MS-702

MS-702

  • 2-Channel 1RU Main Station with built-in Speaker
  • Supports up to 55 beltpacks or 10 speaker stations on 2 channels
  • Automatic short-circuit protection and reset with LED indicators
  • Visual and audible call signaling
  • Individual volume controls for each channel
  • Program feed to both channels with selectable Program Interrupt
  • Remote Mic Kill
  • Stage Announce with relay
  • Channel A & B Link switch
  • Built-in speaker
  • Universal voltage power supply
Item Part Number:

MS-702

The MS-702 is a 1RU two-channel main station with programmable front panel buttons, individual channel short-circuit protection, individual channel volume control, and a regulated fail-safe power supply.

Note: Access the Encore Power Supply Calculator to estimate power requirements for analog partyline systems.

Technical Specifications

Panel Microphone Input

Input Type: Electret

Input Impedance: >=2K

Mic Limiter Threshold: 0dBu ± 3dB

Mic Limiter Range: >= 20dB

Headset Microphone Input

Input Type: Dynamic

Input Impedance: >= 1K

Mic Limiter Threshold: 0dBu ± 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 ± 3dB

Maximum Output Level before Distortion: >= 17dBu

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

Sidetone Null Capability: > 25dB

Stage Announce/Balanced Line Out

Type: Balanced

Output Impedance: >= 200

Load Impedance: >= 600

IFB/Hot Mic

Type: Unbalanced

Output Impedance: 180

Load Impedance: >= 600

Frequency Response

Panel Mic – Partyline: 600 – 10KHz ± 3dB

Headset Mic – Partyline: 200 – 12kHz ± 3dB

Headset Mic – Line Out: 200 – 12kHz ± 3dB

Program Input – Partyline: 100 17kHz ± 3dB

Program Input – Headset Out: 200 – 10kHz ± 3dB

Program Input – Speaker Out: 300 – 10kHz ± 3dB

Partyline – Headset Out: 200 – 10kHz ± 3dB

Partyline – Speaker Out: 300 – 10kHz ± 3dB

Max Distortion

Panel Mic – Partyline: <= 0.5%

Headset Mic – Partyline: <= 0.5%

Headset Mic – Line Out: <= 0.5%

Program Input – Partyline: <= 0.2%

Program Input – Headset Out: <= 0.2%

Program Input – Speaker Out: <= 0.5%

Partyline – Headset Out: <= 0.2%

Partyline – Speaker Out: <= 0.5%

Noise

Panel Mic – Partyline: < -65dBu

Headset Mic – Partyline: < -70dBu

Headset Mic – Line Out: < -55dBu

Program Input – Partyline: < -85dBu

Program Input – Headset Out: < -60dBu

Program Input – Speaker Out: < -60dBu

Partyline – Headset Out: < -50dBu

Partyline – Speaker Out: < -50dBu

Max Gain

Panel Mic – Partyline: >= 37dB

Headset Mic – Partyline: 41dB ± 2dB

Headset Mic – Hot Mic Out: 55dB ± 3dB

Headset Mic – Announce Out: 55dB ± 3dB

Program Input – Partyline: >= -16dB

Program Input – Headset Out: >= 18dB

Program Input – Speaker Out: >= 24dB

Partyline – Headset Out: >= 34dB

Partyline – Speaker Out: >= 40dB

Min Gain

Panel Mic – Partyline: <= 25dB

Mains Power

Input Voltage Range: 100 – 240V AC

Input Frequency Range: 50 – 60Hz

Input Power: <= 60V AC

Output Voltage: 30V DC ± 0.5V

Output Current per Channel (Continuous): 1.2A

Output Current per Channel (Peak): 2A (Do not exceed the 1.2A rating for more than 2 seconds per 1 minute period)

Short Circuit Recovery Time (1st short):<= 0.5 sec

Short Circuit Recovery Time >= 20 shorts in 20sec: <= 20 sec

Environmental

32 – 122°F (0 – 50°C)

Dimensions

1.75 x 19 x 6.5in (HxWxD)

(44 x 483 x 165mm)

Weight

6.1lbs (2.8kg)

Associated Products

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