User manual

Compressor ATTACK and RELEASE Control
4HE!44!#+CONTROLSETSTHEAMOUNTOFTIMEITTAKESTHEXSTOBEGINCOMPRESSINGASIGNAL
ONCETHEDETECTORHASSENSEDASIGNALABOVETHRESHOLD4HE!44!#+RANGEISFROM&!34FORA
TIGHTERANDMORENOTICEABLECOMPRESSIONEFFECTWITHVERYLITTLEOVERSHOOTTO3,/7FORMORE
DELAYEDGRADUALCOMPRESSION!VERYFAST!44!#+SETTINGWILLCAUSETHEXSTOACTLIKEA
PEAKLIMITEREVENTHOUGH2-3DETECTIONCIRCUITRYISUSED3LOWER!44!#+SETTINGSCAUSETHE
XSTOACTLIKEAN2-3ORAVERAGINGDETECTINGCOMPRESSORLIMITER
4HE2%,%!3%CONTROLSETSHOWFASTTHECOMPRESSIONCIRCUITRETURNSTHEINPUTTOITSORIGINAL
LEVEL4HE2%,%!3%RATEISFROM&!34WHERECOMPRESSIONFOLLOWSTHEENVELOPEOFTHEPROGRAM
MATERIALVERYTIGHTLYTO3,/7FORVERYSMOOTHCOMPRESSION
There is no absolute rightWAYTOSETTHE!44!#+AND2%,%!3%CONTROLS(OWEVERINGENERAL
you will want them set slow enough to avoid pumping or breathing sounds caused when
background sounds are audibly modulated by the dominant signal energy, yet the release must
be fast enough to avoid suppression of the desired signal after a sudden transient or loud
NOTEHASDECAYED&ORLOWFREQUENCYTONESEGBASSGUITARSET2%,%!3%AND!44!#+TO
2:00 or slower.
NOTE:!44!#+AND2%,%!3%CONTROLSOPERATETOGETHERANDINCONJUNCTIONWITHTHE2!4)/
control. Changing one control may necessitate changing another setting.
AUTO Switch
4HISSWITCHOVERRIDESBOTHTHE!44!#+AND2%,%!3%CONTROLSANDENABLESPRESETPROGRAM
dependent attack and release times. These times are derived from the input signal and con-
TINUOUSLYCHANGETOMATCHITSDYNAMICS%NABLINGTHIS!54/&UNCTIONDUPLICATESTHEhCLASSIC
dbx sound” of the 266xs forerunners which have become standards in the industry.
Expander/Gate THRESHOLD Control and LEDs (BELOW/ABOVE)
NOTE:4HE%XPANDER'ATEISOFFWHENTHE%XPANDER'ATE4(2%3(/,$ISSETTO/&&
Adjusting this control sets the level at which the gate will open and allow the signal at the
INPUTTOPASSTHROUGHTOTHEOUTPUT4URNINGTHEKNOBFULLYCOUNTERCLOCKWISETO/&&ALLOWS
the gate to pass all signals unattenuated, effectively bypassing the gate. Turning the knob
FULLYCLOCKWISECAUSESTHEGATETOATTENUATEINPUTSIGNALSBELOWD"U4HEDEPTHOFATTENU-
ATIONDEPENDSONTHESETTINGOFTHE%XPANDER'ATE2!4)/CONTROL
4HETWO%XPANDER'ATE,%$SINDICATETHERELATIONSHIPOFTHEINPUTSIGNALLEVELTOTHETHRESH-
OLDSETTING4HERED,%$LIGHTSWHENTHESIGNALIS"%,/7THRESHOLDTHEGREEN,%$LIGHTSWHEN
the signal is !"/6% threshold.
Section 2
Getting Started
7
dbx 266xs