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GEQ Series

Graphic Equalizers

Owner’s Manual

31 BAND 

GRAPHIC EQUALIZER

GEQ 131

POWER

+12

+6

+3

0

-3

-6

-12

+12

+6

+3

0

-3

-6

-12

+12

+6

+3

0

-3

-6

-12

20

  32

50

100

200

500

1.25K

2.5K

6.3K

12.5K

25

40

80

160

400

1K

2K

5K

10K

63

125

315

800

250

630

1.6K

4K

3.15K

8K

16K 20K

+20
+13

-5

0

GAIN

LOW 

CUT

EQ

ON

OFF

GEQ 215

+12

+6

+3

0

-3

-6

-12

+12

+6

+3

0

-3

-6

-12

 

1.6K

2.5K

4K

6.3K

10K

16K

25

40

63

100

160

250

400

630

1K

CH

1

+12

+6

+3

0

-3

-6

-12

+12

+6

+3

0

-3

-6

-12

1.6K

2.5K

4K

6.3K

10K

16K

25

40

63

100

160

250

400

630

1K

+20
+13

-5

0

0

-12

+12

dB

ON

OFF

 

CH

2

+20
+13

-5

0

0

-12

+12

dB

ON

OFF

DUAL 15 BAND

GRAPHIC EQUALIZER

Summary of Contents for GEQ 131

Page 1: ...160 400 1K 2K 5K 10K 63 125 315 800 250 630 1 6K 4K 3 15K 8K 16K 20K 20 13 5 0 GAIN LOW CUT EQ ON OFF GEQ 215 12 6 3 0 3 6 12 12 6 3 0 3 6 12 1 6K 2 5K 4K 6 3K 10K 16K 25 40 63 100 160 250 400 630 1K CH 1 12 6 3 0 3 6 12 12 6 3 0 3 6 12 1 6K 2 5K 4K 6 3K 10K 16K 25 40 63 100 160 250 400 630 1K 20 13 5 0 0 12 12 dB ON OFF CH 2 20 13 5 0 0 12 12 dB ON OFF DUAL 15 BAND GRAPHIC EQUALIZER ...

Page 2: ...equalizer you have purchased one of the finest graphic equalizers on the market today This unit was developed using the expertise of professional sound engineers and working musicians You will find that your new NADY AUDIO Equalizer has superior performance and greater flexibility than any other equalizer in its price range Please read this manual carefully to get the most out of your new unit Tha...

Page 3: ...intained 6 The product should be located away from heat sources such as radiators heat vents or other devices including amplifiers that produce heat 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 The power supply cord should 1 be undam...

Page 4: ...130 volts AC at 60Hz power sources Power requirements for electrical equipment differ from area to area In new installations and portable sound systems or any situation in which the AC power is in question it is wise to confirm the voltage before connecting the instrument to power sources PRECAUTIONS Protecting yourself from electric shock Never touch the plug with wet hands Always pull out by the...

Page 5: ...o remove unwanted low frequencies from the signal to prevent stage rumble and low frequency resonance that can occur while using speakers in an enclosed acoustic environment The LED status indicator will light yellow when the Low Cut is enabled 4 EQ ON OFF This switch enables or bypasses the equalizer filters If you disable the EQ ON OFF switch the LED will turn off and the unit will be in bypass ...

Page 6: ...fuse when this is blown out If they continuously blow stop replacing the fuse and refer servicing to qualified personnel CAUTION After checking the AC supply voltage be sure that the correct fuse is in the fuse holder A 20mm glass tube 500mA 250V fast blow fuse should be used 9 Input Output Connectors Balanced XLR and 1 4 TRS Inputs and unbalanced output jacks for line level operation Line level s...

Page 7: ... measure of protection is added to the system without severely affecting the overall sound quality In noisy environments the audio signal may be tailored for better intelligibility and penetration This is especially useful for public address systems Creative use of the equalizer allows shaping of the signal for a more pleasing sound or for special effects The only limits are those of taste and ima...

Page 8: ... Ωs Maximum Level 20dBV Clip LED Threshold 3dB Below Clipping Low Cut Filter 40Hz 12dB octave Frequency Response 20Hz 20KHz 1dB THD Noise 0 008 1KHz all faders at mid position Signal to Noise Ratio 95dB 1KHz Channel Separation 60dB 1KHz Line Voltage 100 130V AC 50 60Hz Power Consumption Maximum 15 watts SIZE 19 W X 3 5 H X 5 D 2U 48 2cm X 8 8cm X 12 7cm For 231 19 W X 1 75 H X 8 66 D 1U 48 2cm X 4...

Page 9: ... Notes ...

Page 10: ...il at service nady com International For service please contact the NADY AUDIO distributor in your country through the dealer from whom you purchased this product Do not attempt to service this unit yourself as it can be dangerous and will also void the warranty NADY SYSTEMS INC 6701 Shellmound Street Emeryville CA 94608 Tel 510 652 2411 Fax 510 652 5075 www nady com ...

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