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Symetrix 450 User Manual

Dual zone priority mixer
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450 Dual Zone Priority Mixer

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Summary of Contents for Symetrix 450

  • Page 1 450 Dual Zone Priority Mixer...

  • Page 2: Table Of Contents

    Symetrix part number 53450-0C00 Subject to change without notice. ©1999, Symetrix, Inc. All right reserved. Symetrix is a registered trademark of Symetrix, Inc. Mention of third-party products is for informational purposes only and constitutes neither an endorsement nor a recommendation. Symetrix assumes no responsibility with regard to the performance or use of these products.

  • Page 3: Chapter 1 Introduction

    The 450’s flexibility and simplicity make it the perfect choice for a wide variety of systems. By accepting audio inputs from virtually any type of audio source and selectively routing to either the mono or stereo output zone the 450 can save you time and money in the design and installation of your next project.

  • Page 4: Chapter 2 Operator Safety Summary

    User-serviceable parts There are no user Controls, switches or other markings APITALS serviceable parts inside the 450. In case of failure, on the 450’s chassis. refer all servicing to the factory. Servicing is Boldface Strong emphasis.

  • Page 5: Chapter 3 Fast Setup

    Fast Setup Chapter 3 If you’re in a hurry to get the 450 into your sound system and don’t have time to thoroughly read this manual, the following steps will probably be enough to get you started: Turn all front panel gain controls down.

  • Page 6: Chapter 4 Mic/Line Inputs

    Mic/Line Inputs Chapter 4 Front Panel MIC/LINE IN 1 (PRIORITY 1) MIC/LINE IN 2 (PRIORITY 2) ZONE ASSIGN GAIN ZONE ASSIGN GAIN ZONE 1 ZONE 1 +15dB +15dB ZONE 2 HIGH PASS ZONE 2 HIGH PASS Zone Assign - Any input can be assigned to either the mono or stereo output zone, or both, or neither.
  • Page 7 INPUT SELECT INPUT SELECT XLR Input Jack - In order to fit all the inputs and outputs onto the 450’s rear panel, we combined the Mic/Line Input jacks into one balanced XLR connector that can handle both. This jack is wired...

  • Page 8: Chapter 5 Stereo Line Inputs

    Tip = (high, +) Sleeve = (ground, shield) Though you’ll be able to plug most line level outputs directly into the 450, some sources may need adapters. See Appendix A for proper wiring. Mono/Stereo Operation - Line Inputs 3-10 are arranged in stereo pairs; each pair is assigned to a single gain control on the front panel.

  • Page 9: Chapter 6 Output Zone Master

    Option #2 - If you’re using a programmable remote control system that has the ability to supply an external voltage to the 450, no problemo. Wire it as seen in Diagrams 3 or 4 on the following page. The dB/Voltage gain scale is 5dB/V, Unity gain = 11.5V. Note that the +15V control voltage supplied by the 450 (on the tip of the TRS connector) is not used in this configuration.
  • Page 10 Remote Control Wiring Diagram 1 50K LINEAR POTENTIOMETER OPTIONAL RING 6K04 RESISTOR SLEEVE Diagram 2 FOR LONG DISTANCE OR NOISY ENVIRONMENTS (OVER 100 FEET) 50K LINEAR POTENTIOMETER 3 CONDUCTOR WITH SHIELD SHIELD CONNECTED AT PLUG END ONLY RING OPTIONAL SLEEVE 6K04 RESISTOR Diagram 3 RING TO VOLTAGE SOURCE...

  • Page 11: Chapter 7 Priority Override Muting

    Priority Override Adjustment - This control is the trim adjustment found next to each Zone Out Master level control on the 450’s front panel (see the front panel drawing on page 7). It varies the trigger threshold of the Priority Override muting function. i.e. The muting function activates when the audio level on a Priority channel exceeds this setting.

  • Page 12: Chapter 8 Applications

    Zone 2 which LOGIC ZONE 1 we have drawn as a stereo sound PRIORITY 1 (MONO) ZONE 1 ASSIGN system in the bar area. The 450 PRIORITY 2 ZONE 1 ASSIGN PRIORITY 3 mutes only the foreground music’s ZONE 1 ASSIGN...
  • Page 13 Meeting/Presentation Rooms with Remote Control In meeting rooms, the 450 is flexible LECTURN MUSIC/ REMOTE enough to handle both speech VIDEO VOLUME CONTROLS reinforcement and audio playback MIC/ MIC/ LINE LINE LINE LINE at the same time, even if you’re...

  • Page 14: Chapter 9 Troubleshooting

    Check input and output cables and connections. Determine that there really is a signal coming from the source and that it is getting to the 450. Make sure that the input signal is assigned to Zone 1 or Zone 2 or both.

  • Page 15: Chapter 10 Specifications

    The 450 shall incorporate a four level priority muting system as follows. High priority inputs shall mute or duck all lower priority inputs that are assigned to the same output zone when audio is present at the higher priority input.

  • Page 16: Chapter 11 Warranty & Service

    In no event will Symetrix be liable for any incidental or consequential damages including but not limited to damage for loss of...
  • Page 17 Servicing the 450 If you have determined that your 450 requires repair services and you live outside of the United States please contact your local Symetrix dealer or distributor for instructions on how to obtain service. If you reside in the U.S. then proceed as follows: At the Symetrix factory, Symetrix will perform in-warranty or out-of-warranty service on any product it has manufactured for a period of five years from date of manufacture.

  • Page 18: Appendix A Input/Output Connections

    (-) = UNUSED (-) = NOT USED = GROUND = GROUND FROM ELECTRONIC, NON-TRANSFORMER TO UNBALANCED IN FROM BALANCED OUTPUT (TYPICAL OF SYMETRIX PRODUCTS) TRANSFORMER COUPLED OR TO UNBALANCED INPUTS FLOATING BALANCED OUTPUT FEMALE XLR MALE TS PLUG PIN 1 = GROUND + LOW...

  • Page 19: Appendix B Declaration Of Conformity

    Appendix B Declaration of Conformity Declaration of Conformity We, Symetrix Incorporated, 14926 35th Ave. West, Lynnwood, Washington, USA, declare under our sole responsibility that the product: 450 Dual Zone Priority Mixer to which this declaration relates, is in conformity with the following standards:...
  • Page 20 Symetrix, Inc. 14926 35th Ave. West Lynnwood, WA, 98037-2303 Tel: (425) 787-3222 Fax: (425) 787-3211 Website: http://www.symetrixaudio.com Email: symetrix@symetrixaudio.com...

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