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Electronaut M63 User Manual

Vacuum tube microphone/instrument preamplifier
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USER'S MANUAL

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Summary of Contents for Electronaut M63

  • Page 1 USER’S MANUAL...
  • Page 2 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! E L E C T R O N A U T   C O M P A N Y Helvetica neue condensed black tracked like crazy, like 400 or something.
  • Page 3 E L E C T R O N A U T   C O M P A N Y Helvetica neue condensed black tracked like crazy, like 400 or something. Usual logo is without concentric circles. Website has the concentric circles. USER’S MANUAL Electronaut M63 Vacuum Tube Microphone/Instrument Preamplifier...

  • Page 4: Table Of Contents

    REPLACING THE TUBES REPLACING THE FUSE REPLACING THE PILOT LAMP BULB REPLACING THE VU METER BULBS A NOTE ABOUT POWERING DOWN THE M63 WHEN THE PAD IS ON WARRANTY & REGISTRATION SERVICING SPECIFICATIONS E L E C T R O N A U T   C O M P A N Y Helvetica neue condensed black tracked like crazy, like 400 or something.

  • Page 5: Contact Information

    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/...

  • Page 6: Ce Declaration Of Conformity

    (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.

  • Page 7: Introduction

    • Pilot Lamp – There is no reason to pay any attention to the lamp socket since the bulb is accessed from the front panel of the M63, but it might be worthwhile to take note of the type of base the pilot bulb has so that you know what to expect when you remove and replace the bulb eventually.

  • Page 8: Installation

    The M63 should never be so hot as to make it impossible to leave your hand on the top cover for an extended period of time.

  • Page 9: Mains Connections

    Power Switch: The POWER switch turns on the M63 by applying the mains voltage to the power transformer. Make sure the M63 is configured for the proper line voltage before plugging it in and turning it on. See page 10 to configure the line voltage of the M63.

  • Page 10: Rear Panel

    OUTPUT XLR connectors: The Output XLR connectors provide a balanced, line-level output sufficient to drive long cables and/or equipment with 600 ohm inputs, however the M63 will perform best when driving a higher load impedance, such as a typical, modern 20 kΩ bridging input.

  • Page 11: Internal Settings And Adjustments

    M63. Make sure the M63 is properly configured for the mains voltage you intend to use. (See page 10 to configure the M63 for proper line voltages.) The IEC connector also houses the fuse, as well as a tiny little drawer with a spare fuse.

  • Page 12: Vu Meter Calibration

    VU Meter calibration The VU meters in the M63 can be set to the old standard of 0VU = +4 dBu. Alternatively, the meters can be set to a higher reference level so that the meters reach full deflection at or near the maximum level of modern digital recording systems.

  • Page 13: Operation

    Do not over-tighten the screws. 5) Plug the M63 back in and turn it on. See if it helps. If not, repeat the above instructions and try a different setting. It is safe to try any combination of settings.

  • Page 14: Suggestions

    20 dB PAD option, which is not available while in INSTRUMENT mode. For the best tube life, turn the M63 OFF when not in use; however, it is good to avoid a lot of unnecessary ON/ OFF cycles.

  • Page 15: Replacing The Fuse

    240V, 1A 5mm fuse (there’s a spare in the little drawer!) and re-insert the drawer into the IEC connector. In the unlikely event that the fuse blows twice in a row, a fault should be suspected and the M63 should be given to a qualified technician for service.

  • Page 16: Warranty & Registration

    In the unlikely event of a defect, the original purchaser shall contact Electronaut to arrange a return of the M63 to the factory where it will be repaired without charge for parts and labour. The M63 will then be returned to the customer via prepaid freight and insurance through a carrier of Electronaut’s choice.

  • Page 17: Specifications

    E L E C T R O N A U T   C O M P A N Y Helvetica neue condensed black tracked like crazy, like 400 or something. Usual logo is without concentric circles. Website has the concentric circles. USER’S MANUAL Electronaut M63 Vacuum Tube Microphone/Instrument Preamplifier...

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