Qhov zoo tshaj plaws raj amplifier: nta thiab xyuas

Muaj ntau suab paj nruag lovers xav mloog koj nyiam tunes siv lub tshuab nqus tsev raj suab amplifiers. Yuav ua li cas yog lub tseem ntawm cov pab kiag li lawm? Raws li kev koj yuav xaiv tau pom qauv ntawm cov coj ntaus ntawv?

Yuav ua li cas yog nthuav raj tso suab amplifier?

Amplifier - nws yog ib qhov tseem ceeb Cheebtsam ntawm lub acoustic infrastructure, uas yog lub luag hauj lwm rau ua lub hwj huam ntawm lub teeb uas los ntawm lub suab qhov twg los, lub sib nug xov switching pab kiag li lawm, ntim hloov, raws li zoo raws li cov kis ntawm lub teeb liab, lub hwj chim uas yog siv tam rau lub suab khoom ua si melodies.

Lub raj amplifiers raws li ib tug tseem ceeb ntawm circuitry siv xov tooj cua hlab. Lawv ua tau cov nuj nqi ntawm reinforcing ntsiab. Feem ntau, raj amplifiers muab ib tug tsawg dua theem ntawm distortion. Raws li muab sau los ntawm ntau lub suab paj nruag kiv cua, rau qhov cov pab kiag li lawm yog yus muaj los ntawm ib tug sov so, mos mos ua si tunes - tshwj xeeb tshaj yog thaum uas ua si nruab nrab thiab theem siab frequencies.

Ib qho tseem ceeb kom zoo dua ntawm lub raj amplifier - nyob rau hauv muab kev pab, nyob rau hauv Feem ntau ib tug richer suab nyob rau hauv kev sib piv, piv txwv li, ib tug transistor ntaus ntawv. Qhov no yog tau vim tias ntawm cov khoom nws lub teeb nws tus kheej, uas, piv txwv li, nruj heev heev rau cov ua haujlwm tsis muaj koom haum pab kev kho uas yuav tsum tau los pab txhawb cov kev ua hauj lwm, nyob rau hauv lem, semiconductor pab kiag li lawm.

Ib leeg-tas thiab thawb-pull ntaus ntawv

Tube kua zaub feem ntau zais rau hauv ob lub ntsiab pawg - Class A thiab Chav Kawm AB. Tus thawj xa mus rau ua ib-tas. Lawv tsim kho lub reinforcing ntsiab los kom lub peev xwm ntawm ob ib nrab-tsis nyob rau hauv lub teeb liab - ob qho tag nrho cov zoo thiab tsis zoo. Ob txhais kua zaub yog tseem xa mus rau raws li ob-mob stroke. Lawv txhua tus tom ntej theem yuav ua lub hwj huam ntawm kev koom tes ntawm txawv hais - ib tug yuav tsum tau lub luag hauj lwm rau qhov zoo ib nrab-yoj, thaum lub lwm yam - rau tsis zoo. Class AB amplifiers yog feem ntau ntau yig thiab zoo dua, feem ntau - ntau haib. Tab sis nyob rau hauv no tau nyob rau hauv lub audiophile puag ncig tej zaum muaj kev sib tham.

Xam tias yog kua zaub nyob rau hauv ntau yog cov ntau ntau kim khoom hauv lub xeev counterparts, txawm lub fact tias lawv tsim yog heev yooj yim. Muaj ntau suab paj nruag lovers sib sau ua ke cov ntaus ntawv rau koj tus kheej - tab sis yog koj yuav tsum tau sim mus nrhiav qhov zoo tshaj plaws raj amps Circuit Court - on 6P3S, piv txwv li, los yog lwm yam nrov teeb. Rau connoisseurs ntawm cov suab paj nruag ua si nrog cov kev pab los ntawm pab kiag li lawm nyob rau hauv kev saib xyuas, feem ntau me yog lawv cov nqi - yog hais tias nws yog txiav txim siab tsis mus sau lub hwj chim, thiab yuav nws. Txawm li cas los, tus yam ntxwv, ntawm chav kawm, ua si ib tug tseem ceeb luag hauj lwm yog kawg yuav nyob rau hauv cov kev xaiv ntaus ntawv. Xav txog ces, dab tsi lawv yuav tsum tau, raws li tau zoo raws li cov piv txwv ntawm nrov qauv ntawm qhov kev tsim nyog hom kiag li lawm.

Amplifier prologue EL34: nta thiab xyuas

Raws li cov kws txawj, qhov zoo tshaj plaws raj amplifier, los yog tsawg kawg yam rau cov thawj coj ntawm lub duas paub txog kev paub (ntawm cov neeg uas yuav mus rau qhov uas tsis muaj-end ya) - tus ntaus ntawv prologue Classic EL34. Qhov no ntaus ntawv yuav khiav lag luam siv ob hom teeb - ua tau EL34 los yog KT88. Nyob rau hauv cov ntaub ntawv no rau tus neeg siv optionally siv reconfiguration ntawm lub amplifier.

Raws li cov kws tshwj xeeb - xyuas, xav lawv lub tswv yim, muaj peev xwm yuav nrhiav tau nyob rau ntau thematic portals - ib qho ntawm lub ntsiab zoo yog nws devaysa khoom interface, pub pub mov rau load rau hauv lub teeb ntseeg nkaws, uas tsub kom nws pab lub neej. Lub amplifier yog txawm peem rau nrog ib tug zoo volume tswj. Tus ntaus ntawv muaj ib tug kuj loj muaj peev xwm, uas yog 35 watts.

amplifiers Triode

Lwm amplifier teej tug mus rau hauv qeb ntawm cov nyiaj txiag - ib tug ntaus ntawv TRV-35, manufactured los ntawm tus Japanese hom Triode. Lub fact tias nws yog tuaj txoos ua ke nyob rau hauv Nyiv, lom zem ntau thiab txiav txim seb qhov zoo tshaj ntawm cov duas paub cov khoom. Lub amplifier yog ntau yam - tej zaum nws yog qhov zoo tshaj plaws raj amp nyob rau hauv nws ya nrog no tus taw tes ntawm view. Teeb txawb uas yuav siv tau rau ib tug ntaus ntawv - EL34, nyob rau hauv tej rooj plaub, tej zaum kev koom tes ntawm cov ntsiab ElectroHarmonix, ua nyob rau hauv Russia.

Raws li kws txawj, cov feem ntau tseem ceeb nta ntawm lub amplifier nyob rau hauv kev saib xyuas - lub peev xwm mus txuas rau lub neej tshiab nimno tsev ua yeeb yam.

Lwm zoo-paub cov khoom no yog lub Japanese hom Triode - ntaus TRX-P6L. Raws li muab sau los ntawm ib co kws txawj, qhov no ntaus ntawv - qhov zoo tshaj plaws raj amplifier rau Triode ntau nyob rau hauv cov nqe lus ntawm functionality. Yog li, yog tam sim no, nyob rau hauv particular, plaub-kab hom equalizer, uas yog tsim los rau optimize lub suab suab tunes rau cov acoustic puag ncig nyob rau hauv lub chav tsev, raws li zoo raws li lub tsis siv los ntawm lub suab tshuab. Tus ntaus ntawv, nyob rau hauv cov lus nug, cia koj siv ntau pawg ntawm cov teeb - EL34, 6L6, KT88 zoo li. Lub apparatus yog txawm peem rau nrog ib tug rov qab xws tob ntawm kev sis raug zoo. Lub amplifier tau khiav lag luam nyob rau hauv ob hom - lub triode thiab ultralinear.

Lwm zoo kawg li ntaus ntawv yog muag nyob rau hauv lub hom Triode - Amplifier VP-300BD. Muaj ntau suab paj nruag lovers yuav muab ib qho lus nug: "ib leeg-twb los thawb-pull raj amp - uas yog ib qho zoo?" Lawv muaj peev xwm, los xaiv precisely VP-300BD, uas koom rau pab kiag li lawm ntawm cov thawj hom nyob twj ywm txaus siab heev mas yuav kis tau ntaus ntawv. Saib ntaus ntawv - triode, yog dej num raws li ib tug amplifier qhib. Nws yuav muab sau tseg tias cov qhov tso zis theem ua hauj lwm triode ntaus 300B, uas yog dej num raws li filamentary.

Suab tshawb fawb VSi60

Ntawm cov nto moo tshaj plaws hom manufacturers ntawm raj amps - American li Audio tshawb fawb. Qhov tseem technologically advanced ntawm nws cov khoom xws li ntaus ntawv VSi60. Muaj ntau suab paj nruag lovers paub tseeb tias qhov zoo tshaj plaws raj Amps transistor, thiab manufactured los ntawm cov American lub tuam txhab tso cai rau lub ntaus ntawv mus rau nam ib tug weighty sib cav nyob rau hauv dej siab ntawm tus pab kiag li lawm ntawm cov thawj hom: raws li kws txawj, suav hais tias yog amplifier muab lub impressive scale ntawm lub suab, nws yog piv rau cov kev ua tau zoo ntawm transistor pab kiag li lawm. Lub ntsiab teeb ua haujlwm nrog cov US unit, - KT120. Volume tswj nyob rau hauv qhov suav hais tias hluav taws xob amplifier.

Amplifier Unison tshawb fawb

Lwm zoo-paub hom chaw tsim tshuaj paus ntawm pab kiag li lawm, xa mus rau - Unison tshawb fawb. Qhov zoo tshaj kev daws teeb meem uas yog tsim los no li xws li hwj chim S6. Tej zaum nws - qhov zoo tshaj plaws raj amplifier, los yog tsawg kawg hais txog qhov kev daws teeb meem, nyob rau hauv cov nqe lus ntawm ib tug ua ke ntawm cov yam ntxwv uas yog peculiar rau pab kiag li lawm ntawm cov chav kawm ntawv A: ib tug muaj hwj huam ntawm 35 W thiab ib tug tseem ceeb damping tau. Lub apparatus siv 2 filamentary transistor pov tseg nyob rau hauv txhua channel.

Raws li kws txawj, suav hais tias lub amplifier muaj lub siab tshaj plaws suab zoo nyob rau hauv cov nqe lus ntawm kev nthuav dav thiab clarity ntawm lub song cov ntaub ntawv.

Cov nram qab no zoo-paub cov khoom, marketed nyob rau hauv lub hom Unison tshawb fawb - P70 amplifier. Nyob rau hauv lem, nws yog ib tug ob-mob stroke. Music kiv cua twb xav yog vim li cas ib leeg-tas raj amplifier plays zoo dua ib tug ob-mob stroke, ib txhia hloov lawv cov xaav ntawm cov hauj lwm zoo ntawm cov pab kiag li lawm los mloog music thaum siv cov qhia ntaus ntawv. Developers amplifier P70 yuav kom ib kws muaj suab zoo ntawm ib tug heev impressive ntaus hwj chim - ntau tshaj 70 watts.

Raws li kws txawj, tus ntaus ntawv yuav tsum tau txuas mus rau lub acoustic infrastructure, txoj kev ua heev ib impressive load. Tus ntaus ntawv nyob rau hauv lo lus nug no kuj tsiag ntawv los ntawm versatility ntawm ib hom ntawv nyeem. Yog hais tias peb xav txog qhov zoo tshaj plaws raj amplifiers mloog pob zeb lub suab paj nruag - lub ntaus ntawv P70 rightly ntaus nqi mus rau ib tug uas daws teeb meem.

Ntawm cov paub ib-twb khoom muag nyob rau hauv lub hom Unison tshawb fawb - ntaus Preludio. Nws kuj ua hauj lwm nyob rau hauv chav kawm ntawv A. Muaj ntaub haib tetrode KT88. Devaysa hwj chim yog 14 watts. Yog li ntawd, lub amplifier yuav tsum tau ib tug acoustic infrastructure, muaj txaus siab rhiab heev.

McIntosh

Lwm zoo-paub hom tshuaj uas ua amplifiers - US li McIntosh. Muaj ntau suab paj nruag lovers wondering - dab tsi yog qhov zoo tshaj plaws raj amplifier, feem ntau nyob qib qub lub siab tshaj plaws cov khoom uas zoo nrog raws nraim lub ntaus ntawv, uas yog ua nyob rau hauv lub hom McIntosh. Qhov no lub tuam txhab - cov feem ntau coj los nyob rau hauv lub ntiaj teb no ntawm suab khoom manufacturers nyob rau hauv lub ya ntawm Hi-End.

Nws kuj yuav raug muab sau tseg tias cov khoom ntawm lub McIntosh MC275 thawj nyob rau hauv kev ua lag luam nyob rau hauv 1961. Txij thaum ntawd los, nws tau raug muab los siv ib tug xov tooj ntawm kev txhim kho, tiam sis nws tseem manufactured nyob rau hauv lub historic lub npe. Nyob rau hauv hauv paus ntsiab lus, lub hwj chim no belongs rau lub legendary ntaus ntawv, ib tug ntawm qhov zoo tshaj plaws cov khoom nyob rau hauv lub ntiaj teb no nyob rau hauv lub ya ntawm Hi-End. Tus ntaus ntawv siv KT88 teeb. Amplifier hwj chim yog 75 watts nyob rau hauv lub tso suab playback hom.

Suab ceeb toom

Lwm zoo-paub hom nyob rau hauv kev ua lag luam amplifiers - Suab faj seeb. Ntawm nws cov feem ntau nrov khoom - Meishu Phono. Tej zaum qhov no yog qhov zoo tshaj plaws raj amp nyob rau hauv nws ya, yog tias pom tau hais tias tsim nyog pab kiag li lawm xav txog kev ua raws cai nrog lub purity ntawm technology. Yog li ntawd, nws tsis yog muab kev koom tes nyob rau hauv ib yam ntawm cov semiconductor. Nyob rau hauv cov qauv ntawm cov fais fab mov yog tam sim no devaysa transformer 3, 3 kenotron thiab 2 throttle. Nyob rau hauv lub tso zis theem transistors yog siv 300B. Nyob rau hauv lub xub ntiag ntawm ib tug zoo amplifier tsim raj phono theem. Saib ntaus ntawv muaj ib tug ncaj coj lub hwj chim, uas yog 9 watts. Cuaj kaum, tus ntaus ntawv yog tsis tau tshaj ntau niaj hnub hom sab nraum zoov acoustic khoom.

Txiav txim seb qhov zoo tshaj plaws lub tshuab nqus tsev raj suab amplifier raws li nyob rau hauv lub subjective xaav ntawm nws ua hauj lwm yog ib qhov nyuaj. Txawm li cas los, los ze zog mus rau lub tov ntawm xws li ib tug teeb meem yog los sib piv tej yam qauv ntawm pab kiag li lawm rau ntawm lub ntsiab yam ntxwv thiab analyzed cov tsis.

Xaiv qhov zoo tshaj plaws amplifier: ib tug sib piv qauv tsis

Uas tsis yuav suav hais tias raws li lub ntsiab? Yuav ua li cas mus nrhiav tau niaj hnub ua hauj lwm, cov tseem ceeb tshaj plaws yam ntxwv nyob rau hauv cov ntaub ntawv no tej zaum yuav:

- muaj hwj chim;

- ntau zaus ;

- lub theem ntawm harmonic distortion;

- tus piv ntawm lub teeb liab thiab cov suab nrov;

- Kev them nyiaj yug kev sib txuas lus qauv;

- lub theem ntawm lub zog noj.

Nyob rau hauv lem, cov tsis muaj peev xwm yuav mapped ntawm tus dais nqi.

Xaiv amplifier: hwj chim

Nrog hais txog mus rau tus thawj parameter - muaj peev xwm, nws muaj peev xwm yuav sawv cev nyob rau hauv lub thoob plaws ntau yam. Pom rau feem ntau cov hom phiaj, tsiag ntawv los ntawm kev siv ntawm ib tug raj amp, yog ib daim duab ntawm qhov kev txiav txim ntawm 35 watts. Tab sis muaj ntau yam suab paj nruag lovers yog txais tos nce nyob rau hauv no muaj nqis - piv txwv li, mus txog 50 watts.

Txawm li cas los, muaj ntau yam niaj hnub siab kua zaub coj hom kev ua hauj lwm zoo kawg nkaus thiab ntawm lub hwj chim ntawm txog 12 watts. Ntawm cov hoob kawm, nyob rau hauv Feem ntau lawv yuav tsum tau txuas mus rau high-kev ua tau zoo acoustic infrastructure. Tab sis txoj kev siv cov zoo suab khoom - ib qho ntawm lub yuav tsum tau siv cov cwj pwm, nyob rau hauv qhov tseeb, lub pab kiag li lawm nyob rau hauv nqe lus nug. Yog vim li cas ib tug raj amp yog zoo dua qhov niaj hnub versions ntawm pab kiag li lawm - cov lus nug no yog tsis yog tshwj xeeb tseem ceeb rau ntau music lovers, raws li lawv tau hais ntau ntau zaus pom nyob rau hauv kev xyaum nyob rau hauv lub hom phiaj superiority ntawm lub duas paub pab kiag li lawm nyob rau hauv tseem ceeb tsis. Thiab vim hais tias kev kuaj thiab kev siv tswv yim ntawm kho qhov muag amplifiers, lawv tseem tabtom mus nqa tawm ib tug pre-npaj cov khoom uas raws li lub siab tshaj plaws xav tau.

zaus

Hais txog cov zaus cov yam ntxwv ntawm cov amplifier - yog ib co ntshaw kom muaj nyob rau hauv ib tug ntau yam ntawm 20 mus rau 20 txhiab Hz .. Txawm tias, nws yuav tsum tau muab sau tseg, yog heev tsawg niaj hnub pab kiag li lawm ntxhab nyob rau hauv lo lus nug, xa mus rau lub ciaj uas muag ntawm amplifiers uas tsis tau raws li qhov qauv tshau. Nws yog ib qhov nyuaj rau nrhiav khoom nyob rau hauv lub ya ntawm Hi-End, uas tsis heev nyob rau lub teev zaus tsis. Xijpeem, thaum koj yuav tau ib tug raj amp, piv txwv li, los ntawm ib tug me ntsis-paub hom, nws yuav ua rau kev txiav txim zoo mus saib lub ntau yam nyob rau hauv uas nws txhawb lub zaus.

harmonic distortion

Nrog kev xav txog harmonic distortion, nws yog ntshaw uas lawv tsis pub tshaj 0.6%. Ua tau, qhov no daim duab yog tsawg tshaj li - lub zoo dua cov suab. Qhov zoo tshaj plaws raj amplifier nyob rau hauv ib tug ya yog feem ntau txiav txim feem ntau nyob rau hauv lub hauv paus ntawm kev ntsuas ntawm harmonic distortion. Tam sim ntawd nws yuav tsum tau muab sau tseg tias coj daim duab - tsis tseem ceeb tshaj plaws nyob rau hauv cov nqe lus ntawm kom zoo suab zoo. Txawm li cas los, qhov no parameter characterizes lub teb ntawm cov acoustic tswv yim teeb liab mus rau lub infrastructure. Es nyuaj nyob rau hauv kev xyaum mus qhia zaj stimulation tshua thaum ntsuas raws li nws yog ua li cas thaum lub sij hawm playback tiag Pib ntsais koj teeb. Tab sis niaj hnub hom manufacturers ntawm raj amplifiers tseem tabtom los xyuas kom meej tias cov qis tshaj tus nqi ntawm harmonic distortion. Khoom kim heev qauv pab kiag li lawm muaj peev xwm ntawm muab nws nyob rau ib theem tsis tshaj 0.1%. Ntawm cov hoob kawm, cov nqi yuav incomparably siab tshaj competing qauv nrog ib tug ntau dua THD, tab sis rau audiophile qhov teeb meem nqi nyob rau hauv cov ntaub ntawv no tej zaum yuav theem nrab tseem ceeb.

Lub teeb liab-rau-suab nrov piv

Cov tom ntej no parameter - tus piv ntawm teeb liab mus rau suab nrov, niaj hnub raj amplifiers feem ntau sau raws nkaus Ii daim duab ntawm 90 dB los yog ntau tshaj. Nyob rau hauv Feem ntau, qhov no tus nqi yuav suav hais tias heev thaum muab piv cov yam ntxwv ntawm ntau yam pab kiag li lawm, txawm yog tias muaj tuaj nyob rau hauv sib txawv theem. Yog li ntawd, yog hais tias tus neeg ua hauj lwm - xaiv ib tug zoo ib-lug raj amplifier los yog, piv txwv li, thawb-rub, xav txog qhov chaw yuav tsis yeej ib txwm objectively muaj kev cuam tshuam lub competitiveness ntawm ib tug ntaus ntawv. Tog twg los txoj kev, ntau dua qhov lub coj daim duab - zoo dua. Nws yog ntshaw tias nws yuav tsis muaj tsawg tshaj li 70. Ib txhia saum toj amplifier qauv muab ib lub teeb liab mus suab nrov piv rau ib theem ntau tshaj 100 dB. Tab sis tus nqi ntawm lawv, raws li nyob rau hauv cov ntaub ntawv ntawm harmonic distortion, yuav ua tau impressive.

lwm yam kev xaiv

Tus lwm yam tsis - kev pab txhawb nqa los ntawm ntau yam kev sib txuas lus qauv, lub zog noj, yog ib qho tseem ceeb tab sis theem nrab. Yuav kom lawv nws ua kom paub them sai sai mus rau lwm cov yam uas tau sib npaug zos rau cov ntsuas uas peb tau kawm saum toj no. Xijpeem, rau hnub no tus raug amplifier yuav suav hais tias kev them nyiaj yug ib tug txaus tus naj npawb ntawm lub tso suab officers - txog 4, suab tso zis rau lub suab txias. Hais txog lub zog - nws zoo npaum li cas yog hais txog 280 watts.

Ntawm cov hoob kawm, thaum twg yog xav tau ib tug raj amplifier zoo ua si lub luag hauj lwm ntawm ntau subjective yam. Feem ntau cov feem ntau, suab paj nruag lovers yog soj ntsuam nyob rau hauv raws li Kua zaub, raws li nyob rau hauv lawv: tsim, tsim zoo, lub suab theem indicators ergonomics.

Tag nrho cov saum toj no tsis muaj peev xwm muab piv nrog rau cov nqi ntawm ntaus ntawv uas yuav tsum tau sawv cev nyob rau hauv ib tug heev ntau yam ntawm qhov tseem ceeb. Tab sis tus neeg uas tsis muaj ib tug tshwj xeeb cov teeb meem tshaj ib tug raj amp transistor yog zoo dua, vim hais tias nws paub cov lus teb rau nws, tus nqi, raws li peb sau tseg saum toj no, yuav tsis tas yuav ntshai li lub tseem ceeb tshaj plaws txog kev paub thaum xaiv devaysa miv mloog koj nyiam tunes.