Zaxcom TRX743 Digital Plug-On Transmitter

2,245.00 USD

The Zaxcom TRX743 is an all digital transmission plug-on style transmitter that supports all professional varieties of microphones: analog mono, analog stereo and AES43.

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Description

Special considerations may apply if this item is received outside of North America. Please read for details.

Zaxcom TRX743

The Zaxcom TRX743 is an all digital transmission plug-on style transmitter that supports all professional varieties of microphones: analog mono, analog stereo and AES43. The plug-on will come either a mono, stereo or AES43 cone based on your choice.

It features Zaxcom’s patented internal backup recording, ZaxNet remote control, and NeverClip. NeverClip is a dual A-D preamp system providing an extended dynamic range of 127 dB.

With an internal timecode-referenced audio recorder that backs up all wireless transmissions on a removable microSD card, the TRX743 eliminates the possibility of audio loss due to interference or signal dropout. The TRX743 is powered by three AA lithium or rechargeable NiMH batteries. It also carries a variable RF power output of 25, 50, or 125 mW.

With ZaxNet, Zaxcom’s 2.4 GHz RF network that enables distribution of remote control signals, timecode and metadata, TRX743 users will be able to control gain and audio replays remotely via a timecode reference so that multiple Zaxcom wireless systems can replay audio in sync. The ZaxNet integration also will allow production sound mixers to remix audio from multiple transmitters, creating a virtual multi-track playback and re-record system.

Transmitter
Power Output 25 / 50 / 125 mW
RF Modulation Proprietary Digital Method
RF Frequency Range 518.0 to 872.0 MHz
RF Frequency Step 100 KHz
RF Bandwidth 200 KHz
Channel Separation 500 KHz (700 KHz recommended)
Antenna Connector 50 Ω SSMA Female
Emission Designator 180 KV2E
FCC Part 75.861
Transmitter Audio
Dynamic Range 127 dB
Analog distortion 0035 dB
Frequency Response Mode 0: 20 Hz to 16 kHz / T & M Mode 0.2 Hz to 16 kHz
High Pass Filter Off or 30 to 220Hz, step 10Hz (6 dB per octave)
System Group Delay 3.6 ms
Analog Mic Power 48 V Phantom (10 mA max)
Digital Mic Power 10 V AES42 compatible (200 mA max)
Mic Connector 3-Pin or 5-Pin XLR
Mic Impedance 4.7 k Ω
ADC Bit-Depth 24 Bits
ADC Sampling-Rate 24 Bits
Audio Interfaces Balanced analog mono, balanced stereo, AES42, AES
Internal Recording
Media MicroSD Card (Flash Memory)
Format .ZAX
Recording Time 96 Hours (16 GB Card)
2.4 GHz ZaxNet Receiver
RF Frequency Range 2.403 to 2.475 GHz
RF Modulation Digital Spread Spectrum
RF Frequency Step 0.001 GHz (1 MHz)
RF Bandwidth 1 MHz
Channel Separation 2 MHz
Sensitivity -96 dBm
Physical
Weight 7.5 oz without batteries
Dimensions (H x W x D) 5 cm x 11.5 cm x 4 cm
Display Graphic LCD
Time code Reader/Generator
Clock Accuracy 1.54PPM (1 Frame Out in 6 Hours)
Timecode Type SMPTE
Timecode Frame Rates 23.98, 24, 25, 29.97NDF, 29.97DF, 30NDF, 30DF