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KB-702 GM

IFB/IEM Accessories

2-Channel Select Flush-Mount Headset/Speaker Station W/ Microphone Jack And Vox (8.25" X 4.5")

$1,225.00 CAD
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Description

KB-702 GM provides a remote speaker station permits the user to select between two channels of party-line communications, with the ability to talk and/or listen on the selected channel. The user can listen via the integrated speaker, or may use a headset or telephone-style handset - and can talk via a headset mic, a telephone handset, or a push-to-talk microphone. KB-702 also includes gooseneck microphone (GM-9/GM-18 or GN-250/ GN-450) connector options, with adjustable VOX feature and mic/ headset switch.

Features

Gooseneck microphone connector with VOX circuitry

Talk/Listen from headset mic, telephone handset or push-to-talk microphone

Four modes of operation that are internally programmable via dip switches

Balanced local program input with separate level control

Visual and audible call signaling

Optional 4-wire daughter board for flexibility

Wall or console mountable, or optional V-Box for portable or desktop use

Built-in speaker

Specifications

Panel Microphone Input

Input Type: Electret

Input Impedance: >=2K

Mic Limiter Threshold: -2dBu Β±3dB

Mic Limiter Range: >= 15dB

Headset Microphone Input

Input Type: Dynamic

Input Impedance: >= 1K

Mic Limiter Threshold: -2dBu Β± 3dB

Mic Limiter Range: >= 15dB

Program Line Input

Maximum Level before Clipping: >= 20dBu

Input Impedance: >= 5K

Headset Output

Load Impedance: >= 8

Output Impedance: <= 25

Output Limiter Threshold: +5dBu Β± 3dB

Maximum Output Level before Distortion: >= 17dBu

Speaker Output

Load Impedance: >= 4

Max Output Level before 1% Distortion: 20dBu Β± 2dBu

Party-line Output

Off Noise: < -74dBu

Output Impedance: >10K

Party-line Input

Crosstalk: < -60dB

Max level before Clipping : >= 12dBu

Sidetone Null Capability: > 25dB

Frequency Response

Panel Mic - Party-line: 300 - 16KHz Β± 3dB

Headset Mic - Party-line: 300 - 15KHz Β± 3dB

Program Input - Headset Out: 200 - 18KHz Β± 3dB

Program Input - Speaker Out: 200 - 18KHz Β± 3dB

Party-line - Headset Out: 200 - 18KHz Β± 3dB

Party-line - Speaker Out: 200 - 18KHz Β± 3dB

Max Distortion

Panel Mic - Party-line: <= 0.5%

Headset Mic - Party-line: <= 0.5%

Program Input - Headset Out: <= 0.2%

Program Input - Speaker Out: <= 0.5%

Party-line - Headset Out: <= 0.2%

Party-line - Speaker Out: <= 0.5%

Noise

Panel Mic - Party-line: < -65dBu

Headset Mic - Party-line: < -70dBu

Program Input - Headset Out: < -60dBu

Program Input - Speaker Out: < -60dBu

Party-line - Headset Out: < -50dBu

Party-line - Speaker Out: < -50dBu

Max Gain

Panel Mic - Party-line: >= 37dB

Headset Mic - Party-line: 41dB Β± 2dB

Program Input - Headset Out: >= 18dB

Program Input - Speaker Out: >= 24dB

Party-line - Headset Out: >= 34dB

Party-line - Speaker Out: >= 40dB

Power

Input Voltage Range: 20-30 VDC

Input Current (Idle): <= 90mA

Input Current (Max): <=110mA

Internal Adjustments and Connections

Intercom: Line Five terminal connector

Program Input Three terminal connector

Option Switches: Three DIP switches

Call Signal Jumper3: Three sets of options jumpers

Call Alert Tone Level Control: Level adjustment control

Front Panel Connectors

Panel Mic: (1) 1/4 in. (0.64 cm) panel mounting jack

Headset: (1) XLR-4M

Front Panel Controls & Indicators

(1) Panel /headset mic switch

(1) Program monitor level control

(1) Sidetone null control

(1) Talk button

(1) Call button

(1) Speaker ON-OFF switch

(1) Channel select switch

(1) Speaker volume control

(1) VOX control

(1) VOX indicator

Environmental

32 - 122F (0 - 50C)

Dimensions

8.25 in. W x 4.5 in. H x 1.75 in. D

(210 mm x 114 mm x 44 mm)

Weight

1.1 lbs. (0.50 Kg)

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