Nady Systems GEQ131, GEQ 215, GEQ 231 User Manual

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GEQ Series

Graphic Equalizers

Owner’s Manual

 

LOW

 

20

25

32

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

20K

 

 

EQ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

+12

CUT

+12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+12

 

+20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+6

 

+6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+6

GEQ 131

+3

ON

+13

+3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+3

0

OFF

0

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

31 BAND

-3

-3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-3

-6

 

-5

-6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-6

GRAPHIC EQUALIZER

-12

 

 

-12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-12

 

GAIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

40

63

100

160

250

400

630

1K

1.6K

2.5K

4K

6.3K

10K

16K

+6

 

 

 

 

 

 

 

 

 

 

 

 

 

+6

+3

 

 

 

 

 

 

 

 

 

 

 

 

 

+3

0

 

 

 

 

 

 

 

 

 

 

 

 

 

0

-3

 

 

 

 

 

 

 

 

 

 

 

 

 

-3

-6

 

 

 

 

 

 

 

 

 

 

 

 

 

-6

-12

 

 

 

 

 

 

 

 

 

 

 

 

 

-12

-12

0

CH 1

+20 +13 0 -5

+12

ON

dB

OFF

 

 

 

25

40

63

100

160

250

400

630

1K

1.6K

2.5K

4K

6.3K

10K

16K

+12

 

 

 

 

 

 

 

 

 

 

 

 

 

+12

+6

 

 

 

 

 

 

 

 

 

 

 

 

 

+6

+3

 

 

 

 

 

 

 

 

 

 

 

 

 

+3

0

 

 

 

 

 

 

 

 

 

 

 

 

 

0

-3

 

 

 

 

 

 

 

 

 

 

 

 

 

-3

-6

 

 

 

 

 

 

 

 

 

 

 

 

 

-6

-12

 

 

 

 

 

 

 

 

 

 

 

 

 

-12

0

-12 +12

CH 2

+20 +13 0 -5

ON

dB

OFF

 

GEQ 215

DUAL 15 BAND

GRAPHIC EQUALIZER

Contents

Features........................................................................................

2

Warning.........................................................................................

3

Installation....................................................................................

4

Front Panel Controls & Connections.........................................

5

Rear Panel Controls & Connections..........................................

6

Typical Set-Up...............................................................................

7

Sound Reinforcement Applications................................................

7

Musical Instrument Applications.....................................................

7

Studio Applications.........................................................................

7

Specifications...............................................................................

8

Notes.............................................................................................

9

Congratulations on your choice of graphic equalizer

than any other equalizer in its price range. Please read this

— you have purchased one of the finest graphic equalizers

manual carefully to get the most out of your new unit. .

on the market today. This unit was developed using the

 

expertise of professional sound engineers and working

Thanks for selecting NADY AUDIO as your choice in

musicians. You will find that your new NADY AUDIO

graphic equalizers.

Equalizer has superior performance and greater flexibility

 

 

 

Features

• GEQ 131: 1 Channel, Single Rack Space, 31 -1/3rd Octave

• Ultra low-noise circuitry

Bands

• Low-cut filter at 40Hz, 12dB/octave, switchable, .

• GEQ 215: 2 Channel, Single Rack Space, 15 -2/3rd Octave

with status LED

Bands Each Channel

• Band range: +/- 12dB gain

• GEQ 231: 2 Channel, Double Rack Space, 31 -1/3rd Octave

• Center detents on faders

Bands Each Channel

• Variable input level control (+/-12dB)

• Balanced/unbalanced (XLR and 1/4” TRS) input/output

• Equalizer ON/OFF bypass switch with status LED

connectors

• Gain status LED bargraph with peak LED

• Constant Q bandwidth from each filter with 3% center

• Power switch with integral LED “ON” indicator

frequency accuracy

• Shielded internal power supply with AC

• Parallel filter design for minimal phase distortion

• Compact and durable all-steel chassis design

Nady Systems GEQ131, GEQ 215, GEQ 231 User Manual

Warning

1.Read all instructions before using the product.

.Do not use this product near water (e.g., near a bathtub, washbowl, kitchen sink, in a wet basement, or near a swimming pool, etc.).

3.This product should be used only with a cart or stand that will keep it level and stable and prevent wobbling.

4.This product, in combination with headphones or speakers, may be capable of producing sound levels that could cause permanent hearing loss. Do not operate for a long period of time at a high volume level or at a level that is

uncomfortable. If you experience any hearing loss or ringing in the ears, you should consult an audiologist.

5.The product should be positioned so that proper ventilation is maintained. 6.

6.The product should be located away from heat sources such as radiators, heat vents, or other devices (including amplifiers) that produce heat.

7.The product should be connected to a power supply only of the type described in the operating instructions or as

marked on the product. Replace the fuse only with one of the specified type, size, and correct rating.

8.The power supply cord should: (1) be undamaged, (2) never share an outlet or extension cord with other devices so that

the outlet’s or extension cord’s power rating is exceeded, and (3) never be left plugged into the outlet when not being used for a long period of time.

9.Care should be taken so that objects do not fall into, and liquids are not spilled through, the enclosure’s openings.

10.The product should be serviced by qualified service personnel if:

A.The power supply cord or the plug has been damaged.

B.Objects have fallen into, or liquid has been spilled onto the product.

C.The product has been exposed to rain.

D.The product does not appear to operate normally or exhibits a marked change in performance.

E.The product has been dropped, or the enclosure damaged.

11.Do not attempt to service the product beyond what is described in the user maintenance instructions. All other servicing should be referred to qualified service personnel.

An equilateral triangle enclosing a lightning flash/arrowhead symbol is intended to alert the user to the presence of uninsulated

“dangerous voltage” within the product’s enclosure which may be of

sufficient magnitude to constitute a risk of electric shock.

ATTENTION: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR

An equilateral triangle enclosing an exclamation point is intended to alert the user to the presence of important operating and service instructions in the literature enclosed with this unit.

 

 

 

 

 

 

 

Date of Purchase

Dealer’s Name

 

 

 

 

 

 

 

 

 

 

City

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State

Zip

 

 

 

 

 

 

 

Model #

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Serial #

 

 

 

 

 

 

 

 

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