Decware The ZEN HEAD Manuel utilisateur

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Personal Battery Operated Headphone Ampliﬁer

MANUAL NO. 02 REV. DATE: 1/2011

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DESCRIPTION

TheZenHeadModelZH-1isaworld-classbatterypoweredheadphoneampliﬁer.Itwasdesignedto

workwithandexploitthevirtuesofhighqualityheadphonesandearbuds.Runfromasingle9volt

battery,thisunitisfreeofthegrainandnoisefoundinACpoweredequipment,nottomentionapower

cordmakingitportable.Youcanget24hoursofcontinuouslistening(alongplaneﬂightperhaps)orup

to50hoursofintermittentlisteningafewhoursatatime.Asimplehighqualityon/oﬀswitchand

volumecontrolareallyouhavetorememberhowtousebecausethatʼsallthereisontheexteriorofthe

ZH-1.Ofcourseforaudiophileswehaveseveralinternalsetupswitchesthatcanbeusedtovoicethe

unittoyourliking.

Outﬁttedwithstandard3.5mmstereojacksandapowerONLEDlighttheZenHeadcouldnʼtbeeasierto

operate.Withworld-classdesign,audiophileparts,BurrBrownOperationalAmpliﬁersandafullyanti-

resonantmachinedaluminumchassisyoucanexpectalifetimeofsatisfactionfromthis100%hand

solderedheadphoneampliﬁer.

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SETUP

TheZH-1ispre-conﬁguredatthefactorywiththemostpopularinternalswitchsettingssonothingneeds

tobedonetotryoutyournewZenHead.Evenanewhighqualitybatteryispre-installedsoallyouhave

todoispluginyoursourceandafavoritesetofheadphonesandenjoy.

Justusetheincluded3.5mmstereocable

betweenyourIPODorportabledeviceandthe

inputjackontheZH-1labeled“SOURCE”

Plugyourheadphonesintothejacklabeled

“PHONES”

TurntheVOLUMEcontrolallthewaydown

(counter-clockwise)beforeyouturnontheZH-1.

OnceyouseethegreenLEDlightcomeon,you

canslowlyraisetheVOLUMEcontroltothe

desiredlisteninglevel.

BATTERY

Asingle9voltbatteryisusedandeasilyaccessiblefromtherearbyasimplepressofthethumb.Youcan

useeitherAlkalineorRechargeablebatteries.Ifyourusingthiswithahi-endsourceyoumayﬁnd

Alkalinetosoundbetterthanrechargeablebatteries.IfselectingbetweendiﬀerenttypesofAlkaline

batteries,alwaysgowiththehighestcurrentrating.Batterylifeisdependentonhowloudyouplaythe

ZH-1andthequalityofthebattery,butatanormallisteninglevelyoucanexpectaround50hours.

THEBATTERYSHOULDBEREPLACEDIFthesoundeasilydistortswhenyouraisethevolumeorifthe

greenLEDlightisdim.

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Thebatteryisaccessedbyslidingtherear

paneloveruntilitstopswithyourthumb.

Thenjustliftitoﬀandoutoftheway.

Toremovethebattery,gentlyworkitout

ofthecontainerwithasmallﬂatobjector

yourﬁngernail.Itʼsasnugﬁtasthebattery

compartmentisfeltlinedtoeliminate

vibrations.

DESKTOPUSE

IfyouneedtouseyourZenHead

continuouslyanddonʼtwanttoreplaceor

rechargebatterieswehavefound

productslikethe“9VBatteryEliminator”to

workratherwellwiththeZH-1.This

particularproductandotherslikeitare

fullyregulated9VDCsuppliesand

availableontheInternet.

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INTERNALADJUSTMENTS

TheZH-1has4redswitchesinsidethatcanbeusedtochangehow

yourZenHeadsounds.Toaccesstheseswitchesyouwillhavetoﬁrst

removethe9Vbatteryandthenremovethetwoscrewsinthe

faceplate.Onceremoved,youcanslidethefaceplateandcircuit

boardawayfromthechassisexposingtheswitchesinside.NOTE:If

youwanttocompletelyremovetheboardfromthechassis,you

willalsohavetoremovethetwoscrewsfromthebatteryholderand

thenremovethebatteryholdercompletely.

YourZH-1willlooksimilartothepicturebelow,exceptthatonyoursthefaceplatewillremainconnected

totheboard.Yourswillalsohavetwobatterywiresconnectedtoitjustbehindthepowerswitch.

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SWITCHSETTINGS

Theﬁrstswitchtoexperimentwithislocatedjustbehindthevolumecontrol.CalledtheImpedance

switch.

Thisswitchislabeled10Kand32K.ThesenumbersrepresenttheinputimpedanceoftheZH-1.Inthe

10KpositiontheZH-1willgettwiceasloudsobesuretohavethevolumeadjustedverylowifyouhave

theheadphonesonandarelisteningtomusicwhenyouﬂipthisswitch.The32Kpositionisidealfor2

voltsourcessuchastheCDplayerorDACthatyoumightﬁndinyourlisteningroom.Asyou

experimentwiththisswitchyouʼllnodoubtﬁndthateitherpositioncanbeusedinmostcases,the10K

positionsimplyhavingmuchmoredynamics.

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ThenextswitchtoexperimentwithistheInterstageGainswitch.

Itislocatedhere andisbestadjustedduringaseriouslisteningsessionbecausewhatitdoesissubtle.

TheZH-1hastwostagesofgain,hencetoBurrBrownOperationalampliﬁers.Thisswitchadjuststhe

amountofdynamicsthatareallowedfromtheﬁrststagetothesecond.Usuallythebestapproachisto

setthisswitchto“HIGH”iftheImpedanceswitchissetto32Korto“LOW”ifsetto10K.

WhileyourdoingyourseriouslisteningtotryandhearwhattheInterstagegainswitchdoes,onceyou

settleonthebestsettingforit,youmayaswellcheckouttheCROSSFEEDswitchlocatedrightnexttoit.

Ifyoudonʼtknoworcarewhatcrossfeedis,leavetheswitchsetto“ON”.Infactwecanʼtthinkoftoo

manyreasonsnottohavethisswitchsetto“ON”atalltimes,becausethecrossfeediswhatmakes

headphonesimageproperly.Withoutit,youhaveabrightersoundthatisbothtoowideandcoming

fromthecenterofyourhead.Notallcrossfeedcircuitsarealike.Ifyouthinkyoudonʼtlikecrossfeed,

pleasetakethisopportunitytohearitdoneright.

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TheremainingswitchiscalledtheOutputImpedanceswitch.Thisisusuallythelastswitchyoushould

adjust,becausethealreadyhugediﬀerenceinsounditmakeswillbeevenlargerafteryouhavethe

previousswitchessettoyourliking.

Thisswitch,locatedhere,islabeled“HiZ”and“LoZ”,shortforHighImpedanceandLowImpedancewith

regardtothetypeofheadphonesyouhaveconnectedtoit.Typicallyphonesthatareratedat50ohms

orlessareconsideredLowImpedance,whileeverythingelseallthewayupto600ohmsisconsidered

HighImpedance.TheZH-1willdriverheadphonesfrom30ohmsto600ohmsintheHiZsettingand

headphonesfrom10ohmsto600ohmsintheLoZsetting.Becauseofthishighoverlapbetweenthe

twosettingsitislikelyyouʼllbeabletouseboth.Choosetheonethatsoundsbesttoyourears.

NOTE:In“HiZ”modetheoutputstageoftheZH-1isdirectcoupledtotheheadphonesandwillsound

moreaccurateanddry.In“LoZ”mode,theoutputstageiscapacitorcoupledtotheheadphonesandwill

soundmorejuicyandspacious.

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SOUNDCHARACTER

Sometimesithelpstoknowthegeneralsoundcharacterofacomponentsothatyoucanspottroublesif

thecreepup.Forexample,theZH-1hasjetblack,noiselessbackgroundssoifyouhearanynoiseyou

knowitʼscomingfromyourcable,yoursource,orisintherecordingitself.TheZH-1isgrainfreeand

musicallyinvolving.Ithasbeenspeciﬁcallydesignedtobecompletelyfatiguefreeevenafteralldayuse.

Soifyoursoundisdry,grainyorfatiguinginanyway,againyouʼllknowitʼsnottheZH-1.

ThevoicingthatwentintotheZH-1tookoverayeartoperfectandtheresultisanearlyperfectbalance

wherenothingisfeaturedthatshouldnʼtbe,yourattentionisdrawntowhereitshouldbe,notto

frequencyordynamicbasedanomalies.Youcantrustitʼsfrequencybalance,timbreandsenseoftiming.

BONUS-ALINELEVELPREAMPTOO!

Unlikemostheadphoneampliﬁers,theZH-1hastheabilityandgaintobeusedasalinelevelpreampliﬁer

intoimpedancesallthewayupto100KOhms.ThisunusualabilitymakestheZH-1asleeperofapreamp

forpuristswantingtohookittotheirfavoritetubeorsolidstateampliﬁer.InfrontofagreatSETampliﬁer

knownfortransparency,theZH-1isfarfromdisappointing.Theinternalswitchesletyouvoiceyour

ampliﬁerwiththesameexcellentoptionsthatyouusedwithyourheadphones!

IPODUSE

Manypeoplewillinsistthatthelineleveloutputcomingoﬀthe20pinconnectorofyourIpodhasbetter

soundthantheheadphonejack.ThisrequiresanIPODdockofsomekindtoconvertthejacktoRCA

outputsviaaribboncable.Forthatreasonalone,thesoundisusuallyworse.WedesignedtheZH-1to

soundbestcomingoﬀtheheadphonejackofyourIPOD.Ofcourseallportableplayersandphoneswill

alsoworkﬁnewithaZH-1viatheirheadphonejack.

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WHATNOTTODO

Keepitoutofthewater.Whileyoucanrunoveritwithacarandexpectittostillworkﬁne,itdoesnot

likewater.Ifitgetswetincleanwater,justremovethebatteryandplacetheZH-1somewherewarmand

dry(likeinthesun)foracoupledaysanitwillbeﬁne.

Donotdropitonitʼsvolumeknobasaperfectlyalignedhitcancausethevolumecontroltocrackand

youwillhavetosenditinforaquickrepair.

Donotunderestimateitspower.ThisdevicewillgetLOUDandthensome.Makesureyoualwayshave

thevolumecontrolmostofthewaydownwhenyoustartlistening.

Donotleavethebatteryintheunitforextendedperiodsoftimeorinthesun.Putanotherway,takethe

batteryoutifyouʼrenotgoingtousetheZH-1forseveralmonths.

Donothookthebatteryupbackwards.YouZH-1willfailinstantlysmokingbothchips.Thisrepairisnot

coveredunderwarrantyandisnotcheap.

DonotuseyourtoetobreakthefalloftheZH-1ifyoudropit.Theunitisheavyandyourtoewillhurtlike

hell.

DonotusecheapbatteriesastheywillnothaveenoughpowertokeeptheZH-1fromhavingpoor

performance.Sticktonamebrandalkalinebatteries.Rechargeable'sareOKasisLithium.

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Autres manuels pour The ZEN HEAD

Ce manuel convient aux modèles suivants

Table des matières

Autres manuels Decware Amplificateur

Decware

Decware SE84UFO Manuel utilisateur

Decware

Decware SE84C+ Manuel utilisateur

Decware

Decware SE84C+ Manuel utilisateur

Decware

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Decware zp3 Zen Triode Phono Stage Manuel utilisateur

Decware

Decware ZEN TORII MK V Manuel utilisateur

Decware

Decware Rachael SE34I.3 Manuel utilisateur

Decware

Decware ZTPRE v2 Manuel utilisateur

Decware

Decware SE34-I Manuel utilisateur

Decware

Decware TORII Mk II Manuel utilisateur

Decware

Decware TORII MKIII Manuel utilisateur

Decware

Decware SE34I.6 Manuel utilisateur

Decware

Decware SE34I.5 Manuel utilisateur

Decware

Decware Zen Triode Preamp Manuel utilisateur

Decware

Decware ZMA Manuel utilisateur

Decware

Decware SE84UFO3 Manuel utilisateur

Decware

Decware SE84ZS Manuel utilisateur

Decware

Decware TORIIJR Manuel utilisateur

Decware

Decware The ZEN HEAD Manuel utilisateur

Decware

Decware Zen Taboo Manuel utilisateur

Decware

Decware SE34I.2 Manuel utilisateur

Decware

Decware CSP2 Manuel utilisateur

Decware

Decware SE84CS Manuel utilisateur

Decware

Decware TABOOMKIII Manuel utilisateur

Manuels Amplificateur populaires d'autres marques

ASTRO

ASTRO HVO V40 P Manuel utilisateur

Marantz

Marantz SUPERSCOPE BLA-545 Instructions de montage

NAD

NAD CI980 Manuel utilisateur

Technics

Technics SE-CH770 Manuel utilisateur

Harman Kardon

Harman Kardon HK6300 Manuel utilisateur

NAD

NAD T975 Manuel utilisateur

McIntosh

McIntosh MA6850 Manuel utilisateur

Electro-Harmonix

Electro-Harmonix ENGLISH MUFF’N Manuel utilisateur

Viatron

Viatron Autrix Manuel utilisateur

GME

GME GA9800 Manuel utilisateur

Atlas

Atlas CP700 Manuel utilisateur

Roland

Roland KC-1000 Manuel utilisateur

Pyle

Pyle PFMRA350BW Manuel utilisateur

Advantage

Advantage S-250 Manuel utilisateur

IRT Electronics

IRT Electronics DVA-3007 Manuel utilisateur

Dimavery

Dimavery BA-100 Series Manuel utilisateur

Sony

Sony XM-S400D Manuel utilisateur

Schertler

Schertler ROY X Manuel utilisateur