Radial Engineering SW4 Quad Input Switcher

Providing versatile channel switching for a wide variety of live applications, the SW4 - 4-Channel Audio Switcher from Radial Engineering features 4 channels, each with 2 XLR inputs that can be stereo linked. Aside from the XLR inputs, each channel can also be linked, supporting tri- and quad-channel switching. Each channel is also equipped with a 3-position pre-fader listen switch that allows you to monitor source A, source B, or the stereo bus via headphones, which can be summed to mono for use with wireless guitar systems.

Channel 1 also features a mix function for summing both inputs together for simultaneous use. The unit has a master bus output, which is fed by all channels. Each channel has its own transformer-isolated output that is capable of handling over 20 dB at all frequencies.



Switching Between Wireless SystemsThe SW4 can be used for switching between two or more wireless systems. Use it for backup or to enhance the show without taking up more audio channels. Can also be used on wireless guitarsSwitching Between Stereo Sources

Use the SW4 as a safety backup to switch between two digital playback systems. Connect the left channels to input-1 and the right channels to input-2. Link them together for stereo switching

Toggle Between 2 Consoles

With 4 channels, you can instantly switch left, right, front down fill and subs with a push button. The SW4 gives you +20dB of signal handling to handle high output systems
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




Specifications :




Audio Circuit Type
Passive transformer coupled with relay switching


Number of Channels
4x AB select


Frequency Response
10 Hz to 40 kHz


Dynamic Range
136 dB


Total Harmonic Distortion
0.002 %


Phase Deviation
<3° at all frequencies


Intermodulation Distortion
0.01 %


Input Impedance
Load impedance in parallel with 10 k ohm


Maximum Input
+26 dBu channel to channel
+17 dBu channel to bus


Gain
Channel to Channel:
-0.26 dB with 10 k ohm load
-2.3 dB with 600 ohm load

Channel to Bus Gain:
+8 dB with 10 k ohm load


Output Impedance
Channel Output Impedance: 160 ohms
Bus Output Impedance: 500 ohms


Transformer
Eclipse ET-LD2 line output


Pad
Input Pad: Variable trim control


Switches
AB select on each channel


Pre-Fade Listen
A & B per channel, master bus


Bus
Master bus out with headphones


XLR Configuration
AES standard pin-1 ground, pin-2 (+), pin-3 (-)


Input Connectors
XLR F


Output Connectors
XLR male
1/4" (6.3 mm) guitar


Bus Output
Stereo or mono assignable


Ground Lift
On all channels & guitar amp outputs


Power
External 100 V - 240V AC with 48 V phantom


Construction
14 gauge steel chassis & outer shell


Operating Conditions
For use in dry locations only between 41 to 104°F (5 and 40°C)


Dimensions (L x W x D)
17.5 x 6 x 1.75" (44.5 x 15.25 x 1.75 cm)














*Estimate shipping between 5 - 12 weeks, or please call (083) 497-2227
for a faster air freight service with special price rate.


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