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Requisite Audio Engineering L2M MkII User Manual

L2m mkii mastering limiter and ops-2 outboard power supply

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USER'S MANUAL
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Summary of Contents for Requisite Audio Engineering L2M MkII

  • Page 1 USER'S MANUAL 2 1 0 10 7 r e q u i s i t e r e q u i s i t e 2 1 0 10 7 r e q u i s i t e r e q u i s i t e ��������������������������...
  • Page 2 C O N T E N T S INTRODUCTION IMPORTANT SHIPPING NOTICE GENERAL NOTES MAINS CONNECTIONS / OUTBOARD POWER SUPPLY FRONT PANEL CONTROLS FRONT PANEL CONTROLS (continued) REAR PANEL TUBE & ATTENUATOR CHART UNITY LEVEL ADJUST GAIN REDUCTION METER TRACKING ADJUST REAR PANEL (continued) AUDIO CONNECTIONS POWER CONNECTIONS...
  • Page 3 Furthermore, the L2M is equally at home in tracking and mixing situtations. The L2M MkII is an optical limiter based on classic designs of the early ‘60s, how- ever, the L2M is the beneficiary of many significant improvments and represents what a truly modern optical limiter can be.
  • Page 4 I M P O R TA N T S H I P P I N G N O T I C E Your shipment has been carefully inspected, checked and packaged at our company before being turned over to our carrier. We fully expect your L2M MkII to arrive in your hands without having been harmed.
  • Page 5 SERVICING The user should not attempt to service this unit beyond that described in this manual. Refer all servic- ing, other than tube and opto replacement, to REQUISITE AUDIO ENGINEERING. Internal voltage can exceed 350 VOLTS D.C. !!! ENVIRONMENTAL CONSIDERATIONS This and all electronic equipment require adequate ventilation and a dry enviroment for safe opera- tion and long component life.
  • Page 6: Mains Connections

    M A I N S C O N N E C T I O N S GROUNDING To comply with most Electrical Codes, the L2M MkII Mastering Limiter is supplied with a three-wire IEC style connector, the grounding pin of which is connected to the chassis. In some installations this may create ground-loop problems.
  • Page 7: Front Panel

    F R O N T P A N E L 2 1 0 10 7 r e q u i s i t e r e q u i s i t e 2 1 0 10 7 r e q u i s i t e r e q u i s i t e 1) IN/BYPASS (2 each) - This switch is a "true"...
  • Page 8 � � � � � � � � � � � � � � � � � � � � � � �� �� 2 1 0 10 7 ������������������������� ������������������������� 2 1 0 10 7 ������������������������� ������������������������� � �� �...
  • Page 9 � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �...
  • Page 10 � � � � � � � � � � �� � � � � � � � � � � � � � � � � �� � � � � � � � � � � � � � � � � ����������������������������������������������������������������������������������������������������...
  • Page 11 L 2 M S T E R E O C A L I B R A T I O N CALIBRATION FOR STEREO USE: 1) Set “LINK 1&2/SEPERATE” switch to the “SEPERATE” (down) position 2) Set “PEAK REDUCTION” control fully counter-clockwise “0” (both channels). Wait 5 minutes to allow the optical element to come to a complete rest.
  • Page 12 L 2 M S T E R E O C A L I B R A T I O N 13) We now want to confirm that the “STEREO ADJUST” trimmers are adjusted to give maximum gain reduction from the “PEAK REDUCTION” control setting. Using a trimmer screw driver, adjust each of the “STEREO ADJUST” trimmers until the corrosponding meter shows the highest amount of gain reduction possible.
  • Page 13 ������������������������� � � � � � � � � � � � � � � � � � � � � � � � � � � � ����� ��� ���� ���������� �������� ������ ��� ���� ��� � ��� � ����...
  • Page 14: Warranty

    W A R R A N T Y For a period of 5 years after original purchase, Requisite Audio will, free of charge, repair this product if it fails due to defective materials or workmanship. This limited warranty is subject to the following limitations: 1.
  • Page 15: Warranty Registration

    W A R R A N T Y R E G I S T R A T I O N Please fill out this Warranty Registration form and return it to: Requisite Audio MODEL L2M MkII Mastering Limiter Serial#________________________PurchaseDate_________Supplier_____________ _____________________________...