zaus tom qab mloog. Ua li no, koj yuav tsum maj mam kaw tag nrho cov mesh hlab uas nyob rau hauv av. Yog hais tias lub kaw ntawm lub tom ntej hu rau txo lub theem ntawm tsawg zaus tom qab, ces koj tau pom ib tug haum teeb. Mus cuag tej yam tshwm sim, nws yog tsim nyog los tshem tawm pliaj frequencies experimentally. Koj tseem yuav tau saib cov nram qab no ntsuas los txhim kho qhov zoo ntawm lawv cov los ua ke:

• Yuav kom ua lub cua sov Circuit Court ntawm cov hlab, nws yog tsim nyog los siv tso tseg hlau.
• Teeb txawb uas yog siv nyob rau hauv lub pre-amplifier, nws yog tsim nyog los kaw lub grounded kaus mom.
• Nws tseem yog tsim nyog rau hauv av lub vaj tse nrog nce mus nce los resistors.

Yog hais tias koj xav mus noj lub tshav kub ntawm lub pre-amp hlab, koj yuav thov tau ib qhov kev tam sim no. Tu siab, qhov no yuav tsum tau kev twb kev txuas ntawm ib tug ntxiv unit. Lub rectifier yuav ua txhaum cov kev cai ntawm ib tug raj amp Hi-End, raws li nws yog ib tug semiconductor ntaus ntawv, uas peb yuav siv tsis tau.

transformers

Ib qho tseem ceeb point - kev siv ntau yam transformers. Raws li ib tug dav dav txoj cai, thov lub hwj chim thiab outputs yuav tsum tau kev cob cog rua perpendicularly. Yog li koj yuav txo tau cov theem ntawm tsawg zaus tom qab. Transformers yuav tsum tau muab tso rau hauv ib tug grounded vaj tse nyob. Nws yuav tsum tau nco ntsoov tias cores ntawm txhua tus ntawm cov transformers yuav tsum tau grounded. Nws yog tsis tsim nyog rau siv shielded hlau thaum koj nruab pab kiag li lawm uas tsis muaj ntxiv teeb meem. Ntawm cov hoob kawm, qhov no yog tsis tag nrho cov nta txuam nrog rau installation. Lawv zoo nkauj npaum li cas tag nrho cov xav tsis ua hauj lwm. Thaum txhim kho lub Hi-End (raj amp) koj siv tsis tau lub tshiab Cheebtsam. Lawv tam sim no siv mus txuas transistors thiab kev circuits. Tab sis nyob rau hauv cov ntaub ntawv no lawv yuav tsis haum.

resistors

High-zoo raj amp Hi-End - nws retropribor. Ntawm cov hoob kawm, qhov chaw los tsim kom tau nws yuav tsum yog tsim nyog. Es tsis txhob, lub resistor yuav tuaj thiab cov pa roj carbon hlau caij. Yog hais tias koj tsis khuv xim nyiaj rau txoj kev loj hlob ntawm no ntaus ntawv, koj yuav tsum tau siv precision resistors, uas yog heev kim. Txwv tsis pub siv mlt qauv. Nws yog ib tug zoo zoo nkauj khoom, raws li evidenced los ntawm xyuas.

Tube amplifiers Hi-End kuj muaj feem xyuam rau lub BC-resistors. Lawv tau ua txog 65 lub xyoos dhau los. Nrhiav lub caij yog yooj yim heev, cia li txaus mus coj ib tug taug kev nyob rau hauv lub xov tooj cua ua lag luam. Yog hais tias koj siv ib tug resistor nrog ib tug muaj peev xwm los ntawm ntau tshaj li 4 watts, koj yuav tsum tau xaiv cov ntsiab ntawm cov enamelled hlau.

capacitors

Lub installation ntawm ib tug raj amp siv ntau hom kev capacitors rau lub system thiab fais fab mov. Lawv feem ntau yog siv los kho lub suab nrov. Yog hais tias koj xav tau high-zoo thiab tej yam ntuj tso suab, yuav tsum tau siv thaiv cov hlab capacitor. Nyob rau hauv cov ntaub ntawv no, muaj ib tug me me to tam sim no, uas tso cai rau koj yuav hloov lub operating point ntawm lub teeb.

Qhov no hom ntawm capacitor yog kev cob cog rua rau lub anode Circuit Court los ntawm kev uas ntws ib tug loj voltage. Nws yog tsim nyog mus cuag ib tug capacitor uas koom tes rau voltage saum toj no 350 volts. Yog hais tias koj xav siv high-zoo Cheebtsam, koj yuav tau siv cov khoom los ntawm lub tuam txhab Jensen. Lawv txawv los ntawm analogues uas lawv cov nqi tshaj 3000 rubles, thiab tus nqi ntawm lub siab tshaj plaws zoo ntawm lub xov tooj cua nce mus txog 10 000. Yog hais tias koj siv cov domestic hais, nws yog zoo dua mus xaiv ntawm cov qauv thiab K73-16 K40U-9.

ib leeg-tas amplifier

Yog hais tias koj xav siv ib-cycle qauv, koj yuav tsum xub xav txog nws cov tswvyim. Nws muaj ob peb yam:

• fais fab mov;
• lub theem kawg;
• preamplifier, nyob rau hauv uas koj yuav tau kho lub suab nrov.

los ua ke

Peb pib nrog lub rooj sib txoos ntawm cov pre-amplifier. Mounting nws tshwm sim rau ib tug yooj yim haum txawv. Nws tseem yog tsim nyog los muab hwj chim tswj ntawm ob lub separator yuav tau kho lub suab nrov. Nws yuav tsum tau teem caij rau cov uas tsis muaj thiab siab frequencies. Yuav kom nce lub txee lub neej, nws yog tsim nyog mus thov ib tug multi-band equalizer.

Lub preamplifier tis tau pom zoo sib xws nrog lub nrov dual triode 6N3P. Cov tsim nyog caij rau peb yuav sau nyob rau hauv ib txoj kev zoo, tab sis siv cov theem kawg. Qhov no yog tseem pheej rov qab ua nyob rau hauv lub tso suab embodiment. Nco ntsoov tias cov qauv yuav tsum tau tuaj txoos ua ke nyob rau hauv ib tug Circuit Court board. Ua ntej, nws yog tsim nyog los debug, thiab ces yuav tau ntsia rau qhov chassis. Yog hais tias koj tau zoo ntsia, lub tsev yuav tsum tau sai li sai tau muab kev koom tes. Ces koj yuav tau mus rau qhov chaw. Tus nqi ntawm cov anode voltage rau ntau hom kev teeb yuav sib txawv, li ntawd, koj yuav tsum tau xaiv nws tus kheej.

povntawv ntawm

Yog hais tias koj tsis xav kom siv ib tug high-zoo capacitor, nws tseem tau mus thov K73-16. Nws yog tsim yog hais tias tus khiav hauj lwm voltage yog ntau tshaj li 350 volts. Tab sis lub suab zoo yog ntau zuj zus. Tsis tas li ntawd, electrolytic capacitors yog tsim rau qhov no voltage. Lub amplifier yuav tsum tau kev cob cog rua S1-65 oscilloscope thiab muab lub teeb liab, uas yuav tsum tau muaj los ntawm lub suab zaus generator. Thaum thawj zaug kev twb kev txuas yog tsim nyog los muab cov tswv yim lub teeb liab ntawm txog 10 MV. Yog hais tias koj yuav tsum paub lub nce, koj yuav tsum tau siv cov zis voltage. Yuav kom nrhiav tau qhov nruab nrab piv ntawm tsawg thiab siab frequencies, nws yog tsim nyog los xaiv lub capacitance ntawm lub capacitor.

Duab raj amp Hi-End koj yuav saib tau hauv qab no. Rau cov qauv no, nrog 2 teeb octal puag tau siv. Yuav kom lub tswv yim ntawm kev cob cog rua ob triode, uas yog kev cob cog rua rau hauv parallel. Cov theem kawg ntawm cov qauv no yog assembled rau lub tetrode 6P13S. Qhov no lub caij yog mounted transistor, uas tso cai rau koj mus tau ib tug zoo suab.

Yuav kom teem thiab ntsuam xyuas cov functionality ntawm lub dho ntaus ntawv, koj yuav tsum tau siv ib tug multimeter. Yog hais tias koj xav tau ntau yog qhov tseem ceeb, nws yog tsim nyog los thov lub sonic generator nrog ib tug oscilloscope. Thaum koj muaj npaum li cas lub uas tsim nyog kiag li lawm, koj yuav npaj mus rau configure. Thaum lub cathode, L1 qhia cov voltage ntawm txog 1.4 volts, nws yuav ua li cas yog koj siv ib resistor R3. Tam sim no tso zis raj yuav tsum qhia kom meej 60 ma. Mus ua ib tug resistor R8, thiab koj yuav tsum nruab ib tug khub uas thaum uas tig mus resistors mlt-2. Lwm yam resistors yuav siv tau rau ntau hom. Nws yuav tsum tau muab sau tseg haum tseem ceeb tivthaiv - ib tug coupling capacitor C3. Nws tsis yog rau ib yam dab tsi yog hais, vim hais tias qhov no capacitor muaj ib tug muaj zog cawv rau lub suab ntawm cov suab paj nruag. Yog li ntawd nws yog zoo dua siv proprietary radioelement. Lwm yam ntsiab C5 thiab C6 - zaj duab xis capacitors. Lawv yuav ua rau kom qhov zoo tshaj ntawm cov kis ntawm cov sib txawv frequencies.

Fais fab mov, ua rau kenotrons 5TS3S, tsim nyog nrhiav. Nws yog raws li nrog tag nrho cov kev cai ntawm kev tsim kho ntawm lub ntaus ntawv. Qhob Tube Amplifier Hi-End chav kawm ntawv hwj chim yuav high-zoo suab, Yog hais tias koj nrhiav tau yam khoom ntawd. Ntawm cov hoob kawm, nyob rau hauv lwm cov ntaub ntawv nws yog tsim nyog los saib rau lwm txoj kev. Nyob rau hauv cov ntaub ntawv no, koj yuav tau siv 2 diodes.

Rau lub raj amplifier Hi-End siv tau cov coj transformer uas twb siv nyob rau hauv lub qub flashlamp kos duab.

xaus

Yuav kom ua lub Tube Amplifier Hi-End nrog koj ob txhais tes, koj yuav tsum tau ua li qhia siv kuj thiab meej tag nrho cov kev txiav txim. Yuav pib, txuas lub hwj huam mov mus rau lub amplifier. Yog hais tias koj zoo zoo kho cov pab kiag li lawm, nws tseem tau mus rau Mount ib pre-amplifier. Tsis tas li ntawd, siv cov khoom uas tsimnyog siv yuav soj ntsuam tag nrho cov ntsiab nyob rau hauv thiaj li yuav tiv thaiv kom txhob puas tsuaj rau cov lus qhia. Tom qab los ua ke ntawm tag nrho cov ntsiab ua ke, koj yuav pib tsim lub ntaus ntawv. Rau cov ntaub ntawv tej zaum yuav zoo tuaj plywood. Yuav kom tsim tau ib tug txheej txheem qauv, nws yog tsim nyog los muab rau sab saum toj ntawm lub xov tooj cua hlab thiab transformers, thiab nyob rau hauv pem hauv ntej phab ntsa peev xwm yuav ua twb ntawm lwm yam uas. Nrog lawv, koj yuav tau ntxiv dag zog rau lub suab thiab pom lub hwj chim taw qhia.