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Clear-Com 4-Channel 2RU Switchboard Main Station - SB-704

Clear-Com 4-Channel 2RU Switchboard Main Station - SB-704

Part Number: SB-704
Our Price: $2,745.00
Availability: Usually ships the same business day

This item qualifies for FREE GROUND SHIPPING! Contiguous U.S. only.
Description
Specifications
Accessories
Reviews

4-Channel 2RU Switchboard Main Station

  • Supports up to 55 beltpacks or 10 speaker stations on 4 channels
  • 10 x 4 assignment switching matrix
  • Automatic short-circuit protection and reset with LED indicators
  • Visual and audible call signaling
  • 3 interruptible IFB channels
  • Individual volume controls for each channel
  • Channel linking
  • Remote Mic Kill
  • Stage Announce with relay
  • External switchable line termination on each channel
  • Universal voltage power supply


Panel Microphone Input
  • Input Type: Electret
  • Input Impedance: >=2K
  • Mic Limiter Threshold: 0dBu 3dB
  • Mic Limiter Range: >= 15dB
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
  • Output 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: 150
  • 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: 100 240 VAC
  • Input Frequency Range: 50 60 Hz
  • Input Power: <= 60
  • VAC Output Voltage: 30 VDC 0.5V
  • Output Current per Channel (Continuous): 1.2 A
  • Output Current per Channel (Peak): 2 A (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
  • 3.5 x 19 x 10.5 in (HxWxD)
  • (88 x 483 x 267 mm)
Weight
  • 10.9 lbs (4.9 kg)