KB-701

KB-701

Single-Channel Remote Speaker Station

Half-duplex, push-to-talk functionality

Four modes of operation that are internally programmable

Microprocessor controlled logic and switching

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

Technical Specifications

Program Line Input

Maximum Level before Clipping: >= 20dBu

Input Impedance: >= 5K

Speaker Output

Load Impedance: >= 4

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

Partyline Output

O Noise: < -74dBu

Output Impedance: >10K

Partyline Input

Crosstalk: < -60dB

Max level before Clipping: >= 12dBu

Frequency Response

Program Input – Speaker Out: 200 – 18KHz ± 3dB

Partyline- Speaker Out: 200 – 18KHz ± 3dB

Max Distortion

Program Input – Speaker Out: <= 0.5%

Partyline- Speaker Out: <= 0.5%

Noise

Program Input – Speaker Out: < -60dBu

Partyline- Speaker Out: < -50dBu

Max Gain

Program Input – Speaker Out: >= 24dB

Partyline- Speaker Out: >= 40dB

Power

Input Voltage Range: 20-30 VDC

Input Current (Idle):<= 90mA

Input Current (Max):<=110mA

Internal Connectors and Jumpers

Intercom: Line Five terminal connector

Program Input: Three terminal connector

Option Switches: Three DIP switches

Environmental

32 – 122^o F (0 – 50^o C)

Dimensions

4.5 x 8.5 x 1.75 in (HxWxD)

114 x 210 x 44 mm)

Weight

1.04 lbs (0.47 kg)

Features and/or Benefits

Programmable Modes of Operation

Two internal dip switches activate four different modes that are activated by using the call signaling function of another station to allow individual control of the speaker and microphone.

Expand Capabilities

The 4-wire optional daughter board converts the station to accept 4-wire connections, allowing the station to operate via fiber optic cable and other 4-wire devices over longer distances.

Associated Products