Symetrix 527E User Manual
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Symetrix 527E User Manual

Voice processor
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527E Voice Processor

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Summary of Contents for Symetrix 527E

  • Page 1 527E Voice Processor...

  • Page 2: Table Of Contents

    Symetrix part number 53527-0A00 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 filter section of the 527E features tunable low cut and high cut filters. These 12 db per octave filters allow the user to remove objectionable low frequency noises, such as rumble and muddiness, and high frequency noises, such as sibilance and air conditioning noise.

  • Page 4: Chapter 2 Operator Safety Summary

    Servicing Boldface Strong emphasis. is required when the 527E has been damaged in any way, such as when a power supply cord or Important Safety Instructions plug is damaged, liquid has been spilled or Please read and keep these instructions.

  • Page 5: Chapter 3 Fast Setup

    Fast Setup Chapter 3 Fast Setup Follow these instructions to get your 527E up-and-running as quickly as possible. The intent of this section is fast setup. If you need something clarified, then you’ll find the answer elsewhere in this manual.
  • Page 6 The 527E’s controls and switches are now set i t t according to the preceding section. The 527E should now pass signal. The O UTPUT EVEL display and the P LED should be illuminated. OWER Depending upon the signal levels, the...

  • Page 7: Chapter 4 Front Panel Overview

    Selects between the Mic input and Line input, or allows a mix of both inputs. Monitors mic inputs for clipping. Illuminates 3 dB below the actual clip point. Lights when the output of the 527E has been muted by a remote switch connected to the 527E’s rear panel M Euroblock connector.
  • Page 8 Filters Selects the cutoff frequency of the L (variable from 6 Hz to 260 Hz). ILTER This filter will uniformly pass frequencies above the cutoff frequency. Selects the cutoff frequency of the H (variable from 3kHz to 65 kHz). ILTER This filter will uniformly pass frequencies below the cutoff frequency.

  • Page 9: Chapter 5 Rear Panel Overview

    MANUFACTURED BY SYMETRIX INC. LYNNWOOD, WA USA THIS PRODUCT CONTAINS NO USER SEVICEABLE PARTS. MIC PAD PHANTOM FABRIQUÉ AUX E.-U. PAR SYMETRIX INC., LYNNWOOD, WASHINGTON. LINE LINE RÉFÉREZ TOUTE RÉPARATION À UN TECHNICIEN QUALIFIÉ. [Please send us the completed warranty card.]...

  • Page 10: Chapter 6 Using The 527E

    Each meter has its own scale markings, as shown on the front panel. Gain Setting There are two places to adjust the gain of the 527E: at the mic input, before any processing, and at the output.
  • Page 11 10:1 ratio setting and 10 dB or more of gain reduction. Filtering The filter section of the 527E features a low cut filter, useful for cleaning up muddiness and eliminating rumble, and a high cut filter, for removal of objectionable high frequency noises, such as sibilance and tape hiss.
  • Page 12 Worry about your tube condenser mics. They are compatible (although they cannot be phantom powered). Mute Control A contact closure between the positive and ground terminals of the 527E’s rear-panel M will mute the output by at least 60dB. Any SPST switch or relay contact will work. ONTROL Note Do not apply any external power source to the mute connector.

  • Page 13: Chapter 7 Applications

    Churches often have key mics needing extra processing, such as lapel or wireless mics. Adding the 527E to a key mic prior to the automatic mixer in churches yields significant control advantages.
  • Page 14 The 527E’s expander, on the other hand, decreases gain whenever signals fall below threshold. Careful setting of the two threshold controls tells the 527E how and when to adjust the gain. Pages and announcements can be made much “tighter” with compression, but in high-sound-level situations, feedback problems may make even gentle, low-ratio compression impossible.

  • Page 15: Chapter 8 Troubleshooting

    The system gain structure should be such that the 527E operates at or near unity. Is the 527E set for mic-level output, driving a line-level input, with the 527E’s gain set fairly high and upstream devices contributing a significant amount of gain?

  • Page 16: Chapter 9 Specifications

    Specifications Chapter 9 527E Specifications Inputs Metering Microphone Input Clip LED Fires at 1 dB Type Multi-segment LED bar graph below clipping of mic preamp Output Level -20, -10, 0, Clip (0 VU = +4 dBu), Microphone Input Type Balanced Transformerless,...
  • Page 17 The voice processor shall be capable of operating by means of its own built-in power supply connected to 115V AC nominal (105 to 130V), 50 to 60 Hz or 230V AC nominal (207 to 253V), 50 to 60 Hz. The unit shall be a Symetrix Incorporated model 527E Voice Processor.

  • Page 18: Chapter 10 Block Diagram

    Block Diagram Chapter 10...

  • Page 19: 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 20 If you have determined that your 527E 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 21: Appendix A Declaration Of Conformity

    The authorized representative located within the European Community is: World Marketing Associates P.O. Box 100 St. Austell, Cornwall, PL26 6YU, U.K. Date of issue: July 20, 1999 Place of issue: Lynnwood, Washington, USA Authorized signature: Dane Butcher, President, Symetrix Incorporated.
  • Page 22 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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