KAHAYAN Proaudio 12K72 Series Operator's Manual

KAHAYAN Proaudio 12K72 Series Operator's Manual

Stereo and mono microphone preamplifier

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12K72
STEREO AND MONO MICROPHONE PREAMPLIFIER
OPERATOR'S MANUAL
Version 1.0
Avd. de la Estación 4, local bajo
Zarzalejo, Madrid 28293
Spain
admin@kahayan.es
www.kahayan.es

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Summary of Contents for KAHAYAN Proaudio 12K72 Series

  • Page 1 12K72 STEREO AND MONO MICROPHONE PREAMPLIFIER OPERATOR'S MANUAL Version 1.0 Avd. de la Estación 4, local bajo Zarzalejo, Madrid 28293 Spain admin@kahayan.es www.kahayan.es...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS…………………………………3 INTRODUCTION…………………………….……………………………..4 USE AS A MICROPHONE PREAMPLIFIER……………………………..5 RECORDING ELECTRIC INSTRUMENTS ..……………………….……5 USE AS LINE AMPLIFIER INSERTED IN THE STEREO MIX……….…6 POWER SUPPLY…………………………………………………………..6 SPECIFICATIONS & WARRANTY.……………………………...………..8 RECALL SHEET…………………………………………………………….9 CREDITS…………………………………………………………...………10...
  • Page 3: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS 1. Read these instructions 2. Keep these instructions 3. Heed all warnings 4. Follow all instructions 5. Do not use this apparatus near water 6. Clean only with dry cloth 7. Install in accordance with the manufacturer's instructions 8.
  • Page 4: Introduction

    INTRODUCTION The 12k72 is a high class preamplifier which contains a ‘module’ per channel. The main feature of these ‘modules’ is a sound completely clear and transparent, with deep bass and an extremely natural treble. The components used in manufacturing come essentially from the same manufacturers that supplied the ones used originally, reproducing and expanding the benefits of these.
  • Page 5: Use As A Microphone Preamplifier

    USE AS A MICROPHONE PREAMPLIFIER Set the input switch in the Mic position. For proper calibration input gain should be placed to gain control at -20db and the control Output in the position indicated by a small arrow where distortion remains below 0.1%. Then turn up the gain control until the signal has a maximum level, but without audible distortion (which is very evident in your ear when present).
  • Page 6: Use As Line Amplifier Inserted In The Stereo Mix

    USE AS LINE AMPLIFIER INSERTED IN THE STEREO MIX Set the input switch in the Line position. At this time the useful scale becomes that shown in orange and around the Gain and Output control. In this position the phantom power off automatically. The unbalanced output on the rear (OUT N.B.) is taken before the output transformer which gives a subtly different colour from the balanced output.
  • Page 7: Power Supply

    POWER SUPPLY The 12K72 has a power supply that must be connected to the 5 pin XLR founded on the rear of the preamp. NOTE: Don´t forget that the external power supply has an on/off switch. See Safety Instructions on page 3 SPECIFICATIONS •...
  • Page 8: Specifications & Warranty

    • Unbalanced: Jack Mono. The signal is taken before the output transformer giving another colour to the balanced output • Max. Gain: XLR input: 65 db • Output control: Key steps of 12 positions adjustable in 1dB steps (the typical fader function) •...
  • Page 10: Credits

    NOTICE OF COPYRIGHT AND OWNERSHIP All designs, circuit board artwork, front panel artwork, text contained herein and therein, and all other intellectual material is the sole property of Pablo Kahayan from Kahayan Audio. Unauthorized use, distribution, reproduction, etc. is strictly prohibited. Kahayan intellectual property is protected by international copyright laws.

This manual is also suitable for:

12k72-m

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