Coda FET Phono Preamplifier 06X User Manual

TECHNOLOGIES INC.
FET PHONO PREAMPLIFIER 06x
OPERATION MANUAL
SAFETY PRECAUTIONS 1
INTRODUCTION 2
INSTALLATION 3
DESIGN 7
TECHNICAL DATA 9
CARE & HANDLING 10
WARRANTY 11
WARRANTY REGISTRATION 12
WARNING 2
!
CAUTION
CAUTION
WARNING
WARNING
!
SERVICING TO QUALIFIED SERVICE
CAUTION: TO PREVENT ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER
SERVICEABLE PARTS INSIDE, REFER
PERSONNEL.
THIS SYMBOL IS INTENDED TO ALERT YOU OF THE PRESENCE OF IMPORTANT OPERATING AND MAINTENANCE INSTRUCTIONS IN THE LITERATURE ACCOMPANYING THE UNIT.
THIS SYMBOL IS TO ALERT YOU OF THE PRESENCE OF UNINSULATED DANGER­OUS VOLTAGE WITHIN THE UNIT'S ENCLOSURE THAT MAY BE OF SUFFI­CIENT MAGNITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK.
WARNING:
TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. TO AVOID ELECTRICAL SHOCK, DO NOT OPEN THE UNIT. REFER SERVICING TO QUALIFIED PERSONNEL.
Never install or remove the power cord from the chassis unless it has been disconnected from the AC power source first. Never pull on the power cord when removing it from an AC power source. Grasp it by the plug. Do not leave the power cord connected to an AC power source unless it is connected to the unit. It is recommended that during extended periods of nonuse the unit's power cord be unplugged from its AC power source. Route the AC power cord so that it will not be damaged or walked on.
CAUTION -
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-
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INTRODUCTION 3
Thank you for selecting Coda Technologies and our precison line of of high definition, high value audio components. The Phono Preamplifier 06x is a precision device, designed in an effort to provide the listener with unmatched sound quality, design, and construction which will provide you with many years of listening enjoyment.
In order to operate your preamplifier properly and to realize all of the capabilites of the 06x, we recommend that you read this entire manual carefully to insure maximum benefit from your audio system.
INSTALLATION 4
UNBALANCED INPUT
BALANCED INPUT
THGIRTFEL
RIGHTLEFT
PUSH
PUSH
!
FOR CONTINUED PROTECTION AGAINST SHOCK OR FIRE HAZARD,DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
AC LINE INPUT SEE SERIAL TAG FOR POWER REQUIREMENTS
~
GROUND
BALANCED OUTPUT
THGIRTFEL
UNBALANCED OUTPUT
RIGHTLEFT
UNBALANCED PREAMPLIFIER
BALANCED PREAMPLIFIER
UNBALANCED
PHONOGRAPH
PHONOGRAPH
BALANCED
The first section of the installation instructions for the 06x covers basic configuration of the preamplifier. These brief steps will bring the 06x into operation. Make sure during installa­tion that the preamplifier and all other components of your audio system are unpowered. The diagram below shows the basic configuration, but we recommend you read the whole manual in detail to ensure the best performance out of your Coda equipment.
INSTALLATION 5
HIGH
LOW
UNBALANCED
BALANCED
HIGH
LOW
HIGH
LOW
HIGH
LOW
Section 1
Section 2
I. Chassis
WARNING: NEVER OPERATE THIS UNIT WITH THE TOP COVER REMOVED. NEVER MAKE ANY
INTERNAL ADJUSTMENTS WHILE THIS UNIT IS CONNECTED TO AN AC POWER SOURCE.
1. Prior to installing the unit some configuration can be made internally, including input selection and per-channel gain and loading. With the unit unplugged, remove the cover using the supplied Allen key. There are six gain switches split into two sections and two input selector switches. The input will be set from the factory to unbalanced and the gain will be set to the default low/low settings. Refer to the diagram below to identify the two gain sections and the settings for the input switches.
Cartridge Type Section 1 Section 2
High-output moving-magnet Low Low
Medium-output moving-coil Low High
Low-output moving-coil High High
GAIN CONFIGURATION SWITCHES (MAIN BOARD, LEFT END, TOP-DOWN VIEW)
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