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Zaxcom TRX745/S - Plug-On Digital Wireless Transmitter with ZaxNet (Stereo Analog Cone)

  • Dale #:

    ZAXC-TRX745S
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Description

The TRX745 is a plug-on style digital wireless transmitter with interchangeable cones, it's the only plug-on transmitter that supports all professional microphone varieties – mono analog, stereo analog, AES and AES42 – making it an ideal choice for wireless transmission directly from boom poles o... Read More

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Description

The TRX745 is a plug-on style digital wireless transmitter with interchangeable cones, it's the only plug-on transmitter that supports all professional microphone varieties – mono analog, stereo analog, AES and AES42 – making it an ideal choice for wireless transmission directly from boom poles or handheld microphones.

This new model takes advantage of Blocks 20 – 26, where legal.

Its body is constructed from a combination of high strength nylon polymer and aluminum. It features Zaxcom High Density (ZHD) Modulation.

MICROPHONE CONNECTIVITY
The TRX745's cones are easily swapped in the field for ultimate flexibility. It comes standard with one cone of your choice, extra cones can be purchased separately.

Cone choices:
Mono Analog – 3-Pin XLR
Stereo Analog – 5-Pin XLR
AES (not powered) – 3-Pin XLR
AES42 (powered) – 3-Pin XLR

ENCRYPTED AUDIO
The TRX745 transmits using 100% digital modulation allowing audio to be fully encrypted. Digital encryption is the only way to keep all audio transmission private. A digital transmission also provides audio quality superior to analog systems.

QC AUDIO TRANSMISSION
The TRX745 also sends a Quality Control audio signal over ZaxNet™, so when micing someone you don't have to go all the way to the cart to hear how it sounds, you can use an ERX to listen to the mic right on the spot.

NEVERCLIP™
NeverClip™ is a standard feature of the TRX745 and works with all mono transmission types. It works by utilizing two A-D converters to extend the dynamic range of the transmitter to 126 dB, so there's never any limiter distortion.

INTERNAL RECORDING
Audio is simultaneously transmitted and recorded to a removable microSD card using the highly reliable MARF (Mobile Audio Recording Format) which eliminates file corruption common to recordings due to a dead battery or early card removal.

ZAXNET™
TRX745 is equipped with ZaxNet™, a long-range remote-control system allowing the user to change the frequency, pre-amp gain, sleep mode, and place the internal recorder in record, playback, and stop modes – all without ever needing to disturb talent.

The units can also replay audio via a timecode reference, giving production sound mixers the ability to replay and remix audio, creating a virtual multi-track playback and re-record system.

POWERROLL™
To extend battery life, PowerRoll™ adjusts the TRX745's power level to 100mW when the audio received from it is being recorded by a ZaxNet™ compatible recorder. When the transmitter audio isn't being recorded the power is automatically reduced to 25mW.

MODULATION CHOICES FOR YOUR ENVIRONMENT
The range will always vary depending on your environment, but you've got choices to optimize transmission for peak performance. Zaxcom High Density modulation (ZHD) increases the number of available channels from 4 to 9 for every 1 MHz of spectrum space, perfect for reflective environments like busy city streets. XR gives you the maximum distance in less dense / more controlled spaces.

POWER
The TRX745 runs on 3 x AA battery cells, the runtime is completely dependent on battery type and the power requirements of the microphone you're using.

MHZ BANDS
In the United States, the TRX745 runs in the frequencies and power outputs as follows:
512.0 to 607.9 (up to 100mW)
614.1 to 615.9 (20mW)
653.1 to 662.9 (20mW)

Globally, the TRX745 runs between 512.0 – 698.0 MHz.

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Product Specs

Transmitter
RF Modulation Proprietary Digital Method
US RF Frequency Ranges 512 – 607.9 MHz
614.1 to 615.9 MHz
653.1 to 662.9 MHz
Global RF Frequency Range 512 – 698 MHz
RF Frequency Step 100 KHz
RF Bandwidth in ZHD Mode 50 KHz
RF Bandwidth in XR Mode 200 KHz
Channel Separation in ZHD Mode as close as 100 KHz (receiver dependent)
Channel Separation in XR Mode 400 KHz
Antenna Connector 50 Ω SMA Female
Emission Designator 180 KV2E, 100 KV2E, 50 KV2E
FCC Part 74.861
Transmitter Audio
Dynamic Range 126 dB (Stereo model 106 dB)
Distortion 0.002%
Frequency Response Mode 0
High Pass Filter Off or 30 to 220 Hz, Steps
Mic Connector 3-Pin or 5-Pin XLR
Analog Mic Power 48 V Phantom (10 mA max)
Digital Mic Power 10 V AES42 compatible (200 mA max)
Input Range -60 to -30 dBu
Mic Impedance 4.7 k Ω
ADC Bit-Depth 24 Bits
Audio Interfaces Balanced analog mono, balanced stereo, AES42, AES
Timecode Reader / Generator
Clock Accuracy 1.54 PPM (1 Frame Out in 6 Hours)
Timecode Type SMPTE
Timecode Frame-Rates 23.98, 24, 25, 29.97NDF, 29.97DF, 30NDF, 30DF
Internal Recording
Media MicroSD Card (Flash Memory)
File Format .ZAX
Recording Time Card Dependent
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 with Battery
Dimensions (H x W x D) 5 cm x 11.5 cm x 4 cm
Display Graphic OLED
Power
Power Output 25, 50 or 100 mW – Software Selectable (varies by regulation)
Battery Type 3 AA cells
Battery Life Battery Type / Mic power requirement dependent

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