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© 2003 TDM Audio, Inc. 

Graphic Equalizer Owner’s Manual 

Page 3 

Table of Contents 

INTRODUCTION .......................................................................................................................................................4 

D

ESCRIPTION

..............................................................................................................................................................4 

A

BOUT 

T

HIS 

M

ANUAL

................................................................................................................................................4 

FUNDAMENTALS .....................................................................................................................................................5 

W

HY 

E

QUALIZERS ARE 

N

EEDED

.................................................................................................................................5 

E

QUALIZER 

T

ERMINOLOGY

........................................................................................................................................6 

30GE S

ERIES 

S

PECIAL 

F

EATURES

..............................................................................................................................6 

MOUNTING THE UNIT IN A RACK......................................................................................................................8 

HOOKING UP THE EQUALIZER...........................................................................................................................9 

W

HAT 

Y

OU

’

LL 

N

EED

.................................................................................................................................................9 

T

HE 

B

ASIC 

H

OOK

-U

P

.................................................................................................................................................9 

I

NSTRUMENT 

E

QUALIZATION

.....................................................................................................................................9 

OPERATING THE EQUALIZER...........................................................................................................................11 

F

RONT 

P

ANEL 

C

ONTROLS

.........................................................................................................................................11 

A

DJUSTING THE 

E

QUALIZER

.....................................................................................................................................12 

U

SING THE 

N

OTCH 

F

ILTERS

......................................................................................................................................13 

TROUBLESHOOTING AND SUPPORT...............................................................................................................14 

N

O 

S

IGNAL 

O

UTPUT

.................................................................................................................................................14 

D

ISTORTION

.............................................................................................................................................................14 

E

XCESSIVE 

N

OISE

.....................................................................................................................................................15 

60 H

ERTZ 

H

UM OR 

B

UZZ

..........................................................................................................................................15 

C

ONTACTING 

TDM ..................................................................................................................................................16 

SPECIFICATIONS ...................................................................................................................................................17 

 

Содержание 30GE-1

Страница 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...

Страница 2: ...l of the equipment following the equalizer output lines is turned off or all of the inputs are turned down The unit should be plugged in only when it has been established that the main AC line is supp...

Страница 3: ...SERIES SPECIAL FEATURES 6 MOUNTING THE UNIT IN A RACK 8 HOOKING UP THE EQUALIZER 9 WHAT YOU LL NEED 9 THE BASIC HOOK UP 9 INSTRUMENT EQUALIZATION 9 OPERATING THE EQUALIZER 11 FRONT PANEL CONTROLS 11...

Страница 4: ...are high performance 1 3 octave constant Q graphic equalizers The 30GE 2 provides two channels of equalization in a three rack space package while the 30GE 1 provides one channel in a two rack space p...

Страница 5: ...perature air movement and the number of people in an area Additionally some rooms just have poor acoustics because of other practical considerations Acoustics are often not the first consideration whe...

Страница 6: ...sound of filters remains constant as the center frequency varies In graphic equalizer design this means that each of the filters has the same effect on its range of frequencies as all of the other fi...

Страница 7: ...rs 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 re...

Страница 8: ...series equalizer in the rack as desired Make sure the mounting holes in the equalizer line up with the screw holes in the rack rails Use four standard 10 32 rack screws for each equalizer We recommend...

Страница 9: ...t voltage current and frequency This information is printed on the rear panel of your TDM 30GE series equalizer Before connecting the equalizer signal cables make sure that any power amplifiers are of...

Страница 10: ...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...

Страница 11: ...ontrols on the front panel of the unit The 30GE 2 has two channels while the 30GE 1 has only one All channels are identical so you only need to understand how a single channel works Here is a list of...

Страница 12: ...eded from there At this time raise the levels of your power amplifiers to their regular operating levels You can verify that the unit is set truly flat by running a sound source through the system byp...

Страница 13: ...truments and especially microphones and acoustic guitar pickups because a lot of boosting can still cause feedback problems Using the Notch Filters When a particular frequency is problematic for examp...

Страница 14: ...that is known to be good If this fails it s likely that your signal source is malfunctioning or that there is some problem with the way the individual components of the source are connected If the sig...

Страница 15: ...the noise is probably present in your signal source You can remove the TDM 30GE series graphic equalizer from the signal path by simply pressing the hard wire bypass switch If you suspect that the TDM...

Страница 16: ...s direct input or DI boxes These let you plug an instrument such as a guitar or bass directly into a microphone input The problem is that the musician playing the guitar or bass might be using an ampl...

Страница 17: ...Notch sweep 50 500 400 4k 1k 10k High pass filter Internal jumper Slope 18 dB octave 3dB point 26Hz Output Type Floating and balanced Connectors XLR and 1 4 Phone Output Impedance 300 Ohms Input Type...

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