DBX900_series_1983_catalog - Preservation Sound

'The Model907 Slereo Gated CompreEso! Slave, when combined wrtn the Model903 compressor provLdes a poweriul new sjgnal
processing tool lor the broadcastei studro or production lacllLty. To the 903 s Over Easy pedormance (ior Lnaudible lransition into
cornpressLon) rhe 90? adds ahigh speed release gate and true rms delectedstereo compressLon Releasegatinq prevenls short term
sLgral drops from causmq the limiter to modulate background noise The audLble benents are subsianljal with bolh musical ard
spoken word piograms especLally u nen compression leyels are hign or the source material iojsy When the short term rms value ol
ar input signal talls below the front panel selectable gating threshol.l tne 903/90? tueezes ' a1 iis mosl receni amount of gain
redrciLon which is held untilthe signal retuns lo a level above thesetting. There is also a calil?rated release rale tim on tne 907
Dual matched rms deiectors proride proper compression response lor all stereo irpul signals regardless olplase relarionships
and Blackmer voltage controlLed amplif,ers (VCAS) enabie accuraiestereo trackingovera 60 dBrange The usercan installhisor her
own detector preemphasis networksin space provided on the cjrcuit board
Althougn each conlrol ol the 9!3/90? pajr acts on both ste.eb channels each chamel :ndjlidually can be hardwire bypassed For
nulti band limiting provision has been nade on ihe 907 ctrcujt board lor tytn!:t the gate lunctions ol all bands. which prevenls the
unnalural narmoric alleratjors caused by jndepedenr gareoperatior dlrinq multi banduse You car alsodeleat the gatelor
operation as astereo hmjter and.onflgure the unit as a mono compressor//Lmrtei rvLthrelease gating
trtr Used wth a903, a 907 creates alrue stereo Ov€r Easy compressotlimiter with precision re ease
qal'9trtrD,claer,delel'olpro/ioe-dicLrdlesleeoeqpol-ereqa'oersorigaptse
rp a io.-F ps trO SSo'1term ras a.ays s ol l5e,nprL s'g-alprcudes srpe o.qau! rclor. whi, '
eiai1ale-aLdibl. pJap q -tr rl4'raladj-.lob.qale -ode releoce rar6 a lods yoJ ro dere n re
for olo r"e907 rolds 4saaleoucrol$l-e tles,onarlevel soeow -eqdr-oreslod
trtrSlaporgcapabilyalo*cnJLipegar.eobe.ied.ogel.qror196rlr-i-oa;ooperalon
nput mpedance: balan@d : 25k-ohms. unbaanced :18.5k-ohms
oulplt mpedance:22 ohms, desiqned to drve 600 ohmsormore
Maximum npLl level: +24dBm
Maimun output evel: + 24 dBm inro 600 ohms or more
FreqLencyresporse:20 Fz-20 kHz 11 dB
Disroliorarrhlrpconoressio^'kHz0dBm.r/pral/0.0r".rrdha'mor'.a_d02""3'dla. ori
Equ va err noLrnose 85 dBT. 20 Fz-20 112. j {e€nreo
Release gate ihresho d I variab e lrom 40lo+10d8
Belease are gar.drode iTe.rlri-):0 05 dB/sFdo 2odEhF
ContTo s: RELEASEGATETHFESI]OLD
Switches: SLAVE CHANNEL lN/Out R ELEASE GATE lN/Oul
Powe. FqJ.em.lrs 14VrFgulared.r60-A. 2rV r..eg rar.d.r 30-A
Dimensions 5l4'h by 1 j :"w, card depth 9','
No e rhe907r-srb€Lsed$rrha-ooe 903 con[ols r1e903,90/ co- brlar'o. ecompressor
atack rate, release rate, ihreshold, compress ^1(r on ral o and oltputgar (see903 speciications).
Th€ F-900 Powered Fnne accommodates eighl operatlonal and one spare module Ln lust 5'/i'olEck space Athome in thestudio
yet tough enough to wjthsland the rLgo6 ol the iad il is also Aexible enoiqh to Let you riconnqure your systen quickly and easily just
by changjngmodules Its healy duty power supply provides troubie fteeoperaiion Wide double sided gold platedcontact areas
andbilurcated edged connectols ensure posjtjre conneclion between PC board and morherboard and pfuvjde ar extra measure ol
relEbility ever when modules are plugged and unplugged ftequently The iactoryinstailed connector e jrinq ard busing eliminaies
sold er co.n eclion s ro tle motherbo. rd H oo kups de made rhrough srandard prolessional barier srrLp connectors, which ar. eco
nori cal.Iel]able and easy ta uie
CD E thl operal onalmodues [l in]ust 5la"ofracl space Dtr l-leavy-duty power supply meanstrouble-lree operaiion flE Scresin lasreners hold modules
in thelrameand 6.sure positve relenl on even on lhe road Dtr Bairerslripconnectorsarereiable and easy lo use trD Module connect ons and signal
busing are on the motherboard, which e minales so derconnections Dtr Exaemdy rugged sreeland exrruded aumlnum construction sia.ds !p ro the
Thisframe s a so availab e as the F900U ai unpowered version. Nore thatusing a sing e :! 15 V dc powersupply in p ace ol rhe 124 V supply spe.if ed
wir reduc6 headroon ard LED briqhiness.
Power requiemerrs: 100 120. 220. 24o v a.. 50160 Hz
tl0%. e^ternalv switchableat rear oa.e
Power.onqrmdi# an w:hc n.m n2
Co.'€crors inpJ /oLlp"L o€rre FTinali pos er o rLoul aro
npLl,6-pinJones fema e a24, tT5V
Moduecapacity 8 o perational bays, 1 spar,A
oowe cLppy c"-e'rcapdc'ry: r.0 A. - l5 V dc req-tar-d,
,0.54. 124 V dc urreolraled -
Sw tches/indrcators. i lumi;ared power swrrch
Dimens ons:514'h by 19"w by 14'd
dkx
M enrs and spe.ii. 'ons
e subje
dbx and Ove! Easy are legsrered lrademalks of db* Inc,
PLM and Infinity + are tradehalks of dbx lnc.
?33t0M-60015t