AVAIR AV-908 User Manual

AVAIR
AV
-908
DESKTOP COMPRESSOR MICROPHONE
SPECIFICATIONS
 Microphone. High Sensitivity Ceramic Mic. Element 1 pc.
 Compressor Level ……………… … HIGH: 45 dB, MED: 30 dB, LOW: 10 dB
 S/N Ratio (Graphic Equalizer Part) …………… ………………………… 80dB
 Distortion Factor (Graphic Equalizer Part) ………… …………………0.05%(at flat)
 Graphic Equalizer ………………….4 elements (270,540,1000,2000Hz)+12dB range
 Output Voltage ………………………………………… COMP: 0- 30mV (RMS)
 Matching Output Impedance ……………………………….500 ohms – 100K ohms
 Power Voltage …………………………………………………………… DC 6~9 V
 Current Consumption (at Equalizer “Off”) Receiving: 3.5mA , Transmitting: 4.5mA
(at Equalizer “On”) Receiving: 10mA, Transmitting: 11mA
 Alarm Sound..………………………. Approx. 4.5KHz Intermittent Tone
 External Size ………………………………… 227(W) * 130(D) * 320(H) mm
 Weight ………………………………………...…………… Approx. 1000g.
MICROPHONE CONNECTION INFORMATION
8 7 6 5 4 3 2 1..8 7 6 5 4 3 2 1. .8 7 6 5 4 3 2 1
A B C
NO CONNECT UP NO CONNECT
PTT GROUND +8V DC INPU T NO CONNECT
MICHONE INPUT PTT GND PTT
MIC GND PTT MIC INPUT
PTT MIC GND GND
NO CONNECT MIC INPUT +8 DC INPUT
FRESQUENCE UP/DN NO CONNECT UP
+8V DC INPUT DOWN DOWN
A FOR ICOM B FOR KENWOOD C FOR YAESU

AVAIR AV-908 Specifications

General

Brand	AVAIR
Model	AV-908
Category	Microphone
Language	English

Summary

Product Specifications

Microphone and Compressor Details

High sensitivity ceramic mic, selectable compressor levels (High, Med, Low).

Audio Performance

S/N ratio, distortion factor, and graphic equalizer characteristics.

Power and Physical Specifications

Power voltage, current consumption, external size, and weight.

Microphone Connection Information

ICOM, Kenwood, and Yaesu Pinouts

Defines microphone connection pinouts for ICOM, Kenwood, and Yaesu transceivers.

Product Features Overview

High-Quality Audio Components

Features high sensitivity mic, selectable compressor, and graphic equalizer.

Safety and Monitoring Circuits

Includes non-modulation prevention and battery-check circuits.

Front and Rear Panel Controls

Power and Equalizer Switch

Controls power, equalizer function, and battery check.

Compressor Level Selector

Allows selection of HIGH (45dB), MED (35dB), or LOW (10dB) compressor gain.

Output Level and PTT Controls

Adjusts output level volume and controls transmission via PTT and LOCK switches.

UP/DOWN and Level Meter

UP/DOWN switch for transceiver control and level meter for output monitoring.

Microphone Output Connector

Details the 8P AVAIR type microphone output connector.

Advanced Functions and Operation

Graphic Equalizer Adjustment

Guides adjustment of the 4-element graphic equalizer for desired sound quality.

Non-Modulation Prevention Circuit

Explains the circuit that activates an alarm after continuous transmitting.

Compressor Amplifier Functionality

Describes how the compressor maintains a constant output level.

Important Cautions

Cable and Power Usage

Recommends AVAIR cables, notes power supply for 'D' type cables, and alkaline batteries.

Environmental and Operational Precautions

Warns against RF feedback, high temperatures, direct sunlight, and advises power off after use.