Arrel Audio CL–122 User Manual

Four band parametric equalizer

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CL–122
Four Band Parametric Equalizer
User Manual
Issue 0.2

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Summary of Contents for Arrel Audio CL–122

  • Page 1 CL–122 Four Band Parametric Equalizer User Manual Issue 0.2...
  • Page 2: Safety Instructions

    ARREL Audio SAFETY INSTRUCTIONS WARNING Always follow the precautions listed below to avoid any possibility of serious injury or even death from electrical shock, short- circuiting, damages, fire or other hazards. These precautions include, but are not limited to, the following: ...
  • Page 3: Arrel Audio Contacts

    Info: info@arrel-audio.com Web: www.arrel-audio.com Support: http://www.arrel-audio.com/support ARREL Audio is continuously working to the improvement of its systems and related documentation. In any case, we reserve the right to change the specifications without notice but in respect to the current legislation. Disclaimer: The information contained in this manual has been carefully checked and we believed is accurate at the time of publication.
  • Page 4: Table Of Contents

    ARREL Audio TABLE OF CONTENTS ARREL Audio Contacts ......................3 TABLE OF CONTENTS ....................... 4 INTRODUCTION ......................... 5 Housing and Rack Mounting ....................5 CL-122 Front Panel Controls and Operations ..............6 Power supply switch ......................6 Input Section: gain Control ....................6 Input section: by-pass switch ...................
  • Page 5: Introduction

    ARREL Audio INTRODUCTION The ARREL Audio CL-122 is an advanced modular 2-channel equalizer conceived to meet the versatility demands of professional recording and mastering engineers. The CL- 122 features 4 parametric bands. Special analog design techniques have been used to obtain a precise control of the sound structure down to the minimum details.
  • Page 6: Cl-122 Front Panel Controls And Operations

    ARREL Audio CL-122 Front Panel Controls and Operations POWER SUPPLY SWITCH The CL-122 power-on switch is located in the right region of the front panel. The power on state is indicated by the illumination of the switch (Fig. 1). INPUT SECTION: GAIN CONTROL The input section gain control knob is located in the INPUT section of each channel.
  • Page 7: Eq Section: General

    ARREL Audio EQ SECTION: GENERAL Each control described in the EQ section is applicable to the four bands (LO, MID1, MID2, HI) of each channel of the stereo equalizer. EQ SECTION: Q CONTROL KNOB Turn the Q knob in order to select the required Q value (Fig.
  • Page 8: Appendix A: External Connections

    ARREL Audio APPENDIX A: External connections FIG. 5 CL-122 external connections CL-122 User Manual, Issue 0.2 Page 8...
  • Page 9: Appendix B: Half Front Panel

    ARREL Audio APPENDIX B: Half Front Panel FIG. 6 CL-122 half front Panel CL-122 User Manual, Issue 0.2 Page 9...
  • Page 10: Appendix C: Front Panel

    ARREL Audio APPENDIX C: Front Panel FIG.7 CL-122 front Panel CL-122 User Manual, Issue 0.2 Page 10...
  • Page 11: Appendix D: Back Panel

    ARREL Audio APPENDIX D: Back Panel FIG.8 CL-122 Back Panel CL-122 User Manual, Issue 0.2 Page 11...
  • Page 12: Technical Specifications

    ARREL Audio TECHNICAL SPECIFICATIONS CLASSIC SERIES MODULAR CABINET SPECIFICATION MECHANICAL SPECIFICATION Construction 19" 2U rack mount metal box The Classic Series unit can be factory assembled with one or two Number of Modules Classic Series modules W 483 mm / 19”, H 88.90 mm /1.75” (1 RU), D 225 mm / 8.86”...

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