Professional Sound Corporation MJR Operation Manual

Portable audio mixer

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PROFESSIONAL SOUND
CORPORATION
M
JR
Portable Audio Mixer
Operation Manual for Mixers with PCB V1.2
Copyright 1999, 2000, 2001, 2002
Professional Sound Corporation
Printed in the U.S.A.

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Summary of Contents for Professional Sound Corporation MJR

  • Page 1 PROFESSIONAL SOUND CORPORATION Portable Audio Mixer Operation Manual for Mixers with PCB V1.2 Copyright 1999, 2000, 2001, 2002 Professional Sound Corporation Printed in the U.S.A.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS DESCRIPTION……………………………………………………………………………4 SAFETY WARNINGS……………………………………………………………………4 APPLICATIONS…………………………………………………………………………..4 FUNCTIONS INPUTS……………………………………………………………………………..5 BALANCED INPUTS INPUT LEVELS MICROPHONE POWERING LOW CUT FILTER CHANNEL GAIN CHANNEL PANS OUTPUTS…………………………………………………………………………...6 MONITOR……………………………………………………………………………6 TAPE RETURNS……………………………………………………………………6 METERS……………………………………………………………………………...7 ADDITIONAL FEATURES………………………………………………………….8 SLATE MICROPHONE REFERENCE OSCILATOR...
  • Page 3 POWERING…………………………………………………………………………..8 INTERNAL POWER CONSTRUCTION…………………………………………………………………….9 CHASSIS ELECTRONIC TOPOLOGY ENVIRONMENTAL OPERATION INTERFACING………………………………………………………………………10 TO BETACAMS TO RDAT RECORDERS TO WIRELESS MICROPHONES SPECIAL NOTES WARRANTY AND NON-WARRANTY SERVICE…………………………………11 SPECIFICATIONS…………………………………………………………………….12...
  • Page 4: Description

    Professional Sound Corporation extends a one-year warranty on parts and labor to all Mjr Mixer owners who return their warranty cards at the time of purchase. This warranty gives you specific rights, which are stated on the card, and enables us to keep you informed of product updates.
  • Page 5: Inputs

    These balanced inputs may be unbalanced if desired. Either pin 2 or 3 may be tied to ground (pin 1) to unbalance the inputs of the Mjr Mixer. Note: The AES standard for unbalancing an XLR connector is to tie pin 3 to ground (pin 1).
  • Page 6: Low Cut Filter

    In the interest of keeping the Mjr Mixer design simple and up to date with today’s technology, we have not offered “12T” or “AB” microphone powering. Although some “12T” microphones are still in existence, all new microphone designs are 48PH.
  • Page 7: Tape Returns

    “prosumer” camcorders. HEADPHONE OUTPUT The Headphone output is located on the rear panel of the mixer. The Mjr Mixer’s headphone amplifier circuitry is designed to drive virtually any headphone with an impedance rating of 32 to 600 Ohms.
  • Page 8: Additional Features

    BATTERY MONITORING The Mjr Mixer is equipped with a two LED battery indicator located on the front panel of the mixer. When the mixer is turned on, the green LED will light when the battery is in good condition. When the battery needs to be replaced, the Green LED will switch off and the Red LED will switch on alerting the operator to replace the battery at his or her earliest convenience.
  • Page 9: Construction

    This process provides a silk-screened label that is virtually wear proof. The lettering will not wear off as on other mixers. ELECTRONIC TOPOLOGY The new Mjr audio mixer was designed from a clean sheet of paper. It utilizes completely new circuitry designs based upon the latest advances in semi conductor technology.
  • Page 10: Interfacing

    Ground PSC manufactures a selection of standard Beta Snake cables for use with the new Mjr Mixer. Please note that the Mjr Mixer and M4mkII Mixers use the same cables. These cables are available in standard and camera breakaway versions from any authorized PSC dealer.
  • Page 11: Warranty And Non-Warranty Service

    The Mjr Mixer can also be used to send audio signals to Betacams via wireless transmitters. The use of transmitters is normally accomplished by connecting the Mjr’s 10 pin output connector to the audio input of the specific transmitter. It is important to note that transmitter placement greatly affects transmit range and clarity.
  • Page 12: Specifications

    Mjr Mixer design is covered under various state, federal and international copyright laws. No portion of this manual or any Mjr mixer technologies may be reproduced without the specific written permission of PSC. All rights reserved. This manual and Mjr features and specifications subject to change without notice.

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