The lightning flash with arrowpoint in an equilateral triangle means that there are dangerous voltages present within the unit. The exclamation point in an equilateral triangle indicates that it is necessary for the user to refer to the owner’s manual. These symbols warn that there are no user serviceable parts inside the unit. Do not open the unit. Do not attempt to service the unit yourself. Refer all servicing to qualified personnel. Opening the chassis for any reason will void the manufactu

The 481 DriveRack® includes all of the functionality and features of the 480 DriveRack®. The 481 incorporates 4 inputs and 8 outputs using Euroblock connectors. The 481 DriveRack® also has a streamlined front panel which makes it ideal for permanent install applications. All programming functions of the 481 DriveRack® can be performed through a 480 master, the 480R, or via the Windows GUI. By using the DriveRack® network system, up to 99 DriveRack® units can be chained together. The 481 DriveRac

Operation is subject to the following two conditions: . this device may not cause harmful interference, and . this device must accept any interference received, including interference that may cause undesired operation. Operation of this unit within significant electromagnetic fields should be avoided. . use only shielded interconnecting cables. DECLARATION OF CONFORMITY ManufacturerOs Name: dbx Professional Products ManufacturerOs Address: 8760 S. Sandy Parkway Sandy, Utah 84070, USA declares t

DO NOT BLOCK ANY OF THE VENTILATION OPENINGS. INSTALL IN ACCORDANCE WITH THE MANU- FACTURER’S INSTRUCTIONS. DO NOT INSTALL NEAR ANY HEAT SOURCES SUCH AS RADIATORS, HEAT REGISTERS, STOVES, OR OTHER APPARATUS (INCLUDING AMPLIFIERS) THAT PRODUCE HEAT. ONLY USE ATTACHMENTS/ACCESSORIES SPECIFIED BY THE MANUFACTURER. UNPLUG THIS APPARATUS DURING LIGHTNING STORMS OR WHEN UNUSED FOR LONG PERIODS OF TIME. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two b

With the introduction of the DriveRack™ , dbx Professional Products has redefined the standard by which all other loud speaker management systems will be based This manual will be your guide to understanding the full functionality of the powerful 480, 481, 482 and 480R DriveRack™ units. By combining the different components, the configuration possibilities are limitless. After you have become familiar with the unit, we encourage you to experiment and find the most effective and efficient way to

If OverEasy. is disabled, this led indicates that the signal is above the level set by the Compressor Threshold control and that compression is occuring. The O0O led illuminates when the signal is in the OverEasy. portion of the compression curve. In this region the ratio varies as a function of signal level between 1:1 and the ratio set by the Ratio control. This led will not light when the OverEasy. function is off. The O-O led illuminates when the signal is below the level set by the Compress

The 442 is based on the same operating system as the DriveRack® 480 and offers the user four inputs and four outputs on XLR connectors. Each channel has EQ in the form of a 9-Band Parametric or a 31-Band Graphic and Notch Filters. In addition the 442 features a filter set that can be used to create a Highpass, Lowpass or Bandpass filter. Dynamics processing is available on all channels with a Compressor/Limiter that emulates the classic dbx 160. The output section of the 442 offers delay, output

Sandy, Utah 84070 Phone (801) 568-7660 Fax (801) 568-7662 Int’l Fax (801) 568-7583 customer@dbxpro.com A Harman International Company RANGE OUTPUTLEVEL (dBu) LOWCUT EQBYPASS INPUTGAINdB -12 0 +12 +/-15CLIP -6+6 25 40 63 100 160 250 400 16k10k6.3k4k630 1k 1.6k 2.5k +18+100-10 1215-15+15 RANGE OUTPUTLEVEL (dBu) LOWCUT EQBYPASS INPUTGAINdB -12 0 +12 +/-15CLIP -6+6 25 40 63 100 160 250 400 16k10k6.3k4k630 1k 1.6k 2.5k +18+100-10 -15+15The dbx 12 Series were designed to meet the needs of the most dem

The 131 provides not only offers standard features like single-channel, 31, 1/3 octave bands, ISO frequency centers, +/- 12 dB input gain range, and switchable 50Hz/12 dB per octave low-cut filter, but also includes other insightful features. These features include 20 mm faders; selectable +/-6dB or +/-12dB boost/cut range for precise gain adjustments; XLR, and 1/4" TRS connectors for installation ease; balanced inputs and outputs for quiet operation. The visionary design of the dbx 2-Series mak

Go into the Setup mode by pressing and holding the channel 1 MODE button. 2. Hold this MODE button until the filter LEDs flash all the way across. 3. The Mode buttons should be lit a yellow or amber color. If they are not press each MODE button until they are both yellow. The filter LEDs will indicate how many total filters will be active. 4. Select how many total filters that you want active. The default of 24 is a good place to start. However, if you want to change the total # of filters, pres