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Orban OPTIMOD-AM 9100A Effect Processor
Modell: OPTIMOD-AM 9100A
Datum: 1986
Kategorie: Bühnen-Studiotechnik
Gruppe: Effect Processor

OPTIMOD-AM is a powerful system for obtaining the best possible quality from the AM broadcast medium. This medium includes the station's transmission system plus the listener's Receiver, listening environment, and , The OPTIMOD-AM 9100A system is designed for universal application in domestic ; and international LW, MW, and SW services. While OPTIMOD-AM is ordinarily shipped with a 12kHz output bandwidth to comply with FCC (U.S.A.) specifications for the U.S. MW broadcast service, an optional 5kHz bandwidth-limiting filter card may be plugged into the system to conform its output spectrum to EBU and other ! standards, or to resolve unusual adjacent channel interference problems. 1 OPTIMOD-AM is available in two versions: a stereo version (9100A/2) which | processes by the "sum-and-difference" method to yield ready compatibility with any proposed AM Stereo system, and a mono version (910GA/1) which can be field-converted to stereo by plugging in three additional circuit cards. No "Stereo I Accessory Chassis" is required. By performing the following functions, the OPTIMOD-AM system delivers a louder, i cleaner, brighter, FM-Iike sound whose open, fatigue-free quality attracts listeners I and holds them: 1. It rides gain over a range of as much as 25d8, compressing dynamic range and compensating for gain-riding errors on the part of operators and for gain inconsistencies amongst automation tapes. The amount of dynamic range reduction is adjustable. 2. It increases the density and loudness of the program material by means of multiband limiting and multiband distortion-cancelled clipping, achieving remarkable increases in loudness and definition without audible side-effects. 3. It compensates for the high- and low-frequency rolloffs of typical AM receivers by means of a statistically-derived fully-adjustable program Equalizer. Up to 22dB of HF boost can be produced above 6kHz. This extreme equalization can be readily handled by the processing without the side-effects encountered in conventional processors. 4. It reliably controls peak levels to prevent overmodulation. 5. It improves the consistency of the station's equalization texture by means of multiband limiting. 6. It compensates for inaccuracies in the pulse response of transmitters and antenna systems by means of a powerful Transmitter Equalizer with four adjustable correction parameters. Four complete sets of adjustments may be preset and recalled as needed by remote control. 7. It controls the bandwidth of the Transmitter emissions as necessary to meet the specifications of government authorities, regardless of program material or equalization settings.

Folgende Handbücher sind hierfür verfügbar:

Dokumenttyp: Service- und Bedienungsanleitung Orban-9859-Manual-Page-1-Picture
Seitenanzahl: 214
Dateigröße: 8.83 Mbytes (9258785 Bytes)
Sprache: Englisch
Revision: Third Edition
Dokument-ID/Nummer: 95032-000-03
Datum: 01 November 1986
Qualität: Gescanntes Dokument, teilweise schwer oder teilweise nicht zu lesen.
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MD5: 1962faf76f13fc863d64dd2caf6eae51
Downloads: 65 seit dem 31 Oktober 2017

This Manual is organized into two major sections. The first contains information on how to plan your installation, how OPTIMOD-AM interfaces with other station equipment, how to set up and adjust OPTIMOD-AM, how to do a Proof of Performance, and brief comments on routine maintenance. You should read Parts 1, 2, and 3 before attempting to install OPTIMOD-AM. The second section contains Appendices which provide useful information that you may need at some time during the life of OPTIMOD-AM. This is primarily reference material; you do not need to digest it to install, set up, or operate your unit. There is no Index, so the TABLE OF CONTENTS should be used to help you find the information you want. The TABLE OF CONTENTS provides an overview of the organization of the manual, and lists in some detail the topics discussed.


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