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Comrex Buddy User Manual

Remote mixer
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Buddy Remote Mixer
Section
1
Introduction........................................................................................3
2
Mixer....................................................................................................5
3
Monitor Matrix ..................................................................................6
4
Telephone........................................................................................... 7
5
Frequency Extender ..........................................................................8
6
PA System...........................................................................................9
7
Special Features.................................................................................10
8
Technical Facts ..................................................................................11
9
Maintenance.......................................................................................13
10
Applications.......................................................................................14
11
Special Hookups................................................................................16
12
Schematics.........................................................................................17
Description of the Buddy
Description of the mixer section
Description of the monitor matrix
Description of the telephone circuitry
Description of built-in frequency extender
Description of PA system feeds
Channel 1, Spotter and Aux-in
Miscellaneous facts, including connecting cable pin-outs
Who to call
How to connect a hybrid or second phone line
Drawings
Buddy Remote Mixer
1

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Summary of Contents for Comrex Buddy

  • Page 1: Table Of Contents

    Buddy Remote Mixer Buddy Remote Mixer Section Introduction..................3 Description of the Buddy Mixer....................5 Description of the mixer section Monitor Matrix ..................6 Description of the monitor matrix Telephone................... 7 Description of the telephone circuitry Frequency Extender ................8 Description of built-in frequency extender PA System...................9...
  • Page 2 Most items are available off-the-shelf, either directly from Comrex or from our stocking dealers. Comrex stands behind its products. We promise that if you call us for technical assistance, you will talk directly with someone who knows about the equipment and will do everything possible to help you.
  • Page 3 The mix is available on the rear panel through a 3-pin XLR connector marked . The following sections will go into PROGRAM OUTPUT more depth on each area of the Buddy and then we will show you some applica- tion examples.
  • Page 4 Comrex Corporation Specifications Connections Levels Program in: Microphone input, (4) 3-pin XLR female including Spotter: Headphone out: -70 to -30 dBu balanced (4) 1/4" phone jack Line input, Aux-in: including Aux-in and Spotter: 3-pin XLR female -4 to +8 dBu balanced Spotter mic/line: (Channels 3, 4 &...

  • Page 5: Mixer

    Each channel MICROPHONE has a separate slide fader for controlling levels. The faders in the Buddy are manu- factured by Penny & Giles and are the same as those used in the very best broad- cast and recording consoles.

  • Page 6: Monitor Matrix

    Comrex Corporation ECTION ONITOR ATRIX Connectors Four 1/4" phone jacks Located on front panel, top left Operation The monitor section controls what each headphone receives. There are four rows of color coded knobs in two columns located to the right of center on the front panel.

  • Page 7: Telephone

    The circuitry also contains an adjustable HYBRID receive level control. If the telephone line is dialed into the Buddy, a red LED marked ring will light up when the line is ringing. The push-button will enable the line to be picked LINE SEIZE up or released.

  • Page 8: Frequency Extender

    REQUENCY XTENDER A one line frequency extender encoder is included in the Buddy. This frequency extender can be used to significantly improve the quality of program sent over a standard dial-up telephone line or cellular telephone (see Telephone, page 7.) A one line frequency extender decoder is required at the receiving end.

  • Page 9: Pa System

    If a remote broadcast or a remote talkshow is being conducted with an audi- ence watching, some means of making it possible for them to hear may be desired. The PA feed section of the Buddy is a two input mixer with gain control for each input.

  • Page 10: Special Features

    The level control is located on the top right of the front panel. If you plan to use the Frequency Extender and telephone line built into the Buddy for program transmission, you may want to interface a second phone line for full time cueback from the station.

  • Page 11: Technical Facts

    The program output level may be set to either 0 dBu or +4 dBu by means of a toggle switch on the rear panel. Power The power can be set to eight 115 volts AC or 230 volts AC through a switch on the rear panel of the Buddy. Pin-outs Reference Connector...
  • Page 12 “audio high” signal to pin 2, and connect the audio ground to pins 1 and 3. Likewise, when feeding unbalanced equipment inputs from the Buddy, connect pin 2 to the “audio high” input pin, and connect pins 1 and 3 to the audio ground input.

  • Page 13: Maintenance

    We at Comrex stand behind this products as we do with all our products. If you do have any problem with the Buddy, please call us first. We can listen to your feed and often diagnose problems and offer suggestions that will correct the problem.

  • Page 14: Applications

    Comrex Corporation ECTION PPLICATION XAMPLES The spotter mic can be selected into each of the headsets. This input is switchable between mic/ line, so a stadium PA could be fed Program Host into here. Channels 3 and 4 are switchable...
  • Page 15 In this setup, a post-game talk show is being sent on ISDN. There is a host and two guests at the remote site, along with a producer. The Buddy is connected to a Digital Audio Codec (in this instance the Comrex Nexus) for 15 kHz mono program feed and return audio. Call- ers are fed down the return ISDN channel from the station into the mixer's auxiliary input and are heard in both the headphones and the PA output.

  • Page 16: Special Hookups

    Program Output is used to provide the mix-minus back to the caller. Note: If you are using the Buddy to feed an ISDN or SW56 codec, you can connect the codec return audio into SPOTTER (rather than the AUX-IN) to bring the return audio into the headsets.

  • Page 17: Schematics

    Buddy Remote Mixer ECTION CHEMATICS...

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