Harman DBX 1066 - Release Control; Auto Switch; Input;Output Level Meter; Output Gain Control

7
Operating Controls
CIRCUITRYISUSED3LOWER!44!#+SETTINGSCAUSETHETOACTLIKEAN2-3ORAVERAGINGDETECTINGCOMPRESSOR
limiter.
2ELEASE#ONTROL4HE2%,%!3%CONTROLSETSHOWFASTTHECOMPRESSIONCIRCUITRETURNSTHEINPUTTOITSORIGINAL
LEVEL4HE2%,%!3%RATEISFROMD"SECWHERECOMPRESSIONFOLLOWSTHEENVELOPEOFTHEPROGRAMMATERIAL
VERYTIGHTLYTOD"SECFORVERYSMOOTHCOMPRESSION
!UTO3WITCH4HISSWITCHOVERRIDESBOTHTHE!44!#+AND2%,%!3%CONTROLSANDENABLESPRESETPROGRAMDEPEN-
dent attack and release times. These times are derived from the input signal and continuously change to match
ITSDYNAMICS4HESWITCHLIGHTSINDICATINGTHEATTACKANDRELEASETIMESAREBEINGAUTOMATICALLYADJUSTEDINA
PROGRAMDEPENDENTFASHION%NABLINGTHIS!54/&UNCTIONDUPLICATESTHEhCLASSICDBXSOUNDvOFTHESFORE-
runners which have become standards in the industry.
)NPUT/UTPUT,EVEL-ETER4HISSTAGEMETERDIRECTLYREADSTHEINPUTANDOUTPUTLEVELSWHENTHEREARPANEL
/0%2!4).',%6%,37)4#(ISINTHED"UPOSITION)NTHED"6POSITIONTHEINPUTSIGNALISBOOSTEDBY
D"THEDIFFERENCEBETWEEND"UANDD"6TOCONVERTASEMIPROD"6LEVELSIGNALTOTHEPROFES-
SIONALD"UINTERNALLEVELOFTHEWHILETHEOUTPUTSIGNALISATTENUATEDBYD"TOCONVERTBACKTOA
D"6LEVEL3INCETHEMETERISCALIBRATEDFORD"UOPERATIONITREADSABOUTD"HIGHERTHANTHEACTUAL
INPUTANDOUTPUTSIGNALLEVELSWHENTHE/0%2!4).',%6%,37)4#(ISSETTOD"6
)NPUT/UTPUT-ETER3WITCH4HISSWITCHSELECTSTHESIGNALFORMETERINGBYTHE).054/54054,%6%,-%4%2
The switch lights indicating the input signal is currently being sent to the meter. When the switch is in the out
position, the output signal is selected for metering, and the switch will not be illuminated.
/UTPUT'AIN#ONTROL4HISCONTROLSETSTHEOUTPUTGAINOFTHECOMPRESSOR)TCANBECONTINUOUSLYADJUSTED
BETWEEND"ANDD"5SETHISCONTROLTOCOMPENSATEFORSIGNALLEVELLOSSDUETOCOMPRESSIONANDTO
ADJUSTTHENOMINALOUTPUTLEVELOFTHEUNIT
"YPASS3WITCH4HISSWITCHBYPASSESTHEUNITCOMPLETELY!RELAYhHARDWIRESvTHEINPUTDIRECTLYTOTHEOUTPUT
and the signal is not processed in any way. The switch will light indicating that the unit is currently bypassed.
It is also significant to note that in the event of power failure, the relay will automatically bypass the unit.
5PONPOWERUPTHERELAYPROVIDESATURNONDELAYOFAPPROXIMATELYSECONDS
0EAK3TOP0LUS©,EVEL#ONTROL - This control sets the level to which the output signal is reduced whenever it
EXCEEDSTHISLEVEL)TCANBEADJUSTEDBETWEEND"UANDD"U/&&4HIS0EAK3TOP0LUS©LIMITERUSESA
dbx two-stage limiting process. The first stage is the Instantaneous Transient Clamp™ which clamps the signal
with a soft logarithmic clamp function. This logarithmic function assures that the signal will not exceed the
LEVELSETBYTHE0EAK3TOP0LUS©,%6%,CONTROLBYMORETHAND"TYPICALLYANDTHATITWILLNOTINTRODUCEHARSH
ARTIFACTS4HESECONDSTAGEISAUNIQUEPROGRAMLIMITERFEATURING)NTELLIGENT0REDICTIVE,IMITING©)TSFUNCTION
is to monitor the input signal and intelligently predict the amount of gain reduction needed to keep the output
SIGNALBELOWTHECEILINGSETBYTHE)NSTANTANEOUS4RANSIENT#LAMP©.OTESINCETHE0EAK3TOP0LUS©LIMITERISA
FAILSAFELIMITERITMUSTCOMEAFTERTHE/54054'!).CONTROL)FTHE/54054'!).ISSETTOOHIGHASCOMPAREDTO
THE0EAK3TOP0LUS©,%6%,CONTROLCONTINUOUSLIMITINGCANOCCUR7HILE0EAK3TOP0LUS©ISTYPICALLYUSEDASAPRO-
TECTIVEFUNCTIONCREATIVEEFFECTSCANBEACHIEVEDBYINTENTIONALLYDRIVINGTHESIGNALINTOHEAVY0EAK3TOP0LUS©
LIMITING'REATCAREHASGONEINTOTHEDESIGNOFTHE0EAK3TOP0LUS©LIMITERTOKEEPITACOUSTICALLYTRANSPARENT
Appropriate use of it can protect your gear while keeping the signal free of artifacts.