Whirlwind MICMUTE-PX XLR I/O Active Microphone Muting Box
The MicmutePX is an active, completely silent, microphone muting box. The circuitry allowsthe user to temporarily mute the mic signal with no audible artifacts even whenthe console channel is set at high gains. In addition, the Micmute PX can beconfigured to operate in any of the switching modes: PT (Push to Talk), PM(Push to Mute), or PP (Latching Push On; Push Off). This provides a one boxsolution for any microphone muting application by simply moving the internaljumper to set the desired function.
The MicmutePX features a heavy-duty footswitch that is also suitable for finger operationon a desktop. The unit has a female XLR input and a male XLR output jack. Whenno signal is passing through the box, the output jack is configured to mute theinput of the connected audio device.
The PX hasan indicator LED feature. The blue LED illuminates to indicate that the mic isON and signal is passing through the box.
Quiet 48 Voltphantom power is supplied by the Micmute PX, so any condenser microphone can beused. A rear panel switch turns the phantom power on and off. Powerrequirements are 24 VAC/100mA and a wall power supply is included.
Theswitching mode of the MicmutePX can be changed by moving a jumper plug, locatedinside the unit. Remove the four screws holding the unit together and locatethe three 2 pin headers on the right side of the circuit board. They arelabeled PP (Latching Push On; Push Off), PT (Push to Talk), and PM (Push toMute). Move the jumper to the header for the desired mode. An additional 3 pinheader is provided to lift the ground from pin 1 of the male output XLR jack.
