Introduction Thank you for purchasing the QUALIA INDIGO Series Preamplifier. Please read this Owner's Manual thoroughly before using the product so CONTENTS that its high-quality audio can be enjoyed for years to come. 1. Introduction .....
Safety Precautions How to Use Audio Equipment Correctly Before using the product, please read the Safety Precautions and Owner's Manual thoroughly and use the product correctly. Keep this Owner's Manual at hand for future reference. Symbols ● The Safety Precautions and the product use various symbols to help users use the product safely and correctly and also prevent any hazard or damage to you, other people, or property.
D – E: XLR connectors ( PIN 2 HOT +) OUTPUT 1 : RCA connectors OUTPUT 2 : XLR type connectors ( PIN 2 HOT +) POWER IN (Fischer connector): A connector used to connect the Power Cable from the INDIGO Series Power Supply.
Part Names (Power Supply) INDIGO Pre Power Supply (1) Front Panel Power indicator (2) Rear Panel Rch Power outlet Lch Power outlet Power switch (Fischer connector) (Fischer connector) AC power inlet Voltage indication (15 AMP IEC type) (operate the Power Supply Fusebox only at the voltage indicated) (3) Power Cables...
Positioning and location of the units WARNING Install this equipment in a location with adequate space for ventilation and heat release. If this equipment is installed in a location where it will be exposed to direct sunlight, extremely high temperature (for example near a heater), high humidity, or dust, a failure may occur even if heat is released smoothly.
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(1) Installation recommended by QUALIA & Co. Install the INDIGO Preamplifier Main Unit on a top panel of a sturdy rack if possible. Install the Power Supply separately from the Main Unit. Main Unit Power Supply (2) When installing this equipment on a middle shelf of a rack Install the INDIGO Preamplifier Main Unit on a sturdy open-type rack without sides or a back panel.
Connection of Power Cable WARNING Note: Be sure to connect the power cable before connecting the AC power cord. Connecting cables in an incorrect order may damage the Main Unit and result in an electric shock. Be sure to connect the cables as described below. Connect the power cable into the POWER OUT (RIGHT) socket on the Power Supply with the red dot on the Fisher connector facing up.
Disconnection of Power Cable 1. Set the Power switch on the Power Supply to OFF. 2. Disconnect the AC power cord from the power outlet on the wall (or power strip). 3. While supporting the Main Unit with one hand, hold and pull the latching sleeve of the Fisher connector of the power cable using the other hand.
Connection (Input) ● When connecting a cable, confirm that the power cable is not connected. Connecting a cable with the power on may damage the Main Unit and the equipment to be connected, which may result in an electric shock. ●...
Note: This device is not a balanced amplifier. When connecting a balanced cable, be sure to match the polarity of the equipment to be connected with this device. If a cable needs to be customized so that it can be connected properly, please contact the dealer or cable manufacturer.
Connection (Output) CAUTION ● When connecting a cable, confirm that the power cable is not connected. Connecting a cable with the power on may damage the Main Unit and the equipment to be connected, which may result in an electric shock. ●...
CAUTION ● When connecting a cable, confirm that the power cable is not connected. Connecting a cable with the power on may damage the Main Unit and the equipment to be connected, which may result in an electric shock. ● Before connecting equipment, thoroughly read the instruction manual for the power amplifier and turn off the power.
WARNING ● Connection of AC Power Cord ● Before connecting the AC power cord, confirm that cables are properly connected to input/output terminals and the Power switch is set to OFF once again. ● Do not place heavy articles on the power cord. Confirm that the cord is not crushed under this equipment.
● Basic Operation CAUTION ● Before turning on the power, confirm that cables are properly connected once again. ● Before turning on the power, be sure to confirm that the volume of the INDIGO Preamplifier is lowered to the minimum. Turning on the power of this equipment with a high volume may damage the speakers.
(3) Select a program source. Select a program source to be used using the input selector equipped on the front panel of the Main Unit. The input select knob can be found on the left side of the front panel. Input selector Volume control (4) Set the volume to a desired level.
(6) Turn off the power. Follow the steps below to turn off the power. Lower the volume of the preamplifier to the minimum, turn off the power of the power amplifier, and then turn off the power of this equipment. ...
WARNING How to Replace Fuse • Replace the fuse only when instructed to do so by the Service Department of QUALIA & Co. QUALIA & Co. is not responsible for any failure of the Main Unit or bodily harm caused by replacement of the fuse without instruction from QUALIA &...
● Maintenance Before servicing or moving this device, be sure to turn off its Power switch, pull out the power plug from the wall socket, and disconnect external connection cables. Damaged cords can cause fire or electric shock. To clean this equipment, wipe it with a soft cloth such as commercially available cleaning cloth. When the device is extremely dirty, gently remove dirt using a soft slightly dampened cloth.
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