MPN #TRXLA3.5    
Zaxcom TRXLA3.5


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The TRXLA3 is a wide-band transmitter featuring 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 LA3 paired with any Zaxcom wireless receivers in Mono or XR Modes can be spaced as close as 400 KHz channel to channel
  • The LA3 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 LA3 paired with the upcoming QRX335, QRX300 or QRX312 in ZHD mode can be spaced as close as 100 KHz channel to channel

  • The TRXLA3.5 covers blocks 20 through 23 (512-614MHz) and the TRXLA3.6 covers blocks 23 through 26 (596 - 698 MHz). It's lightweight and durable, housed in a high strength, impact resistant nylon polymer casing. The LA3 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 50 mW while on standby.

    The LA3 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 LA3 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.
    Clutter free with ZHD

    No Hoarding
    Ultra small spectral footprint of 50kHz that can be spaced as close together as 100KHz

    Power Ranger
    Our most efficient modulation clears the way for even more transmission distance than ever before

    Bells & Whistles
    Wide-band transmitter with built-in recording that's RF remote controllable - what more could you ask for
    RF Modulation: Proprietary Digital Method
    TRXLA3.5 RF Frequency Range: 512 - 614 MHz
    TRXLA3.6 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 SSMA 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 Power: 3.3 VDC
    Mic Connector: 3-Pin Micro LEMO
    Input Range: -60 to -30 dBu
    Mic Impedance: 6.8 k
    ADC Bit-Depth: 24 Bits
    ADC Sampling-Rate: 48 kHz

    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:

    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

    Weight: 3.2 oz without Battery
    Dimensions (H x W x D): 3.0 x 2.4 x .65
    Display: Graphic OLED

    Power Output: 25 / 50 / 100 mW - Software Selectable
    Battery Life: Up to 7 Hours with 2 Lithium AA at 100mW
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