NOTICE

The AVC20 offers the choice of three different types of surround-sound effects: Dolby Surround, Spatial Surround, or Concert Surround.

The AVC20 is equipped with Four Power amplifiers. The AVC20 allows central control of most video equip- ment.

4 types of easy to operate volume balance controls. The AVC20 is equipped with a sound memory circuit. The Surround Indicator can be switched on or off.

The AVC20 can be used as a high output stereo amp- lifier when in the Balanced Transformerless (BTL) mode.

TABLE OF CONTENTS

Special features

2

Surround-soundeffects

3

Installing the glass door

3

Locating speakers

4

Connection of speakers

5

Function names and operations - Front panel

. . .

6

Function names and operations - Rear panel

8

Volume - Balance control

; . .

10

Use of wireless remote control

. . . .

11

Use of the image enhancer switch

14

Applications

15

Example of use with a variety of different equipment

 

 

(Monophonic video deck)

20

(STEREO video deck)

21

(Two video decks)

. . .

22

(Video deck and video disc player)

24

(TV equipped with video input terminal)

. . .

26

(Overall connections)

. . .

28

Cautions on usage

30

Troubleshooting

31

Specifications

31

This equipment generates and uses radio fre. quency energy and if not installed and 1 properly, that is, in strict accordance w i manufacturer's instructions,may cause interler- ence t o radio and television reception. I t has

been type tested and found to comply \n

'je

limits for Class €4 computing device i n

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dance with the specifications in Subpart J of Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference in a residential installation. How- ever, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged t o try t o correct the interference by one or more of the following measures

-reorient the receiving antenna

-relocate the equipment with respect t o the receiver

-move the equipment away from the receiver

-plug the equipment into a different outlet so that ecluipment and receiver are o n dif- ferent branch circuits.

I f necessary, the user should consult the dealer or an experienced radioltelevision technician for additional suggestions. The user may find the following booklet prepared by the Federal Commuincations Commission helpful:

"How t o Identify and Resolve Radio-TV inter- ference Problems"

"This booklet is available frorr the US Govern- ment Printing Office. Washington. D.C., ' ', Stock No. 004-000-00345-4"

Caution: T o prevent electric shock d o not use this (polarized) plug with an extension cord. receptacle or other outlet unless the blades can be fully inserted t o prevent blade exposure.

Attention: Pour prBvenir les chocs Blectriques ne pas utiliser cette fiche polaris6e avec u n prolon- gateur, une prise de courant ou une autre sortie de courant, sauf si les lames peuvent Btre ins6rBes a fond sans en laisser aucune partie a dbcouven.

A RISK OFmELECTRIC SHOCK n

Caution: To reduce the risk of electric shock, do not remove cover (or back). No user serviceable parts inside.

Refer servicing to qualified service personnel.

WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product'senclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

mThe exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing)instructions in the literature accompanying the applianw

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Shure AVC20 owner manual Table of Contents

AVC20 specifications

The Shure AVC20 is a high-performance, versatile, and user-friendly audio processing device designed to enhance the quality and clarity of sound in various settings. Built specifically for professional audio applications, this device is ideal for live performances, broadcasting, and studio recordings. The AVC20 offers a variety of features that cater to different audio needs while ensuring an intuitive user experience.

One of the standout features of the Shure AVC20 is its automatic volume control technology. This innovative feature dynamically adjusts the audio levels to maintain a consistent volume, ensuring that the sound remains clear and balanced, even in environments with fluctuating noise levels. This is particularly beneficial in live applications where unexpected sounds may disrupt the audio experience.

Additionally, the AVC20 is equipped with a built-in limiter, which protects audio signals from distortion caused by overly loud inputs. This feature allows audio professionals to push their sound systems to their limits without compromising audio quality. As a result, the AVC20 is particularly useful in scenarios such as public speaking events, live music performances, and broadcasting, where audio integrity is paramount.

The device also integrates high-quality analog processing, ensuring that it maintains the natural sound characteristics of the audio source. The AVC20 features a wide frequency response range, which captures the full spectrum of sound, from deep bass to crisp highs. Coupled with its low noise floor, this makes the AVC20 an excellent choice for both live and studio environments.

Ease of use is another hallmark of the Shure AVC20. The straightforward interface allows users to quickly dial in their desired settings without getting bogged down by complex controls. With its compact design, the AVC20 is also easily portable, making it a sought-after addition to any audio toolkit.

In summary, the Shure AVC20 is a robust audio processing unit that combines automatic volume control, built-in limiting technology, and high-quality analog processing. Its user-friendly interface and portability make it suitable for a wide range of applications, from live performances to studio recordings. For audio professionals looking to enhance their sound experience, the AVC20 stands out as a reliable and efficient solution.