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TDM-Audio 30GE-1 Owner's Manual

Summary of 30GE-1

  • Page 1

    30ge-1 30ge-2 graphic equalizer owner’s manual tdm audio inc. 7270 bellaire ave. North hollywood, ca 91605 (818) 765-6200 tdmaudio.Com tdm a u d i o.

  • Page 2: *** Read Before Using ***

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 2 i mportant ! *** read before using *** caution: the following must be observed to prevent malfunctioning and/or possible equipment damage. • before plugging the unit into the main ac line, make sure that all of the equipment following th...

  • Page 3: Table of Contents

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 3 table of contents introduction .......................................................................................................................................................4 d escription ...........................................

  • Page 4: Introduction

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 4 introduction hank you for purchasing the tdm 30ge series graphic equalizer. These units are made from the finest components and engineered to exacting standards. Precision components are used in all critical circuitry for the finest soni...

  • Page 5: Fundamentals

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 5 fundamentals n equalizer is used to alter the balance of frequencies in an audio signal. In some cases this is done to compensate for the poor acoustic characteristics of a room or the inaccurate frequency response of a speaker system. I...

  • Page 6: Equalizer Terminology

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 6 equalizer terminology • filter: an electronic circuit that changes the levels of some frequencies without altering the levels of others. • frequency band: the range of frequencies that a particular filter operates on. Graphic equalizers ...

  • Page 7

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 7 • notch filters: three sweepable 1/6 octave notch filters per channel provide up to 40 db of selectable cut on a sweepable center frequency. These notch filters let the operator zero in on a problem frequency and remove it from the signa...

  • Page 8: Mounting The Unit In A Rack

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 8 mounting the unit in a rack dm 30ge series equalizers can be mounted in any standard 19” rack. The 30ge-2 requires 3 rack spaces while the 30ge-1 requires only 2. To make mounting easier, lay the rack on its back with the equipment front...

  • Page 9: Hooking Up The Equalizer

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 9 hooking up the equalizer nce your tdm equalizer is installed in the rack, you are ready to hook it up to your equipment. The method used to hook up any equalizer depends on how it will be used. We will try to give you the basics in this ...

  • Page 10

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 10 chorus or flanging units depending on the effect you are trying to achieve. They are typically inserted before delay and reverb units, though they are sometimes used to equalize just the return of a reverb or delay unit to achieve certa...

  • Page 11: Operating The Equalizer

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 11 operating the equalizer nce you have mounted your tdm 30ge series equalizer in a rack and connected all of the cables, the unit is ready for operation. At this time, make sure the input levels of the amplifiers are all the way down. Nex...

  • Page 12: Adjusting The Equalizer

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 12 filter has a different range of available frequencies. The high and low points of the range are marked at the top and bottom of the frequency sliders. • notch filter cut sliders: each notch filter’s cut slider determines the amount of c...

  • Page 13: Using The Notch Filters

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 13 with pa equalization, avoid boosting altogether if possible. It is sometimes advisable to boost the extreme lows (50 and 63 hz) or the extreme highs (12.5 khz and 16 khz) to deal with a pa system that lacks extension on the ends of the ...

  • Page 14: Troubleshooting and Support

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 14 troubleshooting and support his section details various problems that you might encounter when using your equalizer, and the possible causes and solutions. It also tells how to contact tdm when you need service or support for your 30ge ...

  • Page 15: Excessive Noise

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 15 correct supply voltage and frequency (us models are set up for 110 vac at 60 hz). Using a unit designed for 220 volt operation with a 110 volt outlet can cause distortion. One of the most common causes of distortion is improper gain sta...

  • Page 16: Contacting Tdm

    © 2003 tdm audio, inc. Graphic equalizer owner’s manual page 16 the power amplifiers are plugged into a different outlet 100 feet away at the stage. The mixing console is connected by shielded cable to the amplifiers and the shield is grounded. This causes both the mixer and the amps to be individua...

  • Page 17: Specifications

    Specifications filter type constant q non-interactive center frequencies 20,25,31.5,40,50,63,80,100, 125,160,200,250,315,400, 500,630,800,1k,1.25k,1.6k, 2k,2.5k,3.15k,4k,5k,6.3k,8k, 10k,12.5k,16k. Frequency response +0-1.0 db 10 hz - 20 khz total harmonic distortion rl > 2 kohms maximum output level...