SABINE FBX1220 Operating Instructions Manual

Manual is about: Feedback Exterminator

Summary of FBX1220

  • Page 1

    O p e r a t i n g quick start setup on back page contents section one — front & back panels 2 1.1. Fbx2420 front panel controls & led indicators 2 1.2. Fbx2420 back panel controls & connections 2 section two — applications 3 2.1. Fbx setup for monitors 3 2.2. Fbx setup for entire mix 3 2.3. Fbx setu...

  • Page 2

    2 1. Setup press and hold this button to begin the fbx setup mode. Filter leds (light emitting diodes) will flash 5 times and the setup led will begin to flash. You are now ready to set fbx filters. 2. Ready the ready led lights when the automatic fbx setup process has completed, or the ready button...

  • Page 3

    Lit-fbx1220-1224-op-en-080208.Pmd - ks 3 © 2008 sabine, inc. Section two — applications 2.2. Fbx setup for entire mix 2.1. Fbx setup for monitors 2.3. Fbx setup for single insert point 2.4. Fbx setup for insert send & return right main send left main send ch. B in ch. A in all other signal processin...

  • Page 4

    4 4.1. Before you begin these instructions apply to both the fbx1220 and the fbx2420. The 2420 is a dual-mono version of the 1220. Your fbx feedback exterminator will improve any sound reinforcement system. The instructions presume that you are familiar with the fundamentals of sound reinforcement. ...

  • Page 5

    Lit-fbx1220-1224-op-en-080208.Pmd - ks 5 © 2008 sabine, inc. 4.2. How to operate your fbx1220 / fbx2420 placeequipment&makeconnections. A. Patch your fbx1220 or fbx2420 into system and make all connec- tions (refer to pages 2 and 3 for connection options). B. Place speakers and microphones in perfor...

  • Page 6

    6 section five — how to use fbx features 5.1. Input / output level switches use the two-position switches on the back panel of your fbx1220 / fbx2420 to compensate for input level or output level requirements. Note: for unity gain (recommended), set the channel's input & output level switches to the...

  • Page 7

    Lit-fbx1220-1224-op-en-080208.Pmd - ks 7 © 2008 sabine, inc. Section six — troubleshooting tips q. Why does my system sound thin and muffled? A. Placethefbxinbypassmode.Ifthesystemstillsounds thin,yourproblemisprobablyimproperuseofagraphiceq. Iftheproblemisreallythefbx,re-initializethesystemand make...

  • Page 8

    8 section seven — fbx theory & practice 7.1. Introduction to fbx® why fbx? Feedback is certainly the most pervasive challenge to the audio industry. The potential appearance of sudden, loud, out-of-control feedback is every sound engineer’s and musician’s nightmare. Unlike more subtle audio quality ...

  • Page 9

    Lit-fbx1220-1224-op-en-080208.Pmd - ks 9 © 2008 sabine, inc. Of course, many savvy sound engineers, realizing the limitations of graphic equalizers in removing problem feedback, prefer to use a different type of equalizer, called a parametric eq, for such applica- tions. If you’re one such audio eng...

  • Page 10: Caution!

    10 warn ing!Thisequipmentmustbeearthed. Caution!Riskofelectricshock.Donotopen. Caution!Shockhazard.Donotremovecovers.Nouserserviceable partsinside.Referservicingtoqualifiedservicepersonnel. Warning!Toreducetheriskoffireorelectricshock,donotexposethis producttorainormoisture. Attention!Cetappareildoi...

  • Page 11

    Lit-fbx1220-1224-op-en-080208.Pmd - ks 11 © 2008 sabine, inc. Limited warranty thislimitedwarrantyvalidonlywhenpurchasedandregisteredinthe unitedstatesorcanada.Allexportedproductsaresubjecttowarranty andservicestobespecifiedandprovidedbytheauthorizeddistributor foreachcountry. Cesclausesdegarantiene...

  • Page 12

    Sabine, inc. • 13301 nw us highway 441 • alachua, florida 32615-8544 usa • phone: (386) 418-2000 • fax: (386) 418-2001 register your fbx equipment online at sabine.Com or ... Push ready anytime to exit setup mode when filter leds cycle left & right, stop raising gain raise gain slowly push & hold se...