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Zaxcom

TRX743 - Plug-On Transmitter

BOOM!

  • Digital Modulation
  • Encrypted Audio
  • Intermodulation Resistant
  • Internal Recording
  • Marf
  • Neverclip
  • Timecode
  • ZaxNet
  • ZaxNet QC Audio
  • ZHD Modulation
From €2,245.00

Prices plus VAT

Cone:

Frequency range:

Quantity:

  • A10686

Features

CLUTTER FREE WITH ZHD

Ultra small spectral footprint of 50kHz that can be spaced as close together as 100KHz

CHANGE IT UP

The TRX743 has interchangeable input cones giving you the ultimate in flexibility. You can connect any microphone to the 743.

BELLS & WHISTLES

Wide-band transmitter with built-in recording that's RF remote controllable - what more could you ask for?

 

Description

The TRX743 is a wide-band plug-on style digital wireless microphone with interchangeable cones to support 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. The TRX743 features the new Zaxcom High Density (ZHD) Modulation. ZHD Modulation allows up to 10 channels of wireless to be operated in only 1 MHz of spectrum space. Channel spacing will vary based on the receiver you pair it with.

The wireless signal is only 50 KHz wide and can be spaced as close as 100 KHz channel to channel allowing up to sixty channels of ZHD wireless in a single 6 MHz American television channel. The new modulation is ultra efficient resulting in incredible transmission range.

The ZHD transmitters are capable of running all existing mono Zaxcom modulations maintaining compatibility with all currently produced Zaxcom receivers. ZHD modulation conforms to all currently proposed FCC regulations for spectrally efficient wireless transmission.

 

A bit about spacing…

  • The TRX743 paired with any Zaxcom wireless receivers in Mono or XR Modes can be spaced as close as 400 KHz channel to channel
  • The TRX743 paired with any Zaxcom QRX235, QRX200 or QRX212 in ZHD mode can be spaced as close as 200 KHz channel to channel (300 KHz recommended)
  • The TRX743 paired with the upcoming QRX335, QRX300 or QRX312 in ZHD mode can be spaced as close as 100 KHz channel to channel

The TRX743.5 covers blocks 20 through 23 (512-614MHz) and the TRX743.6 covers blocks 23 through 26 (596 – 698 MHz). Its body is constructed from a combination of high strength nylon polymer and aluminum. The 743 utilizes Zaxcom’s battery saving feature PowerRoll™. PowerRoll™ automatically adjusts the transmitter output power based on the record status as sent via ZaxNet boosting the output power level up to 100 mW while rolling and powering down to 25 mW while on standby.

The 743 works with ZaxNet, Zaxcom’s 2.4-GHz RF network that distributes remote control commands, timecode and IFB audio. With ZaxNet, one can remotely control transmitter settings such as gain, frequency channel selection, transport controls and output power levels. When paired with an IFB100/200 and Deva or Fusion 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.

The TRX743 also sends a Quality Control audio signal over ZaxNet so when micing someone you don’t have to go to the cart to hear how it sounds. Now you can use an ERX to listen to the mic right on the spot.

The TRX743’s cones are easily swapped in the field for ultimate flexibility. It comes standard with the cone of your choice, extra cones can be purchased as accessories.

Cone choices

  • Mono Analog – 3-Pin XLR
  • Stereo Analog – 5-Pin XLR
  • AES (not powered) – 3-Pin XLR
  • AES42 (powered) – 3-Pin XLR

CLUTTER FREE WITH ZHD

Ultra small spectral footprint of 50kHz that can be spaced as close together as 100KHz

CHANGE IT UP

The TRX743 has interchangeable input cones giving you the ultimate in flexibility. You can connect any microphone to the 743.

BELLS & WHISTLES

Wide-band transmitter with built-in recording that's RF remote controllable - what more could you ask for?

 

Description

The TRX743 is a wide-band plug-on style digital wireless microphone with interchangeable cones to support 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. The TRX743 features the new Zaxcom High Density (ZHD) Modulation. ZHD Modulation allows up to 10 channels of wireless to be operated in only 1 MHz of spectrum space. Channel spacing will vary based on the receiver you pair it with.

The wireless signal is only 50 KHz wide and can be spaced as close as 100 KHz channel to channel allowing up to sixty channels of ZHD wireless in a single 6 MHz American television channel. The new modulation is ultra efficient resulting in incredible transmission range.

The ZHD transmitters are capable of running all existing mono Zaxcom modulations maintaining compatibility with all currently produced Zaxcom receivers. ZHD modulation conforms to all currently proposed FCC regulations for spectrally efficient wireless transmission.

 

A bit about spacing…

  • The TRX743 paired with any Zaxcom wireless receivers in Mono or XR Modes can be spaced as close as 400 KHz channel to channel
  • The TRX743 paired with any Zaxcom QRX235, QRX200 or QRX212 in ZHD mode can be spaced as close as 200 KHz channel to channel (300 KHz recommended)
  • The TRX743 paired with the upcoming QRX335, QRX300 or QRX312 in ZHD mode can be spaced as close as 100 KHz channel to channel

The TRX743.5 covers blocks 20 through 23 (512-614MHz) and the TRX743.6 covers blocks 23 through 26 (596 – 698 MHz). Its body is constructed from a combination of high strength nylon polymer and aluminum. The 743 utilizes Zaxcom’s battery saving feature PowerRoll™. PowerRoll™ automatically adjusts the transmitter output power based on the record status as sent via ZaxNet boosting the output power level up to 100 mW while rolling and powering down to 25 mW while on standby.

The 743 works with ZaxNet, Zaxcom’s 2.4-GHz RF network that distributes remote control commands, timecode and IFB audio. With ZaxNet, one can remotely control transmitter settings such as gain, frequency channel selection, transport controls and output power levels. When paired with an IFB100/200 and Deva or Fusion 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.

The TRX743 also sends a Quality Control audio signal over ZaxNet so when micing someone you don’t have to go to the cart to hear how it sounds. Now you can use an ERX to listen to the mic right on the spot.

The TRX743’s cones are easily swapped in the field for ultimate flexibility. It comes standard with the cone of your choice, extra cones can be purchased as accessories.

Cone choices

  • Mono Analog – 3-Pin XLR
  • Stereo Analog – 5-Pin XLR
  • AES (not powered) – 3-Pin XLR
  • AES42 (powered) – 3-Pin XLR

TRANSMITTER

  • RF Modulation: Proprietary Digital Method
  • TRX743.5 RF Frequency Range: 512 - 614 MHz
  • TRX743.6 RF Frequency Range: 596 - 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: 20 Hz to 16 kHz / T & M Mode 0.2 Hz to 16 kHz
  • High Pass Filter: Off or 30 to 220 Hz, Steps: 10 (6 dB Per Octave)
  • 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

 

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 (213g) 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
  • Battery Type: 3 AA cells
  • Battery Life is dependent on Battery type and microphone power requirements
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