RX12

12-Channel Wideband Receiver System

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 Firmware | Manual

ALMOST EVERYTHING BUT THE KITCHEN SINK

RX-12 is a one stop receiver solution for your bag or cart.  It contains a 35 MHz tracking front end filter to eliminate interference from unwanted stray RF, an RF amplifier and antenna and power distribution for up to six QRX212 dual receiver modules for the reception of twelve separate TRX transmitters.

The built-in frequency scanner and Auto-Pick software can coordinate and choose the best frequencies.  Pair the RX-12 with Nomad 10 or Nomad 12 and ZaxNet will re-frequency your transmitters to match with the touch of a button. In addition, the RX-12 and Nomad combo allows for quick and easy TRX gain adjustments.

RX-12 also has an additional antenna distribution through an amplified RF loop through.

The most compact and complete Receiving system

Declutter:

Portable all in one power and antenna distribution in any frequency you choose

Interact Colorfully:

Full color LCD display with intuitive user interface and simple menu navigation

Remove the Guesswork:

Full color LCD display with intuitive user interface and simple menu navigation

Digital Modulation
All of Zaxcom’s wireless microphone system uses only 100% digital modulation, this results in audio quality superior to any analog or digital hybrid FM wireless system.

Zaxcom transmits its audio as 1s and 0s in a 100% digital form so no companding is needed to alter the audio content; this results in a much higher quality reproduction of the original audio under all circumstances.

Conventional FM wireless systems, including standard companded FM and digital hybrid wireless, use analog FM modulation and contain no digital content. Noise reduction systems, pilot tone squelch, FM distortion and RF interference all contribute to system performance that cannot begin to match that of a pure 100% digital system like Zaxcom’s digital wireless.

The range of Zaxcom’s new digital wireless 2.0 is now equivalent to, or better than, that of any FM radio system.

Intermodulation Resistant
Intermodulation occurs when the RF from multiple transmitters, in close proximity to each other, mix together in the transmitters amplifier, and combine their outputs. Intermodulation can occur even if you are running just two transmitters on set, or in a sound bag. Intermodulation is undesirable because it creates spurious emission which can greatly interfere with reception and degrade audio reception.
Zaxcom’s fully digital wireless is immune to most intermodulation. This will give you the confidence that you will be getting the cleanest RF signal possible with no need to worry about special channel spacing. And without the typical channel spacing limitations, that are necessary in other wireless systems, the number of useable channels that can safely fit into a frequency block is greatly increased.
Encrypted Audio
Traditional FM wireless audio can be hacked into and listened to by any commercially available scanner.  In some situations this isn’t an issue, but there are times where privacy is necessary. For example paparazzi with an inexpensive device can listen in on your set. Or in the case of some corporate settings where there may be sensitive or legal matters discussed and you want to ensure that you have maximum privacy.

Zaxcom wireless systems, both the UHF transmission as well as audio sent via ZaxNet, features full digital audio encryption. Digital encryption is the only way to keep all audio transmission private.

The way it works is if you set an encryption code the transmitter, the audio will be encrypted and can only be listened to if the receiver has the matching encryption code entered. If you are trying to receive an audio signal and the codes do not match, all that will be heard is white-noise or silence.

Zaxcom’s encryption system features two sets of three numbers that form a single six-digit encryption code; this provides a total of 16,777,216 possible code combinations. So when using Zaxcom digital encryption you can ensure that your audio will only be heard by those who you want to hear it.

Technical Details
OUTPUT
Analog Audio Output: Balanced 0dB @ -20 dBFS (2-channel receiver)
DIgital Audio Output: AESEBU (2 pair per receiver)
Audio Connectors: 6 x TA5M
RECEIVER
RF Connectors: 4 SMA, including loop through
RF Impedance: 50 ohm
RF Gain Input / Output: 4 dB
RF Amp Noise Figure: .5 dB
RF Amp IP3: +30 dB input
RF Filter Band Pass: 35 MHz
RF Tuning Range: 512 - 698 MHz
QRX212 MODULE
Receivers Per Module: 2
Receiver Modulation: Zaxcom Proprietary Digital
Tuning Range: 512 - 698 MHz
Power Consumption: 300 ma @ 12 VDC
Size: 5" x 3" x .8" (L x W x H)
MISC
Power: 8 VDC to 18 VDC (12 VDC nominal @ 100 ma)
Power Connector: Hirose HR10A-7P-4P
LCD Screen: TFT daylight readable color
LCD Size: 2.2" diagonal
Size: 10.5" x 8" x 2" (L x W X H)
Weight: 6.2 lbs (loaded w/ 6 x QRX212 receiver modules)