Audionet PRE G2 Manuel utilisateur

audionet

PREG2

ReferencePre-Amplifier

Owner’sManual

Howto operate theAudionetPREG2

AudionetsPREG2isahighperformance audiopre-amplifier.This

systemisdesignedforabsolutelynaturalmusicreproduction and for

highestuser comfort.

Thefollowingwill giveyou all information abouthowtooperateyour

PREG2. Pleasereadthiscarefullybefore thefirstuse.Following

theseinstructions, yourPREG2will giveyou long-lastingpleasure

and satisfaction.

Connecting the system

Pleaseconnectthepower jack(1)attherear withyourwall outlet

(Pleaserefer topage11).Usetheprovidedpower cableoranother one

allowed foryourhomecountryspecifications.

NOTE:

Thepower specifications(2)ontherearmustmeet toyourhome

country specifications.

Themains-button(3)atrearmustbeswitchedoff.

PREG2isaverysensitivesystem.Pleaseensure thatall usedconnec-

torcables are in absolutelybestcondition.

Forconnectingorremovingaudiosources, PREG2has to beswitched

off (stand-bystate) orshould bemuted.

PREG2hasonebalancedand fiveunbalancedhighlevelinputs(4).

Duetothedualmono construction, leftand rightinputsare separated

attherear.Pleaseconnectleftand rightinputstothecorresponding

outputsofthedesignatedhigh-levelsources, likeCD-player,D/A-

converter,…

PREG2hastwobalancedaswell asonelineand oneinvertedunbal-

anced outputs (5)forconnectingpower-amplifiers.

Pleaseconnectleftand rightchanneltothecorrespondinginputsof

yourpower-amplifier.Ifbi-ampingisdesired, pleaseusethetwobal-

ancedorthelineand theinvertedoutputs. Inthesecond case,you

havetochangetheloudspeaker polarityoftheoneamplifier,thatis

connectedtotheinvertedPREG2-outputs(changeplus tominus and

minus to plus). Ifyou are notsure, yourdealer will help you.

Powersupply

Audiosources

Inputs

Outputs

To preventanynegativeinfluence on thesignal,PREG2hasno regular

tapemonitorloop orarec outselector.

Forrecordingpleaseconnecttheinputsofyourrecordingsystem,like

DATortape-deckwiththemonitoroutputs(6)ofPREG2. Whenthe

recorder isconnectedtothemonitoroutputs, forplayingbackyou must

useinputs No. 6 ofthePRE G2.

WheninputNo. 6isselectedand active,themonitoroutputsare always

switchedoff.Thisisnecessarytopreventdestructiveoscillation ofPRE

G2and recorder.Therefore InputNo. 6cannotbeusedforasignal

source, which should berecorded.

WheninputsNo. 1to5are selected, themonitoroutputsare alwayson.

You are free tousetheseinputsforplayback, whentherecorder isnot

connectedtothemonitoroutputsortherecorder inputsare connected

elsewhere.

Incombination withother AudionetproductsthePREG2canswitchon

and off thewholesystem.PleaseconnecttheAudionetlink (7)on the

rear withaToslink opticalfibre cabletotheAudionetlink ofother

Audionetproducts.

Recording systems

Audionet-link

Switching on and off the mains

PREG2isdesignedasastand-byunit.To bringPREG2intothestand-

bystate,pleasepress themains power switch(4)on therear.PREG2

will bein thestand-bystatedisplaying"Audionet".

To switchoff themains isonlynecessaryincasesoflonger absence like

holidays. Forswitchingoff pleasepress againthemains power switchon

therear.Lookingfromabove,theswitchnowshowsyou a"0"and the

displayturns off.

Operating the system

All functions ofthePREG2are completelymicroprocessorcontrolled.

Thisguarantees highestprecision, exclusivefunctions, easyoperation and

protection againstoperationalfaults.

ForswitchingPREG2on, pleasepress the power button atthefront

panel.PREG2needs 5sec.forwakingup and thenworks. PREG2will

comeup softly.

To switchthePREG2off,pleasepress thepower button againand the

PREG2needs 5sec.forgoingtosleepand thenwill remember all your

latestsettings.

Whenswitchingon and off atthefrontpanelorwiththeremotecontrol

you do nothaveto care aboutyourother systems.

Switching on and off inthe

stand bystate

To setthedesiredvolume,pleaseturnthemagneticbuffered volume

knob atthefrontpanel.Thisisanincrementalimpulseunit withouta

stop.

Pleaseturnclockwiseifhigher and counter clockwiseiflower volumeis

desired.

PREG2showsyou themaster volumewitharangefrom-80 dBto

+10 dBinthedisplay.Thisare real1 dB-steps relativelytotheinputsig-

nal. To adjustthevolume-offset, pleaseread „programming“(page7).

PREG2hasasoftinputselectfunction. Pleasepress the input button at

thefrontpaneltoselectoneofthesix inputsbyturningthe volume knob.

Whenchangingtheinput,PREG2regulatesvolumedownto-80 dB,

mutestheoutputs, switchestheinputs, activatestheoutputsand finally

regulates volumeup to thelevelbefore.

PREG2hasasoftmutefunction. Ifdesiredornecessarytomutethesig-

nal, pleasepress the mute button atthefrontpanel.

Whenmuting,PREregulatesvolumedownto-80 dBand thenswitches

off theoutputs. Ifyou press themutebutton again, PREactivatestheout-

puts and regulates thevolumeup to thelevelbefore.

Ifyou changetheinputsinthemutedstate,pleasepress themutebutton

againasbefore.Inthiscasethevolumelevelwill stayat-80 dB.Now

you havetosetthevolumewiththevolumeknob. Thisisprovidedto

protectyou fromunexpectedlevelsofsignal-sources, whichmaybe

much louder as theonebefore.

Setting thevolumelevel

Selecting theinputs

Muting

Programming

PREG2isprogrammableforfunctions providingyou withnewand easy

possibilitiestoadjustthesystemtoyourneeds. All individualsettings

will beremembered, also when PRE G2 will beswitched off themains.

You can programmethefollowing:

§Thebalance can beadjusted dueto individualconditions

§Inputs, whichusuallyhavedifferentsignallevel,canbeadjustedto

thesamevolume

§Inputscanbegivenanindividualname,e.g."CD1","CD2","Dar-

ling"etc.

Thetwolinealphanumericdisplaywill giveyou all information you need

aboutsettings:

§Firstline:channel, given nameofthechannel

§Second line:master volumelevel, programmed volumeleveloffset

Forselectingthefunction, whichshouldbeprogrammed, pleasepress the

set button atthefrontpanel.

Display

Forprogramming, pleasedo thefollowing:

1. Push thesetbutton once forashorttime.

2. Turningthevolumeknob clockwisedecreasestheleveloftheleft

channel,turningcounter clockwisewill decreasetherightchannel’s

level.

Thelevelofeverychannelcanbedecreasedup to9 dB.Thesettingis

displayed numericallyand byarrows.

3. Push thesetbutton fivetimes to leavetheprogrammingmenu oronce

for‘volumeoffset’and continuewith step 3 ofthefollowing

1. Selectthechannelto beadjusted

2. Push thesetbutton twice forashorttime.Thedisplayshowsyou a

flashingcharacter on thedisplayat"programmed leveloffset"

3. Turnthevolumeknob toadjustthedesiredlevel.Thisispossible

within arangeof+/-6 dBto themaster volume

4. Push thesetbutton fourtimestoexit oronce for‘nameprogram-

ming’and proceed with step 3 ofthefollowing

1. Selectthechannelto begiven anewname

2. Push thesetbutton three shorttimes. You will see acursorunder the

firstcharacter ofthename

3. Turnthevolumeknob and setthefirstcharacter,number orsign,

which is required forname

4. Push themutebutton once.Thedisplaynowshowsthecursorunder

thesecond character

5. Turnthevolumeknob asdescribedinstep3...and so on. All inall

you can set10 characters

6. Push thesetbutton three timestoexit oronce forchangingthe‘input

sequence’. Ifso, proceed with step 3 ofthefollowing.

Balance

Volumeoffset

Nameprogramming

1. Selectthechannel, in which theDCServo has gotto beactive.

2. Push thesetbutton fourshorttimes

3. Turnthevolumeknob totherighttoactivateand tothelefttodeacti-

vatetheDCServo.

4. Push thesetbutton twice toexit.IftheDCServo isactiveon thecur-

rentinputyou will see asmall star attheupper rightcorner ofthe

display.

1. Push thesetbutton fiveshorttimes

2. Turnthevolumeknob toselectstand-bytextbetween“AUDIONET”

and “¤¤”.

Thechosen textwill bedisplayed when thePRE G2 is in stand-bymode.

Note:

Ifnochangesare madeforabout10 seconds, thePREG2will auto-

matically exittheprogramming menu.

Thedisplaycanshowyou itsinformation withfivestatesofbrightness:

from100%tooff infivesteps. To setthispleasepush theset-button for

longer thantwoseconds and thenyou canadjustthebrightness withthe

volumeknob.

Nevertheless, in thedisplayoff-statethefollowingis shown

§themute-state

§changingtheinputs (forafew seconds)

§all programmingworks

WARNING:

Longtermusageofthedisplaysettomaximumbrightness (setting

100%) maycauseextendedsigns ofwear resultinginadecayofcontrast

orbrightness ofindividualdotsinthedisplay.Donotusethedisplay

withabrightness sethigher thanthefactorydefault settingof50%over a

longer period oftime

DC Servo

Choose stand-bytext

Dimming thedisplay

Using the remote control

All functions ofthePREG2canbeoperatedbyAudionetsremotecon-

trolin thesamewayas described forthefrontpanel.

Pleasepush thecorrespondingbuttons oftheremotecontrolunit.Using

theremotecontroltheinputscanbedirectlyselected. Forsettingthevol-

umelevel, pleasepush +or-oftheremotecontrolvolumebutton pair.

Additional Ground

Inaddition totheAudionetPower Cordyou will find inthepackingthere

isagreen/yellowground cordforadditionalgroundingthepreamplifier.

Thiscordshouldbescrewedtighttothegoldplatedground socketatthe

back ofthePRE G2 and then plugged in thewall outlet.

Wehardlyrecommend theuseoftheadditionalground cordbecauseof

thepositiveinfluence to thesound ofthewholesignalchain.

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