Symptom

=Power does not come on

No sound or picture is produced

No sound is produced

No SURROUND is produced

Cause

a Power plug is not connected properly to an ac outlet. lPower switch is off.

a Connection cords are disconnected.

a Connection cords are connected improperly.

a The position of the input selector switch does not match the input of the component being used.

a The

input selector switch- 1

button is

on.

 

 

T h e

FULL MUTE switch is on. (

indicator

flashes)

a Balance adjustment is incorrect.

lThe BYPASS button has been depressed.

Measures

1

lPlug in firmly.

lPress power switch on.

a Connect firmly in the socket. a Check the connections.

lChange the switch to match the input.

a Press the P T A ~ E s w i t c toh turn off.

.Press the FULL MUTE switch to turn off.

a Press the RESET button, then adjust the volume.

*Depress one of the CONCERT, SPATIAL, or DOLBY switches.

lFor monophonic audio input, when the MODE switch is set to MONO, sound is very weak when in the DOLBY position.

After a power outage, operation of the A VC20 may be irregular. Turn the power off for a moment, then turn back on.

SPECIFICATIONS

Amplifier Section

Rated Output (all channels driven, Main Amplifier Input)

In Normal Operation . . . . . . . . Front . . . . . 30W + 30W

 

 

 

(20 - 20 kHz 8 Ohm)

 

 

Rear .

. .

. . . 30W + 30W

 

 

 

(20 - 20 kHz 8 Ohm)

I n BTL Operation . .

. . . . 60W + 60W (20 - 20 kHz 8 Ohm)

Harmonic Distortion

 

 

 

 

In Normal Operation (at rated output) . . . .

. . . . . . <0.1%

Frequency Response

. . lOHz - 40kHz (+O, -2dB)

(Main Amplifier Input)

 

 

 

 

Tone Control

BASS

. .

. . . . . . AlOdB

 

 

TREBLE

. . . . . . *lodB

SN Ratio (IHF shortcircuit,"A" network)

 

 

AudiolVideo Input (BY PASS) . .

. . . . . . .

. . . . . . . 90dB

Main Amplifier Input

. . . . . . .

. . . . . . .

. . . . . . lOOdB

Input/Output Section

 

 

 

 

lnput Terminal (Sensitivity, lnput Impedance)

 

A-V INPUT O , IZj,

B

Video

. . . . lVpp175 Ohm

 

 

Audio

. . 150mVl47k Ohm

PHONO

. . . .

. .

8mV/47k Ohm

TAPE

. . . . . . . .

. . . . . . .

150mVl47k Ohm

Main Amplifier Input

. . . . . . .

. . . . . . .

. . 1Vl20k Ohm

Output Terminals (Output Level. Output Impedance)

AudioIVideo m,

. . . . . . . .

Video

. . . . 1Vpp175 Ohm

AudioIVideo W,[Z1

. . . . . . . .

Audio

.

150mV12.2k Ohm

Monitor Output (1, 2)

. . . . . . .

. .1VppI75 Ohm

Pre-Amplifier Output

. . . . . . .

. . . . . . .

. . . 1V l l k Ohm

Monophonic Output A, B

. . 1Vl500 Ohm

Others

 

Power source Voltage

. . 120 Vac. 60Hz

Power Consumption

. . . . . . . . .300W

Supplementary Power Source Outlets

Switched: 1 (100W)

. . . . . . . . . . . . . . . . . . . . . . . Unswitched : 2 (100W x 2 )

Outer Dimensions (W x H x D)

430 x 110 x 340 m m

(16-15116 x 4-5/16 x 13-318 in.)

Weight

9.5 kg (20 Ib. 14 02:)

Accessories

Owner'sManual . . . . . . . . . . . . . . . . . . . . . . : . . . . . 1

Wireless Remote Control Unit . . . . . . . . . . . . . . . . . . . . 1

AA Batteries (SUMS) . . . . . . . . . . . . . . . . . . . . . . . . . 2

Pin Plug Cord for Video Signals . . . . . . . . . . . . . . . . . . . 2

Glass Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Rubber Bushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

lThe above specifications are subject to change without notice.

Page 27
Image 27
Shure AVC20 owner manual Specifications

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.