GEQ Series
Graphic Equalizers
Owner’s Manual
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LOW |
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20 |
25 |
32 |
40 |
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63 |
80 |
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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 |
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EQ |
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POWER |
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CUT |
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+20 |
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+6 |
GEQ 131 |
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+3 |
ON |
+13 |
+3 |
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+3 |
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OFF |
0 |
0 |
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0 |
31 BAND |
-3 |
-3 |
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-6 |
GRAPHIC EQUALIZER |
-12 |
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-12 |
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-12 |
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GAIN |
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25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
1K |
1.6K |
2.5K |
4K |
6.3K |
10K |
16K |
+6 |
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+6 |
+3 |
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+3 |
0 |
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0 |
-3 |
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-3 |
-6 |
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-6 |
-12 |
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-12 |
-12
0
CH 1
+20 +13 0 -5
+12 |
ON |
dB |
OFF |
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25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
1K |
1.6K |
2.5K |
4K |
6.3K |
10K |
16K |
+12 |
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+12 |
+6 |
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+6 |
+3 |
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+3 |
0 |
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0 |
-3 |
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-3 |
-6 |
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-6 |
-12 |
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-12 |
0
-12 +12
CH 2
+20 +13 0 -5
ON |
dB |
OFF |
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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 |
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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 |
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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 |
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.
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Date of Purchase |
Dealer’s Name |
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City |
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State |
Zip |
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Model # |
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Serial # |
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