Mitundu Yamachubu Opanda Zitsulo Zosapanga dzimbiri & Mafotokozedwe Awo.,Maloto a Gramophone #70: Sutherland Engineering SUTZ & Lounge Audio Copla preamp, Dynavector DV-20X2 ndi cartridge ya XX-2 MKII

Koma pamene ndikulemba gawoli la mwezi uliwonse, ndikufuna kumva mosiyana, monga kuyendetsa galimoto ya '70s Ford station wagon panjira ndikulemba ma motelo ndi malo opangira mafuta.Ulendowu unali wosangalatsa, wosavuta, wokhala ndi malingaliro abwino ndikuyima kumalo osungiramo zinthu zakale zamagalimoto, famu ya njoka ndi phanga la stalactite.

Mitundu Yamachubu Opanda Zitsulo Zosapanga dzimbiri & Mafotokozedwe Awo.

Machubu Opanda Zitsulo Zachitsulo

Machubu a Stainless Steel Coil amapangidwa motengera zomwe kasitomala akufuna malinga ndi kukula kwake ndi makulidwe a khoma, komanso chithandizo cha kutentha kwa ntchito zovuta kwambiri.Chubu chachitsulo chosapanga dzimbiri chimapangidwa motsatira API, ASTM, ndi ASME.Titha kuperekanso ma Coil Tube akulu akulu kuti agwiritse ntchito mwapadera.Zogulitsa zathu zimapezeka mumitundu yosiyanasiyana, makulidwe, magiredi, ndi kukula kwake.

Mitundu ya Stainless Steel Coil Tube

  • Chitsulo chosapanga dzimbiri 304 Coil Tube

SS 304 Coil Tube ili ndi chingwe chamafuta chomwe chimapangidwa kuchokera ku chubu chachitsulo chosapanga dzimbiri cha 304.Zimagwira ntchito bwino popanga mizere yamafuta amtundu umodzi popanda mgwirizano.Chitsulo chosapanga dzimbiri cha 304 welded chubu chimakhala chomangika pawiri kuti chizitha kuyaka mosavuta komanso kupindika.

  • Chitsulo chosapanga dzimbiri 316 Coil Tube

Stainless Steel 316 Coil Tube ndi chubu chachitsulo cha chromium nickel alloy chowonjezera molybdenum.Ili ndi kukana kwakukulu kovala ndi kung'ambika, komanso mphamvu yabwino kwambiri komanso kukana dzimbiri.

  • Chitsulo chosapanga dzimbiri 321 Coil Tube

Gulu la 321 ndi alloy austenitic alloy yomwe yakhazikika ndi titaniyamu.Imakhala ndi mphamvu yolimbana ndi dzimbiri ndipo imatha kugwiritsidwanso ntchito ngati steriliser.Machubuwa ali ndi kulimba kwa 217 Brinell ndipo amatha kupirira kutentha ndi utsi wambiri.

  • Chitsulo chosapanga dzimbiri 347 Coil Tube

SS 347 Coil Tubes (yomwe imadziwikanso kuti UNS S34700) ndi columbium ndi tantalum stabilized austenitic chromium-nickel chitsulo chosapanga dzimbiri chomwe chinapangidwa kuti chipereke mtundu wa 18-8 aloy yokhala ndi kukana kwa dzimbiri kwa intergranular.

Zofotokozera za Stainless Steel Coil Tube

Machubu athu a Stainless Steel Coil amabwera mosiyanasiyana, makulidwe, mawonekedwe, magiredi ndi miyeso ndipo amatha kudulidwa ndikupukutidwa kuti akwaniritse zosowa zanu.

  • Kukula: 1/16 "kufikira 3/4"
  • Kukula: 1NB, 1 1/2 NB, 2NB, 2 1/2 NB, 3NB, 3 1/2NB, 4NB, 4 1/2NB, 6NB
  • 40 X 40, 50 X 50, 60 X 60, 80 X 80.
  • makulidwe: 010″ mpaka .083”
  • Maphunziro: TP - 304, 304L, 316, 316L, 201
  • Utali: Single Random, Double Random & Cut Length.
  • Mapeto : Mapeto Osavuta, Mapeto A Beveled, Opangidwa ndi Threaded

Mwezi uno, ndiyenda mtunda wa makilomita angapo kutsika ndi odometer ya Ford ndikuwunika momwe Ron Sutherland amapangira zinthu zaposachedwa: $3,800 transimpedance dynamic preamplifier yotchedwa SUTZ.Panjira, ndibwereranso ku $ 1250 Dynavector DV-20X2 katiriji yamphamvu ndikuwona zomwe zingakhale zabwino kwambiri pamzere wa katiriji wa Dynavector: $2150 XX-2 MKII.
Pomaliza, ndipuma pang'ono, ndikutuluka mgalimoto, ndikudzidziwitsanso ndi Lounge Audio's $355 Copla preamp, yomwe ndakhala ndikugwiritsa ntchito mokondwera kuyambira ndikuwunikanso mu February 2018, koma sindinalembepo kuyambira pomwe ndikuwunikiranso.
Sutherland Engineering SUTZ Ndinakhala nthawi yambiri ndikuyesera kulingalira phokoso lonse la maginito a electromagnetic chifukwa cha kugwedezeka kwa ndodo yolumikizidwa ku mtundu wina wa koyilo mu mphamvu ya maginito.Ndinkaganiza kuti nyimboyo ikulendewera pachimake cha singano/cantilever/coil, kutambasula waya womangika ndikugwedeza koyiloyo kudzera m'mizere yosasunthika yopangidwa ndi maginito ang'ono kwambiri.Pamene mikomberoyo imadutsa mu mphamvu ya maginito ya maginito, mphamvu yamagetsi imasonkhezeredwa ndi utali wake.
Ndinaphunzira kujambula mbali ya malamulo a Faraday kusukulu ya pulayimale.Kusukulu ya sekondale, mphunzitsi wina anafotokoza lamulo la Lenz, lomwe linali lovuta kwambiri kulimvetsa kuti: “Kusinthasintha kwa mphamvu ya magetsi chifukwa cha kusintha kwa maginito kumapangitsa kuti mphamvu ya maginito ikhale yosiyana ndi kusintha kumene kunayambitsa.”
Chodabwitsa n’chakuti, lamulo la Lenz ndi kunyansidwa kwake kwa maginito kunabwera m’maganizo mwanga pamene ndinali kuyesa kulingalira mmene masiteji amawu olamuliridwa panopa angagwirire ntchito ndi chifukwa chake angakhudzire kulira kwa kaseti motere.Kukumbukira uku kunandipangitsa kunena kuti kukweza katiriji kacoil kamene kamayenda ndi kagawo kakang'ono kakang'ono (palibe voliyumu yolowera) kumakulitsa zomwe zikuyenda kudzera pa coil ya cartridge, zomwe zimakulitsa kuwongolera kwa malamulo a Lenz, potero kumachepetsa kuti mukwaniritse kusuntha komwe kungatheke. coil cantilever (mawu am'munsi 1).
Kenako ndidayesa kulingalira momwe damping yomwe ilipo pano ingafananize ndi kunyowa komwe kumaperekedwa ndi shunt resistor yachikhalidwe kutsogolo kwa siteji yogwira.Nthawi zonse ndimaganiza kuti kusiyana kulikonse pakulemetsa / kuyimitsa kumakhudza momwe cholembera chimayendera bwino zolembera, ndipo ndapeza kuti kusiyana pakuchepetsa (chilichonse kungakhale) kumayambitsa kusiyana pakutsata, groove. Phokoso, kumva kwa visceral Zomwe zimayambitsa komanso kusokoneza kwapakati.
Pakadali pano, ndaphimba magawo a phono omwe ali ofanana, osinthira masitepe osiyanasiyana, ndi magawo atatu a phono "transimpedance": Copla ya Lounge Audio ya $355, siteji ya phono ya Dynavector's P75 MK3 $895, ndi Sutherland Engineering's Little Loco ya. $3,800.
M'mbiri, kukoma kwanga pa kusewerera kwa phonograph kwakonda zosintha zapamwamba za nickel zomwe zimayesa kupitilira mlengalenga ndi ma filaments a RIAA tube EQs.Komabe, posachedwapa, ndakhala ndikungoyang'ana pazidziwitso zotsika kwambiri, zotsika kwambiri kuchokera ku Sutherland Engineering Little Loco zoyendetsedwa ndi phono magawo omwe ndakhala ndikugwiritsa ntchito ndi My Sonic Lab's low-output (0.3mV), low-impedance. (0 .6 ohm) Katiriji yamphamvu ya Ultra Eminent EX.Little Loco ikuwoneka kuti imathandizira pang'ono pang'ono katiriji yomwe imapereka.Poyerekeza ndi phokoso la Eminent EX pa siteji pa Parasound Halo JC 3+ phono siteji, nyimbo ya My Sonic-Loco inaseweredwa mokulirapo (potengera chithunzi ndi malo omveka) komanso yowongoka (potengera mawonekedwe ndi masikelo) - ndi phompho kumbuyo.Izi ndi zolemba zopanda pake.
Chifukwa chake mwadzidzidzi ndakhala ndikukakamira: ndingapeze bwanji chete kachetechete kakang'ono kakang'ono komanso ma microdata opanda tirigu popanda kukakamizidwa kusiya ukadaulo wa CinemaScope ndi RIAA's chubu stage?
Ndinafotokozera vuto limeneli kwa mnzanga Chad Stelly, amene anabweretsa vuto kwa mnzathu wapamtima Ron Sutherland wa Sutherland Engineering (mawu a m'munsi 2);Nthawi yomweyo Ron anayankha kuti, “Ndazithetsa!”Patapita mlungu umodzi, ndinalowa nawo.Kupanga kwaposachedwa kwa Ron, "SUTZ" transimpedance preamplifier, mpaka 47 kΩ yosuntha maginito ya Tavish Design Adagio all-tube phono stage.
Preamp ya SUTZ yochokera ku Sutherland Engineering imagwiritsa ntchito 17 x 2 x 13 ″ chassis yomweyo monga Little Loco preamp yomwe ndidafotokoza mu Januware 2022 stereophile.M'malo mwake, SUTZ imawoneka chimodzimodzi ngati Little Loco mkati ndi kunja.makonda atatu omwewo omwe adalowetsedwa ndi jumper ngati Little Loco.Nditafunsa kuti SUTZ idapindula chiyani, Ron adanditumizira imelo kuti ma SUTZ onse am'tsogolo apindule kasanu, koma adangondidzudzula.Transimpedance amplifier alibe "kupindula" chifukwa mayunitsi olowetsa (amps) samafanana ndi mayunitsi otulutsa (volts).“( mawu a m’munsi 3 )
Ndisanayambe, ndiyenera kunena kuti gulu la zigawo zomwe ndikugwiritsa ntchito ndizomwe ndimatcha dongosolo la "real-fi" la "real-fi": katiriji ya phono ndi transformer yowonjezereka yolumikizidwa ndi mkono wa 10.5 ″ Thomas.Schick Dr. Feickert Blackbird rotary EQ, Tavish Design Adagio phono stage kapena SunValley SV EQ1616D phono stage, Lab 12 Pre 1 line level preamp yolumikizidwa ndi Elekit TU-8600S SE amplifier (yokhala ndi machubu a Western Electric 300B), ya Falcon Gold.Pamawunivesite awa, ndimakumbutsidwa nthawi zonse momwe ndimakondera dongosololi komanso momwe limajambulira ndi mawu olondola komanso zojambulidwa zenizeni kuposa dongosolo lililonse lomwe ndapanga kuyambira pomwe ndidayamba kulembera Stereophile.
Dynavector DV-20X2 Popeza ndidawunikanso mu Gramophone Dreams #10, palibe kaseti mchipinda changa yomwe idasewera ma discs ambiri kuposa $1,250 Dynavector DV-20X2 wosewera wamphamvu.Ndakhala maola mazana ambiri ndikusewera pa ma turntables osachepera khumi ndi awiri.Imasewera momwe ndimakonda ma cartridges otembenuka: owoneka bwino, othamanga, komanso ozindikira.Ali ndi mojo-vivo yokwanira kupanga zojambulira zamphamvu ndi zodutsa zakuthwa ndi kuwombera, momasuka kwathunthu.Pamtengo uwu, makatiriji ochepa amatha kuchita zonsezi.Anthu ambiri sangathenso.
Ngakhale nthawi yonse yogwiritsidwa ntchito, 20X2 imakwanitsabe kupanga nyimbo zophulika koma zosangalatsa, mokhulupirika ndikubwezeretsanso nyimbo imodzi yabwino kwambiri komanso yotchuka kwambiri ndi katswiri wa zamalonda David Lewiston: Golden Rain LP "Ketjak: Ramayana Monkey Chant" (LP Nonesuch Explorer).H72028).Kusintha kwamphamvu kwa amonke 200 akuimba mogwirizana kunali kodabwitsa, ngakhale ndimadziwa kuti atsala pang'ono kufuula 'tak'.Amonke omwe ali pabwalo amapangidwa mozungulira mozungulira, zomwe zimamveka pang'onopang'ono.M'ndime zabata, diso lamaganizo langa limakonda kutchula malo omwe amonke amaimba kumapeto kwa mabwalowa.Pamene amonke anasiya kufuula, phokoso lozungulira m’bwalo linandipangitsa kuwona ndi kumva kukhalapo kwawo.Makatiriji okhala ndi mulingo uwu wa kuzindikira ndi osowa pamtengo wamtengo uwu.
Nthawi zonse ndikasewera "Monkey Chant" ndi Dynavector 20X2 MC, Sutherland SUTZ, ndi SunValley SV EQ1616D all-tube phono stage, ndinali wodabwa ndikudabwa ndi kumveka bwino, liwiro la mphezi, ndi mphamvu popanda kukayikira.zosakhalitsa zimachitika ndi mawu apadera komanso akuthwa ndi mipata yowonekera pakati pa mawu a woyimba.Kwa ine, uwu ndi mtundu watsopano wa wow!Mphindi: Zambiri za disk zomwe zilipo pano zimalimbikitsidwa ndi machubu a SunValley.
Dynavector XX-2 MKII Chad Stelly adakondwera nane m'mawu onena za "mgwirizano wodabwitsa" wa Dynavector XX-2 MKII dynamics ndi Sutherland SUTZ, kotero ndidalumikizana ndi Mike ku Toffco, wogawa wa Dynavector waku US, Prank (mawu am'munsi 4), yemwe amatsimikizira Zomwe Chad adawona kuti $2,150 XX-2 MKII mwina ndi "malo agolide" pamzere wa katiriji wa Dynavector.Ino ndi nthawi yosangalatsa kwambiri ya Dynavector.
Ndimakopekabe ndi makatiriji a Dynavector chifukwa chonena kuti amayang'ana kwambiri pulogalamu yaumisiri pachimake cha vuto: kapangidwe ka maginito.Webusaiti yawo ikufotokoza kuti: "Kuwerengera kwathu ndi kuyesa kwathu kwawonetsa kuti ngakhale kusinthasintha kwakung'ono kwambiri kungayambitse kusintha kwa mphamvu ya maginito yomwe ili mumpata wa mpweya, motero kusokoneza kusokoneza kwa chizindikiro."5 maginito m'malo mwa samarium-cobalt kapena neodymium-boron.Cholinga chodziwika cha Dynavector's patent "flux damping" ndi "soft magnetic field" ndikuchepetsa "kusinthasintha kosafunika kwa maginito".
Malinga ndi tsamba la Dynavector, XX-2 MKII imagwiritsa ntchito maginito a Alnico 5 (mawu am'munsi 5) chifukwa ali ndi mphamvu yamagetsi yamagetsi yomwe, poyerekeza ndi mitundu ina ya maginito, "imapanga mphamvu ya maginito yokhazikika ndipo motero imasunga kutulutsa kokhazikika. Voteji"..
XX-2 MKII ili ndi kukana kwapakati (6 ohm) ndi kutsika kwapakati pa 0.28 mV.Galimoto yake imakhala m'nyumba yolimba ya 7075 aluminiyamu ndipo katiriji imalemera magalamu 9.2.Kutsatira kumatchulidwa pa 10 µm/mN ndipo Dynavector amalimbikitsa katundu wochepa (30 ohms).
20X2 imagwiritsa ntchito cholembera chotseguka cha MicroRidge pa cantilever yapakatikati, pomwe XX-2, cartridge yotsika mtengo kwambiri pamzere wa Dynavector, imagwiritsa ntchito cholembera cholimba cha boron chokhala ndi cholembera cha Pathfinder chokhala ndi mzere wa 7 × 30 µm pansonga.Ine Ngati ndikukumbukira bwino, iyi ndi diamondi ya Ogura yomwe Lyra ndi Koetsu adagwiritsa ntchito.
Mawu a m'munsi 3: Kuzindikira mwaukadaulo kupindula kwa siteji ya phono sikovuta: ndikofanana ndi masiku onse, chiŵerengero cha voteji yotulutsa ku voliyumu yolowera kapena kutulutsa kwapano mpaka pano - sankhani imodzi mwazo.Koma si kuchuluka kwa chiwongoladzanja cha siteji ya phono yomwe ikulowetsa panopa, yomwe ntchito yake ndikusintha panopa kukhala magetsi.Pazida zotere, kufanana kwa thiransifoma sikungaletsedwe, mwina chifukwa chake Ron Sutherland adaganiza zotcha mankhwalawa SUTZ: amatha kuonedwa ngati mtundu watsopano wa thiransifoma, ngakhale siwosintha mwachizolowezi. nzeru.Chifukwa chiyani Z pamapeto?Mwina chifukwa njira yachibadwa yodziwira chipangizo cha transimpedance ndi chiŵerengero cha magetsi opangira magetsi omwe ali ndi mayunitsi a impedance, omwe nthawi zambiri amatchulidwa ndi chilembo Z. - Jim Austin Jun 30 '11 pa 12:01
Mawu a M'munsi 4: Dynavector Systems Ltd., 3-2-7 Higashi-Kanda Chiyoda-ku Tokyo 101-0031 Japan.Foni: +81 (0) 3-3861-4341.Webusaiti: www.dynavector.com US Distributor: Toffco, 2020 Washington Ave., Unit 314, St. Louis, MO 63103. Phone: (314) 454-9966.URL: dynavector-usa.com
Mawu a M'munsi 5: Manambala omwe amachokera ku "Alnico" amatanthauza zosakaniza zapadera za aluminiyamu, faifi tambala, cobalt, mkuwa ndi chitsulo.Alnico 5 imakhala yolemera kwambiri mu cobalt komanso maginito pang'ono kuposa ma aloyi ena a Alnico.Mulimonse momwe zingakhalire, magitala amagetsi okhala ndi zithunzi za Alnico 5 amakhala ndi zodulira zoyera komanso kamvekedwe kowala.— Jim Austin
$ 3,800 pa siteji ya phono yapamwamba kwambiri, yomwe ili yabwino kwambiri kuposa mtengo wamtengo wapatali wa $ 89,000 wa CH Precision P1 phono siteji ya phono yomwe inawunikiridwa sabata yatha.Ndipo "zikhoza" kumveka bwino pamtengo wa 24.
Ndikufuna kumvetsetsa momwe siteji ya phono ya transimpedance imamveka yotseguka komanso yamphepo ikadzazidwa ndi cartridge yotsika kwambiri.Zaka zambiri zamagawo a phono zandiphunzitsa kuti kutsitsa molakwika kumatha kusokoneza phokoso la cartridge.Chifukwa chiyani izi sizichitika ndi magawo a phono transimpedance?
Ganizirani izi ngati oyankhula otsika kwambiri omwe amawagwiritsa ntchito, amakoka / kukoka zambiri kuchokera pa amplifier, tiyeni tiyang'ane nazo, oyankhula osavuta kuyendetsa amakhala opepuka kuposa olankhula otsika.
Tidanyamula Supex SD900 ndi 1000 ohm, 500 ohm, 100 ohm, 50 ohm ndi 10 ohm, mawu oyera komanso otsitsa bwino kwambiri ndi 10 ohm, koma mumafunika kupindula kwambiri ndipo "ikhoza" kukhala yaphokoso ngati idapangidwa molakwika.

 


Nthawi yotumiza: Mar-11-2023