Page 1: ...Quad Expander Gate Operating Manual mm Version 1 0 Mav 1 991 0 c 1991 Symetrix Inc 4211 24th Ave West Seattle WA 98199 USA Telephone 206 282 2555 Fax 206 283 5504...
Page 2: ...ls and Switches 5 2 5 Rear Panel Connections 6 3 Fast First Time Setup 8 3 1 Connections 8 3 2 Switch Settings 8 3 3 Rotary Control Settings 8 3 4 Meter Readings 8 4 Applications 9 4 1 Introduction 9...
Page 3: ...allows extensive signal manipulation to solve problems found in both studio and live environments With all controls Ix ing fully variable the level of perfonttance you are able to extract from the S...
Page 4: ...VGA what to do In a fret uency con scious expander or gale laipass and I lipass controls Lin idiled to the Control Uxip in order to re slricl the range of fret uencies fed to the an ilog u nv puter Uy...
Page 5: ...nside of and out of the 564E The levels and impedance at the INPUTS and OUTPUTS are designed to match all common line level systems All conneaors arelocatedon the rear panel all switches and controls...
Page 6: ...or example are not line level and should not he plugged directly into the Doing so w ill not damage the unit Init will result in excessive noise The overall level in any signal chain is determined to...
Page 7: ...f i7 c sc c 5 d GATE EXPAND Deleniiinos whether the 5 hK operates as either an expander lci x kwise or a jtale lcoiinter c Kkwise I he expander ratio is increased as the control is rotated ckK kwise T...
Page 8: ...y Rear panel space con sirainis require ihe use of a single 1 R S tip rin sleeve connector for both the in out SIDIiCHAIN access to the VGA s contr l l K p and for e xiernal key input signals This jac...
Page 9: ...z i c c c S P 2 S e V 5 D c I i rs I i s SC V 5 7 2 ii SPo e o CO m w CO r Q w w L P 7 8 2 I 5 e In situations where the 56 E drives an unbalanced h ad pin 3 must be grounded The balanced output sour...
Page 10: ...pcnik reading and will accur ilely track the atlenuaiion of the VCA voltajje Meter Reaclinns eomrolled amplifier Mower RK1 KASK limes will kcvp the lllelerin i HD s li hled longer Ivcausc they inick i...
Page 11: ...d on a gale it falls to a predetermined level as set l y the RANGH control Not so when u sing a downward expander Since we are now dealing with a RATIO setting instead t f HANGh the allemialion is sti...
Page 12: ...l falls below threshold so only the desired signals are allowed U pass MODE GAIN REDUCTION dB 40 20 12 g 6 3 W OOOOOO 200 IK 3 10 _ 20 FAST SLOW 60dB 1 3 THRESHOLD RELEASE GATE EXP x nirol sellings fo...
Page 13: ...se as much attenuation as needed hut no more than necessary FAST A lTACK TIMK will sometimes ca ate an audihle uirn on click Sometimes the click can lx used to enhance the percussive effetl of the sou...
Page 14: ...ST NORM 200 SLOW IK IN OUT 10 MODE GAIN REDUCTION dB 40 20 12 9 6 3 oooooo 0 3 020 FAST SLOW eOdB 1 3 THRESHOLD RELEASE GATE EXP Stan otf with the Hipa ss filler in the full counter clockwise position...
Page 15: ...cinmnel 4 5 Sound Re enforcement Console Sub Outs Most of the consoles on tlie road out there are of the eijihl Mihj roup ouipui arieiy Assign each subgroup output to one channel of the AfHE s When th...
Page 16: ...h pntcess ing in your rack that sounds ga ai hut the signal to m i se ratio is less than desirable Sometimes one would listen to a prtK essing device and say Well that s pretty quiet hut it s collecti...
Page 17: ...e In small to medium size club stages it is not uncommon for the center mic singer to Ik jiust 2 4 feet in front a the tirum set hashing away directly hehintl him lokay or her If you wish apply some r...
Page 18: ...time is set to long EFFECT FROM GATE Hipass filter is set fully clockwise while Lopass filter is set fully counter clockwise The VCA thinks the signal has been nulled out to the point it is considerab...
Page 19: ...quare wave applied to key input 80dB Threshold 40dBv to 20dBv Expander Soft knee Attack Fast 50dB 2mS Attack Slow 50dB 2mS Release Fast 50dB 7 sec Release Slow 50dB 8 5 sec Ratio 1 1 to 1 3 Max Attenu...
Page 20: ...totally filtered out of the VGA s eye With this setting a signal entering the 564E at OdB will appear at a 45dB level at the control circuit This is below the minimum threshold point of the 564E so no...
Page 21: ...fee We ll pay llie return I reighl I lowever if you send il to us in some kind f flimsy non Symeirix pac kaging we II liave to charge you for proix r shipping malerial s We won t return the unit in an...
Page 22: ...ANV IM1 l ll i X AKRANTIKS IXCM DINC l l i NkSS l OR A I ARTICIilAR I liRl OSI OK MI IKCIIANT Aiiii m svMi rr Rix inc s warkania om ic Ario and iu yi k s ri imi diks iii ki iindi i ARi SOl l l V AND x...
Page 23: ...10 5 64 PCB L A Y 0 U T S C H E M AT I C S oooo iiiliyi H ii E 3E3EI SUMBiliE 5BMBH W FP...
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Page 25: ...iRD t DAUGHTERBOARD C B l I UPPER P C B...
Page 26: ...RANS OAMen...
