Ntawm technology, Gadgets
Lub stylus: txheej txheem cej luam, hom, yam ntxwv thiab kev txheeb xyuas
Thawj LP yog tsim los pab nyob rau hauv 1931. RCA engineers tau tiav lub playback ceev ntawm 33,33. / Min. Lub system twb nruab nrog ib tug chrome steel koob. Nyob rau hauv lub USSR, lub pickups yog muaj nyob rau hauv ob hom: electromagnetic thiab piezoelectric. Lub undeniable zoo sawv tawm ua ntej, tab sis loj zus tau tej cov forged Secondly, raws li cheaper. Ua raws li nram no stylus:
- SLC-661 (nyob rau hauv niaj hnub kev lag luam - GEA-311);
- GZKU-631 (tam sim no - GPZ-301C).
theoretical kev taw qhia
Cov cartridge yog tsim los kho tshuab deeg hloov mus rau hauv hluav taws xob. Lub suab zoo yog txiav txim tau los ntawm yuav ua li cas zoo lub stylus. Thaum tuaj tos taub hau system mounted rau ntawm caj npab, nws nta thiab cov yam ntxwv yuav ua ke nrog cov khoom ntawm MSG.
Nrog budgetary cov txheej txheem, pointless txawj tej yam ntxiv cov kws koj tus kheej, tsim kom muaj ib tug high-precision tuag. Yog hais tias lub koob yog cov cartridge thiab tonearm tshuav nyiaj li cas, cov ntaub ntawv suab nplua nuj, kom lub nuances ntawm lub suab xim.
Pickup ua hauj lwm raws li nram no: lub koob fluctuates thaum lub sij hawm tso cai ntawm lub phaj, tus ntaus ntawv pauv zog mus rau hauv hluav taws xob deeg kis tau los ntawm cov amplifier thiab tham system. Dhau li ntawm tus saum toj no hom, invented:
- photovoltaics;
- capacitive.
Txhua tsim txawv zoo zog thiab kev qaug zog. Niaj hnub no ua electromagnetic transducer. Lawv tsim muaj xws li:
- magnet;
- lub suab kauj.
tsis
Lub stylus yog tsiag ntawv los ntawm cov nram qab no tsis:
- lub nias quab yuam;
- ntau zaus;
- ceeb thawj.
Los ntawm cov lus nyob ntawm seb yuav ua li cas raws tau muab ua si nyob ib leeg, tsis muaj allergic.
Suab nrov thiab teeb liab
Sib Nqus hau raug muab faib mus rau hauv:
- Tsiv Magnet (MM);
- ib tug movable kauj (MS).
Tsawg-end qauv thiab qhov nruab nrab theem ntawm cov khoom haum nrog ib tug mus-hlau nplaum, lub yas dhos thaum Identify deeg nyob rau hauv kev sib cuag nrog nws. Raws li cov hlau nplaum xyaum, tab sis muaj ib tug ruaj khov inductance kauj, ib tug alternating magnetic teb, triggering ib electromotive quab yuam. Qhov zoo ntawm tus tsim:
- tsis ntau lawm;
- tso zis voltage nce mus txog 0.8 MV.
Cov cartridge koob loj, bulkier lub taub hau nyob rau hauv Feem ntau, ntau dua qhov lub inertia ntawm lub cev, xws li, decreases playback hais lus. Nws suffers los ntawm siab zaus tu tub tu kiv zoo deteriorates channel sib cais. Lub mechanism tau txais ib tug load uas yuav tsum tau txhim kho capacitive phono theem.
MS - lub taub hau turntable, uas initiates ib tug mus tas magnet teb. Lub electromotive quab yuam ntawm cov kauj yog txhais los ntawm lub zog. Txij li thaum cov hlau nplaum tsis txav, ib tug loj installation tivthaiv tsis ua rau ib tug deterioration nyob rau hauv lub playback tsis. Lub magnetic teb yuav uniformity, nrhiav distortion. Tej yam me me stylus yas muab zoo dua teeb liab kis tau tus mob.
Ib tug disadvantage ntawm lub system - cov txo zis voltage. Koj muaj peev xwm txuas tsis tau ib tug phono cartridge, thawj muaj mus ntxiv rau hauv Circuit Court transformer. Neeg uas ua ntawv zoo ua hauj lwm yog tias shielded los ntawm spurious cuam.
Lwm qhov txawv nruab nrab ntawm tus MC thiab MM hau - technology tivthaiv hloov. MM-hloov system ntawv tso cai ua ke nrog ib tug magnet. Ua li no yuav ua tau nyob rau hauv tsev, tsis muaj ntau npaum li cas kev. MS-lub taub hau yuav muaj coj mus rau ib tug kho kav los yog xa mus rau lub chaw tsim tshuaj paus.
Tab sis sharpening lub stylus tswv yim mas feem ntau yog elliptical nyob rau hauv ob hom ntawm hau. Qhov no tsim nthuav dav yuav pab txo suab distortion ob zaug. Nthuav cov zaus spectrum muaj rau cov neeg uas ua ntawv.
Cov koob yog nyob rau hauv lub ntsiab lus
Lub cev deterioration yog xam los ntawm tshuaj ntsuam lub meej nyob rau hauv lub tshuab kuaj kab mob. To taub hais tias nws yog lub sij hawm los mus hloov lub radial koob, koj yuav pom nws kaw ib daim hlab nyob rau hauv qhov chaw nyob qhov twg cov khoom yog nyob rau hauv kev sib cuag nrog lub phaj. Yog hais tias cov khoom yog hnav, nws yuav voos. Relations koob yooj yim yuav liam kim vinyls.
Cov ntaub ntawv noog av nyob rau hauv lub grooves, ua abrasive khoom. Lub siab dua thawj zaug abrasive zog thiab cov ntev phaj yog ua, tus ceev cov system ris. Thaum xaiv ib yam khoom, xyuas kom tseeb tias hais tias cov chaw tsim tshuaj paus muaj ib tug kev pab cuam lub neej ntawm qhov chaw. Advantageously tsim cov txheej txheem raws li cov kev ua si melodies 500-1000 teev.
Lub degree ntawm coj tsis yeej ib txwm sib haum mus rau lub passport. Thaum kawg ntawm lub thov txhiab tus ua hauj lwm teev system tsis poob lub peev xwm rau cov me nyuam lub suab, tab sis nws zoo yog deteriorating. Dig muag, ntsuam xyuas cov neeg kawm ntawv ntawm deterioration yuav ua tau nyob rau hauv lub tshuab kuaj kab mob:
- cuam;
- hluav taws xob.
Ua qhov kev hloov, ua ib tug siv cov ntaubntawv povthawj siv los ntawm qhov chaw kawm me ntsis 96kHz / 24bit. Qhov no yuav pab tom qab lub sij hawm ntawm lub lag luam los sib piv lub suab zoo.
qauv
Ib tug ntawm cov niaj hnub cov neeg sawv cev ntawm lub low-end - lub stylus MF 100. Tus nqi - txog ib tug thiab ib tug ib nrab txhiab rubles. Qhuav lub tuam txhab - Japanese Stylus Co. Nthuav dav yog sib xws nrog lub Soviet players.
Lub stylus Unitra ua nyob rau hauv teb chaws Poland. Maximum nrov khoom - 80-ies ntawm XX caug xyoo. Haum rau installation rau ntawm Polish thiab Soviet players. Tus nqi mas nws txawv ntawm ib tug thiab ib tug ib nrab rau ob txhiab ib chav tsev. Kuv tau theej los ntawm lub Dutch "Tonorel".
niaj hnub koob
Nce rhiab heev yam ntxwv qauv Denon DL 110. Nyob rau hauv lub tswv yim kuj 30 ohms. Nyhav nrog lub taub hau - 6.2 g, tus nias quab yuam ntawm lub siab tshaj plaws - 2.4, kev muaj hau ntswj fastening nyob rau qib. Piezoelectric damper. Qhov zoo ntawm tus qauv:
- koj yuav muab tso rau hauv lub radiogram;
- maj lag luam ntawm lub phaj.
Nqe - txog 33,000 rubles.
Thov Koob Denon DL 115. Khoom Tsis:
- qhov siab - 15 hli;
- Kuj - 38 ohms;
- downforce - 2.3 g;
- tsis txaus ntawm 2.3 dB.
Koob hlau, yas cartridge lub cev. Qhov nruab nrab nqi - 24,000 rubles.
Joint txoj kev loj hlob ntawm lub Japanese thiab New Zealand manufacturers - Te Kaitora. Khoom nqi - 25,000 rubles. nta:
- lub taub hau ua los ntawm titanium;
- downforce - 1.8-2.2 g;
- voos kheej-kheej taub hau - 7 x 30 microns.
Hais txog 1500 rubles muaj nqis replaceable koob Suab-Technica AT92ECD. Nws nyhav 0.3 ooj, muaj ib tug loj ntawm 8 * 1 * 6 nti. Cov khoom no yog ua nyob rau hauv lub teb chaws USA. Haum rau elliptic cartridges.
Xyuas ntawm GZM
GZM-105 - cov khoom, muaj nuj nqis los ntawm cov tub txawg. Khoom conical, uas eliminates coj daim hlau. Ib tug haib magnetic damper, cov muaj hau ntswj, lub piezoelectric caij. Tswv yim los ntawm cov neeg siv ntawm tej khoom yog txhim khu kev qha thiab check.
Qhuas tus cia siab rau ntawm koob mounted nyob rau hauv lub taub hau GZM-133. Capacitive pickups nruab nrog ib tug damper thiab compact piezoelectric caij. Txawm muaj nquag siv ntawm lub phaj, yog hais tias tus neeg uas ua ntawv yog mounted lub caij, nws ris maj mam.
Summing li
Thaum xaiv ib rab koob, xyuam xim rau ntau npaum li cas nws spoils cov ntaub ntawv, yog nws permissible rau tus nyob rau hauv lub tsev, muaj ib co pickups thiab players ua ke cov khoom. Khoom yog tsis pheej yig, tus nqi ntawm ib co khoom - kaum ntawm txhiab ntawm rubles. Yog hais tias qhov nruab nrab theem ntawm cov nqi yog hom twg txog 2-4 txhiab ib daim ntawv. Muaj pheej yig heev - rau 500-800 rubles. Txuag los yog qiv ib rab koob siv yav tas los, yog tsis pom zoo. Nco ntsoov hais tias ib tug phem ib feem irreparably lwj lub phaj.
Feem ntau cov pickups yog tam sim no ua nyob rau hauv Nyiv. Muaj ntau haum Soviet turntables. Tsis txhob hnov qab mus qhia kom meej rau compatibility ntawm cov khoom thaum purchase.
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