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Biamp SPM723 Operation Manual
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Biamp SPM723 Operation Manual

Programmable stereo preamp/mixer
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SPM723
Programmable
Stereo Preamp/Mixer
Operation Manual
Biamp Systems, 10074 S.W. Arctic Drive, Beaverton, Oregon 97005 U.S.A.
(503) 641-7287
www.biamp.com
an affiliate of Rauland-Borg Corp.

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Summary of Contents for Biamp SPM723

  • Page 1 SPM723 Programmable Stereo Preamp/Mixer Operation Manual Biamp Systems, 10074 S.W. Arctic Drive, Beaverton, Oregon 97005 U.S.A. (503) 641-7287 www.biamp.com an affiliate of Rauland-Borg Corp.
  • Page 2 print update September 7, 2005...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION Front & Rear Panel Features pgs. 2 & 3 The SPM723 provides seven stereo line inputs, two mono mic/line inputs, and three stereo outputs. Complete programmability and control of the SPM723 Setup pgs. 4~13 includes independent left/right levels for each input and output, mic/line routing &...

  • Page 4: Front & Rear Panel Features

    On Indicator: When the power transformer is plugged in, and AC serviceable parts inside the unit). If the internal fuses blow, they power is applied to the SPM723, the red On indicator remains lit. will attempt to re-set after a short period. However, this may be an When power is removed, all 'current' settings (sources, levels, indication that the SPM723 requires service.
  • Page 5 Override: This plug-in barrier strip provides Line Input 7 eight logic inputs for controlling the SPM723 via contact- Override, which is a priority selection of that input over all other closures (see Logic Inputs on pg. 14). Logic Input functions are stereo line inputs.

  • Page 6: Setup

    Once the software is started (and Comm Port Configuration is set), the control screens are accessed via the drop-down menus at the top of the opening screen. The Mix screen appears whenever an SPM723 file is opened, and it has four tabs: Main Program, Zone Program, Mic/Line 1 / Mic/Line 2, &...
  • Page 7 SETUP ZONE PROGRAM SCREEN The Zone Program tab on the Mix screen provides level faders & mute buttons for mixing Line Inputs 1~7 to the Zone Output. The faders on each input can be assigned for separate left/right or stereo ganged operation. Line Input 7 includes a signal level meter, and can be assigned as either a normal unbalanced stereo line input or as a special balanced mono line input.
  • Page 8 SETUP MIC/LINE 1 / MIC/LINE 2 SCREEN The Mic/Line 1 / Mic/Line 2 tab on the Mix screen provides level faders & mute buttons for mixing Mic/Line Inputs 1 & 2 to both the Main & Zone Outputs. The faders on each input can be assigned for separate left/right or stereo ganged operation. Each Mic/Line Input includes adjustable Gain, with a Peak indicator and a signal level meter.
  • Page 9 SETUP AUX OUTPUT SCREEN The Aux Output tab on the Mix screen provides faders which can be assigned for separate left/right or stereo ganged operation, and includes a mute button, a 3-band mid-sweep EQ, and a signal level meter. In addition, the Aux Output may be switched from stereo operation to mono operation (a mono sum of the left/right signals then appears at both outputs).
  • Page 10 Clear allows all actions assigned to the selected button (or all buttons) to be cleared. Help provides additional instruction. Try It causes the actions currently assigned to the selected button to be performed by the SPM723. Close will close...
  • Page 11 LOGIC INPUT DEFINITION SCREEN The Logic Input Definitions screen is accessed through the Configure SPM723 menu, and is used to assign specific ‘actions’ to the Logic Inputs. Logic Inputs allow remote control of the SPM723 via external circuits, such as switches, contact-closures, active driver circuits, and/or ‘open-collector’...
  • Page 12 ‘new’ file for the desired product. The Serial Number & Firmware Version are not displayed for ‘new’ (off- line) files. Device Name allows a custom name to be given to the SPM723, by entering up to 30 characters of text. The Device Name will be stored in the SPM723 memory, and will be displayed on the title bar of the Mix screen whenever that SPM723 is accessed using the software.
  • Page 13 MUTE 1 / MIC 1 SCREEN The Configuration Options screen is accessed through the Configure SPM723 menu, and the Mute 1 / Mic 1 tab on the Configuration Options screen is then used to select options which customize the function of the Mic/Line 1 Mute terminal (see Front & Rear Panel Features on pg.
  • Page 14 MUTE 2 / MIC 2 SCREEN The Configuration Options screen is accessed through the Configure SPM723 menu, and the Mute 2 / Mic 2 tab on the Configuration Options screen is then used to select options which customize the function of the Mic/Line 2 Mute terminal (see Front & Rear Panel Features on pg.
  • Page 15 CHANNEL 7 OVERRIDE SCREEN The Configuration Options screen is accessed through the Configure SPM723 menu, and the Channel 7 Override tab on the Configuration Options screen is then used to select options which customize the function of the Override terminal (see Front & Rear Panel Features on pg.

  • Page 16: Logic Inputs

    ‘low’ (less than +0.8 VDC), and is de-activated when its input goes ‘high’ (greater than +2.4 VDC). A Logic Input is controlled in one of three ways: 1) Use an NPN style ‘open-collector’ logic output from an external device (such as a BIAMP PMX84 or DRC4+4) to short the Logic Input to ground.

  • Page 17: Logic Outputs

    (logic outputs). Multiple Logic Outputs may be combined (wired in parallel) to control a single circuit. The SPM723 Logic Outputs are ‘open collector’ outputs. Each Logic Output is an NPN transistor with the collector being the output and the emitter being ground (see diagram below).

  • Page 18: Rs-232 Control

    RS-232 CONTROL The SPM723 has an RS-232 Serial Port, which allows it to be controlled by a computer (see Front & Rear Panel Features on pg. 2). In addition to the BiampWin software, the SPM723 offers two other methods of computer control.
  • Page 19 Serial Port Data Communications Parameters: The SPM723 communicates through the Serial Port at the factory default rate of 38400 bits per second, with 8 data bits, 1 stop bit, and no parity. The SPM723 utilizes a subset of the standard 7-bit ASCII character set. The eighth data bit of each character (the most significant bit) should always be 0.

  • Page 20: Specifications & Block Diagram

    19 inches (483mm) Stereo Line Inputs 1~6 (unbalanced) +18dBu depth 11 inches (191mm) Line Input 7 (stereo/unbalanced – mono/balanced) +18dBu Weight: < 10 lbs. (3.86kg) SPM723 Block Diagrm stereo line main main input (1~5) main mono/ stereo output zone...

  • Page 21: Warranty

    WARRANTY BIAMP SYSTEMS IS PLEASED TO EXTEND THE FOLLOWING 5-YEAR LIMITED WARRANTY TO THE ORIGINAL PURCHASER OF THE PROFESSIONAL SOUND EQUIPMENT DESCRIBED IN THIS MANUAL 1. BIAMP Systems warrants to the original purchaser of new THIS WARRANTY IS IN LIEU OF ALL OTHER products that the product will be free from defects in material WARRANTIES, EXPRESS OR IMPLIED.

  • Page 22: Declaration Of Conformity

    Declaration of Conformity Biamp Systems, Inc., as the manufacturer, hereby declares that the following described product, in our delivered version, complies with the provisions of the DIRECTIVES except as noted herein. In case of alteration of the product, not agreed upon or directed by us, this declaration is no longer valid.