Alek5 Posted February 9, 2019 Report Share Posted February 9, 2019 @Vlajo Nema griška.. Quote Link to comment Share on other sites More sharing options...
Mil@n Posted February 9, 2019 Report Share Posted February 9, 2019 Evo da se pohvalim, u pitanju je AVR X1500H Slobodni ste da mi pomognete oko odabira 5.1 sistema za 300, 350e na adekvatnom topiku u "šta kupiti" podforumu... A kad uzmem zvučnike planiram invaziju na "pitanja za početnike" podforum Quote Link to comment Share on other sites More sharing options...
Bujodrag Posted February 9, 2019 Report Share Posted February 9, 2019 Eto, konačno i ovde Glas Razuma(n) činele kupuj a ne HiFi. Quote Link to comment Share on other sites More sharing options...
Mil@n Posted February 9, 2019 Report Share Posted February 9, 2019 Karijera je prošlost, dok se ne odselim iz stana ništa od te priče, a to se ni ne nazire... Jbg Quote Link to comment Share on other sites More sharing options...
Bujodrag Posted February 9, 2019 Report Share Posted February 9, 2019 5 minuta ranije, Mil@n said: Karijera je prošlost, dok se ne odselim iz stana ništa od te priče, a to se ni ne nazire... Jbg Drž'se. Ni ja nisam odustao baš odmah mada mi je trebalo vremena da se pomirim s tim. Dokle god si sposoban, hvataj svaku priliku. Vredi, veruj mi Quote Link to comment Share on other sites More sharing options...
Тодор НС Posted February 12, 2019 Report Share Posted February 12, 2019 Nije baš za ovu temu, ali verujem da će ovde veći broj ljudi videti. Novi distributer Harbeth zvučnika: https://audioplus.rs/ Možda se posle neko pohvali novom kupovinom. Quote Link to comment Share on other sites More sharing options...
džonibigud Posted February 12, 2019 Report Share Posted February 12, 2019 Postoji već otvorena tema Quote Link to comment Share on other sites More sharing options...
Тодор НС Posted February 12, 2019 Report Share Posted February 12, 2019 Hvala. Znao sam da ima neka tema, ali nisam mogao da se setim kako se zove. U svakom slučaju lepo je da neko dobije informaciju koja će ga obradovati. Quote Link to comment Share on other sites More sharing options...
ab Posted February 21, 2019 Report Share Posted February 21, 2019 Quote Link to comment Share on other sites More sharing options...
dj.nik Posted February 21, 2019 Report Share Posted February 21, 2019 Prvi pravi High Speed USB izolator. Imaju i neke zamerke na njega ali svakako doprinosi sistemu. Cestitke ab. Quote Link to comment Share on other sites More sharing options...
ab Posted February 21, 2019 Report Share Posted February 21, 2019 Hvala, zamerke u vezi 5V? Quote Link to comment Share on other sites More sharing options...
Spachek Posted February 21, 2019 Report Share Posted February 21, 2019 Koja je svrha ovog uredjaja?Sent from my SM-A520F using Tapatalk Quote Link to comment Share on other sites More sharing options...
dj.nik Posted February 21, 2019 Report Share Posted February 21, 2019 Galvanska izolacija USB linije prema D/A konvertoru. Najveca kolicina necistoce (noise) provlaci se kroz vod uzemljenja-mase (ground) USB kabla a ne kroz strujne ili signalne vodove. U dosta slucajeva se javlja i smetnja nastala uplitanjem vise masa (ground loop). Do pre par godina postizane su brzine prenosa standarda Low-Speed (1.5Mbps) i Full-Speed (12Mbps) (ADUM chip-ovi) a ne i High-Speed (do 480Mbps) koja je neophodna za prenos savremenih audio formata (24-bit). Problem se javlja kod kasnjenja prenosa signala preko galvanske barijere - opet nas neizbezni dziter iliti jitter ko ga kako voli napisanog. Pre par godina se pojavilo malo naprednije resenje koje je izbaicla australijska firma 'Silanna' sa svojim izolatorom koji opet pokazuje slicne boljke kao i Intona-ino resenje. Stvarni napredak napravili su recimo ljudi iz firme Uptone Audio (ISO Regen $325) i to tako sto se na jednoj i na drugoj strani izolatora regenerise USB takt. Svoju verziju nudi i S.o.T.M. ali po malo jacoj ceni ($990-$1200) a slican uredjaj dolazi pre-instaliran u najnovijoj verziji Phasure NOS1a-G3 D/A konvertera. Bez regeneratora / reklokera USB izolator nudi i HiFimeDIY po ceni $89. Nadam se da je dovoljno info E da, JPlay (JCAT) nudi Intona plocicu prepakovanu u odlicno aluminijumsko kuciste (€375). Quote Link to comment Share on other sites More sharing options...
vdzele Posted February 21, 2019 Report Share Posted February 21, 2019 @ab - Da li sad moraš da imaš dva usb kabla podjednako istog kvaliteta? Quote Link to comment Share on other sites More sharing options...
Spachek Posted February 21, 2019 Report Share Posted February 21, 2019 I vise nego dovoljno, hvala NicheSent from my SM-A520F using Tapatalk Quote Link to comment Share on other sites More sharing options...
ab Posted February 21, 2019 Report Share Posted February 21, 2019 Lepo objašnjeno od dj.nik-a koji ipak nije odgovorio na moje pitanje koje su zamerke za Intonu, samo da dodam da pored navedenog ima i funkciju potpunog regeneratora i reklokinga. Što se tiče USB kabla, Intona nije audiofilska spravica i oslobađa potrebu za napucanim kablovima, pa je na izlazu najproduktivnije, najbolje i najjeftinije rešenje za superioran zvuk USB adapter kao što je ovaj: https://www.cmple.com/usb-2-0-a-male-to-b-male-adapter/ Do intone vredi igrati se. Što se tiče 5V navodi se da su regulatori malošumni i da nema razloga za boljim rešenjem ali vredi malo i sa tim da se čovek poigra. Skutijavanje može da bude osrednji upgrade i nameće se možda potreba novog kućišta za potrebe igrarije sa linearnim napajanjem Quote Link to comment Share on other sites More sharing options...
dj.nik Posted February 21, 2019 Report Share Posted February 21, 2019 Nije napajanje u pitanju vec upravo ta maalo povecana kolicina jitter-a, koju su nazovi 'trikovima' momcovi iz UpTone Audio uspeli da rese, uz upotrebu ovog novog Silanna izolatora. Ko ne trazi dlaku u jajetu ima odlican izolator u Intona kartici. Potrazicu komentare i malo detaljnije opisati. Quote Link to comment Share on other sites More sharing options...
Krca44 Posted February 21, 2019 Report Share Posted February 21, 2019 Koliko je kockica / kutija potrebno za digitalnu reprodukciju ? Stalno im se broj povecava... Quote Link to comment Share on other sites More sharing options...
ab Posted February 22, 2019 Report Share Posted February 22, 2019 Zahvaljujem, bas bi me interesovalo. Molim te okači ovde ako nije problem. Istina, kada sam se odlucivao za Intona vs UpTone samo sam za Intonu našao merenja i tech.podatke. Na kraju, u komšiluku imam UpTone regen pa ćemo uprediti 1:1. Quote Link to comment Share on other sites More sharing options...
ab Posted February 22, 2019 Report Share Posted February 22, 2019 @Spachek From the Intona web site: The 7054-based USB Hi-Speed Isolator is a phy-level receiver/isolator/reclocker/repacketizer working at a bidirectional bandwidth of 480 MBit/s. It receives and transmits USB data using a dedicated ULPI-transceiver, buffers and translates by our proprietary logic using FPGA technology and isolates using industry-leading RF-type isolators by Silicon Labs with least possible capacitance. It does not translate or distort data packets like a hub but does reproduce and reclock the original data by 100%. The circuit is a 50 ohms impedance controlled design. USB traces are matched to 90 ohms differential / 30 ohms single ended. The RMS jitter of the isolated downstream has been measured at 12.5ps. By using a technology well known in digital communication systems called Spread Spectrum, any harmonics produced through periodic packet transmission (like 8kHz packet noise) could be eliminated. The isolated side is supplied by our own proprietary and very carefully designed DC/DC converter followed by linear regulators. The USB output voltage is generated by the Analog Devices ADP125 linear regulator. Quote Link to comment Share on other sites More sharing options...
dj.nik Posted February 22, 2019 Report Share Posted February 22, 2019 1 sat ranije, ab said: Zahvaljujem, bas bi me interesovalo. Molim te okači ovde ako nije problem. Istina, kada sam se odlucivao za Intona vs UpTone samo sam za Intonu našao merenja i tech.podatke. Na kraju, u komšiluku imam UpTone regen pa ćemo uprediti 1:1. Nemoj se ni truditi da uporedjujes ako se u komsiluku nalazi Uptone REGEN i jos ako je 'Amber'(kasnija verzija) a ne Uptone ISO REGEN. 'Obicni' REGEN radi regeneraciju USB signala, ne i galvansku izolaciju. Pri tome REGEN to radi lose. Evo jednog izvoda na tu temu: "...I tried the Regen when it came out years ago and was surprised that it did something that I thought "good" then, but that was the first generation Regen. When I tried the second version ("Amber"), it sounded too "bassy" and there was a loss in details. I quickly removed it from the chain. If I recall correctly, the difference was an added resistance that seemed to do something with the ground (Sorry again for my lack of precision)..." Sto se Intona-e tice, neka 'zamerka' bi bila to da ona radi procesiranje signala (2 FPGA chipa s jedne i druge strane barijere) a opet kada se uporedi sa ovim novijim Silanna chipom u sirovoj primeni, Silanna dodaje 400-600ps jitter-a (na USB liniji) sto je daleko losije od nekog FPGA procesiranja. Silanna chip originalno i nije namenjen audio primeni pa je tek dovitljivost Uptone konstruktora (i Phasure sa svojim resenjem 'Resolator' koji se sada serijski ugradjuje u Phasure DAC) dovela do najbolje primene Silanna chip-a. Kad uzmes u obzir da Uptone Audio za svoj ISO REGEN jasno preporucuje i kupovinu njihovog UltraCap napajanja ($435) umesto standardno ukljucenog, svicerskog univerzalnog AC-DC napajnja, Intona je ipak odlicno resenje. Ja s druge strane, da bih ugradio 'Phisolator' koji nema eksterno napajanje vec koristi ono od USB-I2S prijemnika, treba da posaljem masinu nazad kod holandjanina a to znaci 2x50e carinski papiri, 2x200e DHL transport, 350e sam uredjajcic pa jos ako hocu puni apgrejd sa baferom unutar lonvertora itd - dodaj jos nekih 1000-1200e. Neka hFala, INTONA ili ISO REGEN ce biti dovoljni. PS: Zaista je 'zbrckano' po postovima izdvojiti striktno ono sto se odnosi na Intonu od ostalih prica a i sami konstruktori se trude da zamaskiraju i ne dozvole otkrivanje detalja 'sta i kako'. Konstruktori se misli na Alex Crespy iz Uptone Audio te Peter Stordiau iz Phasure-a. Uzivaj u odlicnoj spravici! Quote Link to comment Share on other sites More sharing options...
dj.nik Posted February 22, 2019 Report Share Posted February 22, 2019 Jos detalj, USB kabl. Ipak je bolje da npr kod Zokija, FTA 'secnes' jedan dugacki USB kabl i napravis dva: malecni, 20-tak cm i drugi koliko preostane. Onaj produzetak ne resava situJaciju, Intona ce visiti u vazduhu tj. tezina ce biti na USB prikljucku. Radije slicno ovom: Quote Link to comment Share on other sites More sharing options...
Filipescu Posted February 22, 2019 Report Share Posted February 22, 2019 Da ne govorimo da u većini slučajeva ni nema mesta na DACu da se sa tim adapterom uređaj ukači na nj... Quote Link to comment Share on other sites More sharing options...
ab Posted February 22, 2019 Report Share Posted February 22, 2019 Evo kako to Up Tone rešava, tu je i par komentara: https://uptoneaudio.com/products/uspcb-a-b-adapter Trenutno sam u izradi tome nalik. Definitivno je najbilja kratka veza na izlazu Intone, probao par "audiophilskih" kablova koji najverovatnije zbog impedanse niti rade (ne baš svi, neki rade ali nemaju tako stabilnu impedansu, pa je predloženo i najbolje)...isti kablovi do Intone pak rade. Quote Link to comment Share on other sites More sharing options...
vladat1 Posted February 22, 2019 Report Share Posted February 22, 2019 @dj.nik Obožavam Noctua kulere. Imam ih 4 u kućištu Šta ti je to do grafičke kartice ? Quote Link to comment Share on other sites More sharing options...
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