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DUAL 31- BAND GRAPHIC EQUALIZER

3

EQ-2231A

Short Form Instructions

1. Prior to connecting the AC or DC power, adjust the LEVEL slider control to the fully attenuated position (all

the way down).

2. All other sliders should be set to the “0” or center position.

3. The BYPASS switch should be in the OFF position.

4. Connect  an  appropriate  line  level  input  signal  to  either  the  balanced  XLR  or  the  balanced  Euroblock

connector marked INPUTS.

5. Connect  the  OUTPUTS  using  either  the  balanced  XLR  or  the  balanced  Euroblock  connector  to  an

appropriate device.

6. With the power switch in the OFF position, plug in the supplied Universal AC power cord to the product

and an appropriate AC source.

7. Depress the power switch to the ON position. The power indicator will illuminate.

8. The product is ready for operation. Slowly increase the LEVEL slider to the desired operating level without

exceeding “0”, then make other adjustments as necessary.

9. Operate the product and the system in a manner which DOES NOT illuminate the PEAK warning indicator.

Содержание EQ-2231A

Страница 1: ...Operation Manual Dual 31 Band Graphic Equalizer EQ 2231A...

Страница 2: ...he AC Cord The socket outlet shall be installed near the equipment and shall be easily accessible CAUTION These servicing instructions are for use by qualified service personnel only To reduce the ris...

Страница 3: ...y Instructions 2 Short Form Instructions 3 Features 4 Accessories 4 Front Panel 5 Rear Panel 7 Applications 8 Operation 9 Treating Feedback 9 System Tuning 10 Troubleshooting 11 Assistance 11 Block Di...

Страница 4: ...s or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A g...

Страница 5: ...tor marked INPUTS 5 Connect the OUTPUTS using either the balanced XLR or the balanced Euroblock connector to an appropriate device 6 With the power switch in the OFF position plug in the supplied Univ...

Страница 6: ...2dB Signal Bypass switch allows for a quick assessment of the effect of the equalizer s settings Peak warning indicator active 6dB below peak Selectable Cut Only or Boost Cut operation Selectable 80Hz...

Страница 7: ...dB or a 12dB range in the boost cut mode In the CUT ONLY mode the position of this switch changes the adjustments from 12dB to 24dB In most cases the 6dB 12dB in cut only range is sufficient Excessive...

Страница 8: ...this switch determines whether the product operates normally or allows the signal to bypass all equalization settings and pass through unaffected The switch will illuminate when it is in the BYPASS m...

Страница 9: ...e corresponding balanced Euroblock output connector 4 BALANCED EUROBLOCK INPUT CONNECTORS One balanced male Euroblock input connector is provided for channel This connector is wired in Parallel to the...

Страница 10: ...DUAL 31 BAND GRAPHIC EQUALIZER 8 EQ 2231A Applications Applications...

Страница 11: ...how close it is to causing feedback then return it to the 0 position Do this one time for each slider making note of the two or three most prone to feeding back these are the frequencies of interest...

Страница 12: ...ign not equalization determines the general parameters of system performance Do not attempt to counteract design shortfalls with an equalizer An equalizer is the perfect tool for making frequency spec...

Страница 13: ...ted slide controls below 80Hz have little or no affect Probable cause The HPF has been engaged as confirmed by the illuminated corresponding LED Symptom Low output even with reasonable settings approx...

Страница 14: ...DUAL 31 BAND GRAPHIC EQUALIZER 12 EQ 2231A Block Diagram Block Diagram...

Страница 15: ...Frequency 20Hz 25Hz 31 5Hz 40Hz 50Hz 63Hz 80Hz 100Hz 125Hz 160Hz 200Hz 250Hz 315Hz 400Hz 500Hz 630Hz 800Hz 1kHz 1 25kHz 1 6kHz 2kHz 2 5kHz 3 15kHz 4kHz 5kHz 6 3kHz 8kHz 10kHz 12 5kHz 16kHz 20kHz EQ GA...

Страница 16: ...DUAL 31 BAND GRAPHIC EQUALIZER 14 EQ 2231A DIMENSIONS 440 5...

Страница 17: ...vailable by contacting your warranty provider Variations and Options Variations and Options Variations Products supplied through legitimate sources are compatible with local AC power requirements Opti...

Страница 18: ...NOTE...

Страница 19: ...any but rather a global company that is truly international in scope with factories and offices in Korea and China and sales and marketing operations located in Japan Europe and the U S A With more th...

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