Arrel Audio CL-125/4 User Manual

Arrel Audio CL-125/4 User Manual

Quad mic-line preamplifier

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CL-125/4
Quad Mic-Line Preamplifier
User Manual
Issue 0.1

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Table of Contents
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Summary of Contents for Arrel Audio CL-125/4

  • Page 1 CL-125/4 Quad Mic-Line Preamplifier User Manual Issue 0.1...
  • Page 2: Safety Instructions

    [Information on Disposal in other Countries outside the European Union] This symbol is only valid in the European Union. If you wish to discard these items, please contact your local authorities or dealer and ask for the correct method of disposal. CL-125/4 User Manual, Issue 0.1 Page 2...
  • Page 3: Arrel Audio Contacts

    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 the 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 Contacts ......................3 TABLE OF CONTENTS ....................... 4 INTRODUCTION ......................... 5 Housing ..........................5 CL-125/4 Front Panel Controls and Operations ..............6 Input Source selection ...................... 6 Phantom-Power switch ..................... 6 Gain Control knob ......................7 LO-CUT switch ......................... 7 HI-CUT switch ........................
  • Page 5: Introduction

    Even if the input stage of the CL-125/4 111 could accept input signals up to +20 dBu, a special protection circuit limits the input level at +12 dBu in order to prevent any damage.
  • Page 6: Cl-125/4 Front Panel Controls And Operations

    CL-125/4 Front Panel Controls and Operations POWER SWITCH Press the illuminated power-on button to turn on the CL-125/4 (red light on). To turn off press again the power on button (red LED off) (Fig. 1). Fig. 2 CL-125/4 Power on switch INPUT SOURCE SELECTION The CL-125/4 input stage is based on a differential amplifier so it is “electronically...
  • Page 7: Gain Control Knob

    The output level Indicator is based on a 10-LED Bargraph (7 x green LEDs and 3 x red LEDs) that measures in the range +6/-21 dBu, The resolution in 1.5 dB per step. CL-125/4 User Manual, Issue 0.1 Page 7...
  • Page 8: Appendix A: Connections

    ARREL Audio APPENDIX A: Connections FIG. 1 CL-125/4 Connections CL-125/4 User Manual, Issue 0.1 Page 8...
  • Page 9: Appendix B: Front Panel

    ARREL Audio APPENDIX B: Front Panel FIG. 3 CL-125/4 Front Panel CL-125/4 User Manual, Issue 0.1 Page 9...
  • Page 10: Appendix C: Back Panel

    ARREL Audio APPENDIX C: Back Panel Fig. 4 CL-125/4 Back Panel CL-125/4 User Manual, Issue 0.1 Page 10...
  • Page 11: Technical Specifications

    IEC C13 16 A connector, AC mains cord with IEC Schuko 16A Construction 1 U 19" rack mount metal box W 483 mm / 19”, H 44.45 mm/1.75” (1 RU), D 225 mm / 8.86” Dimensions Weight 2.8 kg CL-125/4 User Manual, Issue 0.1 Page 11...

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