Music at Home+ Spring 2022

REPRODUCEDFROMHI-FI+

MasterClockcomesinat2E-12(at1second),whichis equaltoa10MHzrubidium atomicclockwithphase noiseof+/-1Hzat-110dBc/Hz,oranamazing500 timeslesjiterthanan82fsFemtoclockoscilator. Why‘LEOGX’asopposedto‘LEOG2’? LEO takesthe“X”designationhoweverbecauseits clockingdutieswilbeglobalyapplicabletofutureG Seriessystemsaswel.Soifweofernextgeneration modelsdowntheroad,LEOGXwilremaincompatible withanyupdatedGseriesDACs. DescribethestepsforsomeonebuildingaG2-Series digitalsystem.Isthereauniversalprogresionas yougofromoneboxtothecompletesystem? G2seriesisdesignedtobeveryflexiblewithproducts tosuitdiferentapplications.Forinstance,ARIESG2is perfectforthosewantingtoaddtopperformance streamingtoasystem,withtheoptionofinternal storage,whichalreadyhasaDACbecausetheunitis designedwithdigitaloutonS/PDIFandUSB— Ithink that’swhytheoriginalARIESwassopopularfindingits wayintomanyhigh-endseparatessystems.TheVEGA G2wilfurtherimprovetheperformancewhen

connectedwith‘LightningLink’toanARIES G2ifapreamplifierisrequired.Thatsaid, VEGA G2 wiloperate asa stand-alone streaming DAC in its own rightifthe requirementis fora one box solution. Optimum performance isachieved when usingtheLEOGXwiththeVEGAG2,ARIES G2, and ‘Lightning Link’ connected. Performanceisextraordinaryandpushesthe performance ofwhatisachievable from streameddigitalaudiosources. WhichproductintheG2-Seriessurprised youbybeinghardesttodesign,andwhy? VEGAG2hassuchauniquestructurethat thedesignproceshastakenaconsiderable periodoftime.VEGAG2isvirtualya‘digital recorder’thatrecordsalincomingdigital signalstoourTeslaplatform forprecision buferingandprocesing–thismethodology ofdesignisanexampleofthenumerous technologies we employ in striving for authentic,naturalsound.Hardware and softwaredesignischalengingandcomplex, butIrealy enjoy the proces and it’s immenselyrewarding.

“Onlywiththediscoveryofthelinkbetweenscientificdataand auditorysense can we suceed in seeking reliable criteriaor evaluation.”

WhichG2-Seriesproductsurprisedyouby itsperformance,andwhy? That’satrickyquestion.Ican’tsingleoutone product. During long-term design and research,we’vereachedtheconclusionthatit

ishardtobuildupasolidbasisfordevelopmentby solelyrelyingoneitherinstrumenttestingoratentive listening.Onlywiththediscoveryofthelinkbetween scientificdataandauditorysensecanwesuceedin seekingreliablecriteriaofevaluationduringtheR&D proces.Asaresult,wesetupmathematicalmodels

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