Radial SW4

Four-Channel Audio Switcher

Description

The Radial SW4 is a four-channel balanced audio switcher designed to connect to multiple mixing consoles or wireless systems, providing greater operational flexibility or backup capabilities in a live performance or concert setting.

  • Switch up to 4 sets of wireless systems
  • Link channels for stereo or quad switching
  • Toggle between two consoles at festivals
  • Transformer isolated to eliminate noise

Silent console switching

The SW4 allows you to connect two mixing consoles to the same set of outputs, perfect for festivals or venues that switch from one console to another between acts. Each of the four channels features XLR inputs and transformer-isolated outputs to eliminate hum and buzz from ground loops, and they can be linked together to switch simultaneously. Channel-1 has an A+B mix function that sums both inputs together – allowing a wireless mic for the MC to be always active, while PFL switches and headphone outputs allow a technician to monitor any channel to ensure seamless playback. Since individual channels can be switched on their own, the SW4 can also be used to switch multiple wireless systems, playback devices, or any balanced audio sources.

Specifications
Audio circuit type:Passive Transformer Coupled with Relay Switching
Transformer:Eclipse ET-LD2 line output
Number of channels:4 x AB select
Frequency response:10Hz to 40Khz
Dynamic range:136dB
Gain:-0.26dB with 10k Ohm load, -2.3dB with 600 Ohm load (Channel to Channel gain), + 8dB with 10k Ohm load (Channel to Bus gain)
Total harmonic distortion:0.002%
Intermodulation Distortion:0.01%
Phase Deviation:<3° at all frequencies
Input Impedance:Load impedance in parallel with 10K
Output Impedance:160 Ohms (Channel), 500 Ohms (Bus)
Maximum Input:+26dBu (Channel to Channel), +17dBu (Channel to Bus)
Features
Input pad, Ground lift
Input Connectors:XLR female
Output Connectors:XLR male, ¼” guitar
Extras:Bus output: stereo or mono assignable
General
Construction:14 gauge steel chassis & outer shell
Size (L x W x D):17.5″ x 6″ x 1.75″ (445mm x 152.5mm x 44.5mm)
Shipping size (L x W x D):22″ x 10.375″ x 4.5″ (559mm x 264mm x 114mm)
Power:External 100V – 240V AC with 48V Phantom
Conditions:For use in dry locations only between 5°C and 40°C
Warranty:Radial 3-year, transferable

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