Electronaut M63 User Manual
USER’S MANUAL
SERIOUSLY!
Read this entire manual before plugging in and turning on the M63, or removing the top cover.
Refer servicing to qualified personnel only!
To prevent electric shock, do not operate the M63 near water or moisture!
USER’S MANUAL
Electronaut M63 Vacuum Tube Microphone/Instrument Preamplifier
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Electronaut M63 Vacuum Tube Microphone/Instrument Preamplifier
USER’S MANUAL
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TABLE OF CONTENTS
CONTACT INFORMATION 4
CE DECLARATION OF CONFORMITY 5
INTRODUCTION 6
INITIAL INSPECTION 6
INSTALLATION 7
MAINS CONNECTIONS 8
OPERATION NOTES 8
FRONT PANEL 8
REAR PANEL 9
INTERNAL SETTINGS AND ADJUSTMENTS 10
CONFIGURING THE M63 FOR 115 OR 230 VOLT OPERATION 10
VU METER CALIBRATION 11
PHANTOM POWER ADJUSTMENT 11
CONFIGURING THE GROUND LIFT SWITCHES 11
OPERATION 12
POWERING UP THE M63 12
SETTING THE GAIN 12
SUGGESTIONS 13
REPLACING THE TUBES 13
REPLACING THE FUSE 14
REPLACING THE PILOT LAMP BULB 14
REPLACING THE VU METER BULBS 14
A NOTE ABOUT POWERING DOWN THE M63 WHEN THE PAD IS ON 14
WARRANTY & REGISTRATION 15
SERVICING 15
SPECIFICATIONS 16
Electronaut M63 Vacuum Tube Microphone/Instrument Preamplifier
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CONTACT INFORMATION
Electronaut Company
333 N Oakley Blvd
Suite #100
Chicago, IL 60612
U.S.A.
info@electronaut.info
(312) 212-3983
All information provided in this manual is thought to be accurate and free of errors at the time of printing;
however, Electronaut Company shall not be held liable for any errors or omissions in this manual, nor any
subsequent damage resulting from the use of the information in this manual. This manual and any future
updates can be downloaded from the Electronaut website, at:
www.electronaut.info/manuals/
This user’s manual contains information protected by copyright. No part of this manual may be
reproduced in any form without prior written consent from Electronaut Company.
Electronaut M63 Vacuum Tube Microphone/Instrument Preamplifier
© 2002-2012 Electronaut Company
M63_UsersManual.pdf
Revision 5, February 2012
USER’S MANUAL
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CONFORMITY
Name of Manufacturer: Electronaut Company
Address of Manufacturer: 333 N. Oakley Blvd
Chicago, IL 60612
U.S.A.
Product: M63 Vacuum Tube Microphone & Instrument Preamplifier
Declaration: The product described above complies with the requirements of the Low
Voltage Directive (73/23/EEC) and the protection requirements of the EMC
Directive (89/336/EEC) issued by the Commission of the European Community.
Compliance with these directives implies conformity to the following
European Standards:
EN 60065:1993 Safety requirements for mains operated electronic and related apparatus for
house hold and similar general use
EN 55103-1:1997 Electromagnetic compatibility - Product family standard for audio, video,
audiovisual and entertainment lighting control apparatus for professional use
(emissions - environmental categories E1 to E5)
EN 55103-2:1997 Electromagnetic compatibility - Product family standard for audio, video,
audiovisual and entertainment lighting control apparatus for professional use
(immunity - environmental categories E1 to E5)
The M63 Microphone and Instrument Preamplifier is also made with entirely lead-free components and is as-
sembled with lead-free solder. The M63 conforms to the RoHS Directive.
Electronaut M63 Vacuum Tube Microphone/Instrument Preamplifier
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