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Airfield Audio Liminator 2 Owner's Manual

Class a dual transformer stereo compressor
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LIMINATOR 2
CLASS A DUAL TRANSFORMER STEREO COMPRESSOR
OWNER'S MANUAL
www.airfieldaudio.com

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Summary of Contents for Airfield Audio Liminator 2

  • Page 1 LIMINATOR 2 CLASS A DUAL TRANSFORMER STEREO COMPRESSOR OWNER’S MANUAL www.airfieldaudio.com...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SECTION PAGE INTRODUCTION INSTALLATION FRONT PANEL CONTROLS OPERATION SPECIFICATIONS WARRANTY AND REGISTRATION - 1 - www.airfieldaudio.com...

  • Page 3: Introduction

    In fact, a main feature of the Liminator 2 is the inclusion of 2 switchable input transformers per channel for a great range of flexibility and tone. In addition, dual power supplies are incorporated for absolute minimum crosstalk and maximum stereo separation.

  • Page 4: Installation

    INSTALLATION REAR PANEL VIEW 1. IMPORTANT : SET THE MAINS SWITCH ON THE REAR PANEL TO THE CORRECT VOLTAGE. 2. Be certain that the unit has a ½ AMP fuse (115 VAC mains) or ¼ AMP fuse (230 VAC mains). 3.

  • Page 5: Front Panel Controls

    FRONT PANEL Continuously variable adjustment. A. THRESHOLD This control determines the amount of gain reduction. Fully counter-clockwise (ccw), gain reduction is off. Fully clockwise (cw), gain reduction is at maximum. 5 position rotary switch, ccw: fastest, cw: slowest. B. ATTACK 5 position rotary switch, ccw: fastest, cw: slowest.

  • Page 6: Operation

    4. Set OUTPUT controls to unity gain position (12 o’clock noon). 5. Set ATTACK, RELEASE, and RATIO switches to straight up (12 o’clock noon). The Liminator 2 has been designed so that this position is a useful starting point. These switches can be adjusted to taste from this position.
  • Page 7 Select Bypass (true relay bypass) for comparison between unprocessed and compressed signals. 14. Select LINK when both Liminator 2 channels are used together for stereo recording, mixing or mastering. The gain reduction control voltages are thus mixed, which stabilizes the sound-stage image and prevents drift between channels.

  • Page 8: Specifications

    SPECIFICATIONS INPUT IMPEDANCE: 15KΩ with Transformer 1, Balanced, Pin 2 hot 1.2KΩ with Transformer 2, Balanced, Pin 2 hot OUTPUT IMPEDANCE: 75Ω Balanced, Pin 2 hot FREQUENCY RESPONSE: ± 0.25dB, 20 Hz to 20 kHz - 2dB at 10 Hz, -2dB at 68 kHz with Transformer 1 - 2dB at 10 Hz, -2dB at 120 kHz with Transformer 2 NOISE: less than -80 dB, 20 Hz to 80 kHz, -92 dB typical below operating level DISTORTION: less than .02% THD at unity gain, 4dBu input level...

  • Page 9: Warranty And Registration

    Under the terms of this warranty, Airfield Audio Inc. will repair or replace the part or parts of the product which prove to be defective (except meter lamps, which are guaranteed for 6 months from date of purchase), provided the purchaser gives Airfield Audio prompt and satisfactory proof thereof.

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