Lectrosonics HMa UHF Plug-On Wireless Transmitter (B1: 537.600 to 614.375 MHz)

Lectrosonics HMa Digital Hybrid Wireless UHF Plug-On Transmitter & RE50B Mic Kit (B1: 537.600 to 614.375 MHz)

Lectrosonics HMa Digital Hybrid Wireless UHF Plug-On Transmitter & RE50B Mic Kit (B1: 537.600 to 614.375 MHz)

B&H # LEHMAB1K (B&H Kit)
Lectrosonics HMa Digital Hybrid Wireless UHF Plug-On Transmitter & RE50B Mic Kit (B1: 537.600 to 614.375 MHz)

Kit includes:


Lectrosonics HMa UHF Plug-On Wireless Transmitter (B1: 537.600 to 614.375 MHz) Electro-Voice RE50B - Omnidirectional Dynamic Shockmounted ENG Microphone (Black) Lectrosonics HMa Digital Hybrid Wireless UHF Plug-On Transmitter & RE50B Mic Kit (B1: 537.600 to 614.375 MHz)

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Product Highlights

  • For Broadcast, EFP and ENG Applications
  • Digital Hybrid Plug-On Transmitter
  • Electro-Voice RE50B Handheld Microphone
  • Omnidirectional Polar Pattern
  • Powered by Two AA Batteries
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Lectrosonics Hma overview

  • 1Description

The B1 Lectrosonics HMa UHF Plug-On Wireless Transmitter & RE50B Mic Kit from B&H includes a Digital Hybrid Wireless transmitter and an Electro-Voice RE50B industry standard handheld interview mic. It can be used when paired with a Lectrosonics receiver (sold separately) in applications for broadcast TV, ENG (Electronic News Gathering), EFP (Electronic Field Productions), interviews, and more.

The transmitter provides a wide tuning range and covers a total of 256 frequencies for compatibility with all of the Digital Hybrid Wireless receivers. Plus, DSP compatibility modes are built-in to work with Lectrosonics legacy analog wireless-microphone receivers, as well as some receivers from other manufacturers.

In addition, the kit includes an Electro-Voice RE50B microphone for everyday, local, national, and international news reporting. Designed as an ENG/EFP interview microphone, the built-in shockmount and Acoustifoam filter keeps wind and P-pop noise to a minimum, indoors or out. The frequency response is 80 Hz to 13 kHz.

  • Lectrosonics HMa UHF Plug-On Wireless Transmitter (B1: 537.600 to 614.375 MHz)

    The HMa from Lectrosonics is a UHF plug-on transmitter that accepts mic or line-level signals via a standard XLR connector. It has selectable 5, 15, & 48V phantom power and can be used when paired with a Lectrosonics receiver and handheld microphone - sold separately - in applications for ENG (Electronic News Gathering), EFP (Electronic Field Productions), interviews for broadcast TV, and more.

    The input amplifier of the HMa transmitter uses an ultra-low noise op-amp for quiet operation and is gain controlled with a wide range dual envelope limiter. A 24-bit A to D converter digitizes the audio, and filters the supersonic noise above 21 kHz. The resulting signal is encoded with a proprietary algorithm to produce an analog data signal for RF transmission.

    Featuring a wide tuning range of 76 MHz, with tuning steps in increments of 100 kHz or 25 kHz for up to 3072 frequencies, the HMa transmitter also covers three standard 25.6 MHz Lectrosonics frequency blocks. Each block provides 256 different pilot tone frequencies. Legacy analog wireless microphone and IFB receivers are designed to work in DSP compatibility mode, as well as some receivers from other manufacturers.

    Finally, the transmitter is powered by two AA batteries, with status indicated by a multi-color LED. A USB port is also provided for firmware updates, and an IR (infrared) port is included to simplify setup with IR enabled receivers.

    Digital Hybrid Wireless is a revolutionary design that combines digital audio with an analog FM radio link to provide outstanding audio quality and the exemplary RF performance of the finest analog wireless systems
    Multi-color LED status indicator
    Selectable 50/100 mW output power
    76 MHz tuning range in 100 kHz or 25 kHz steps for up to 3072 frequencies
    The antenna is formed between the machined aluminum housing of the transmitter and the attached microphone or cable. It functions as a dipole radiator when attached to a hand-held microphone and somewhat like a ground plane antenna when connected with a cable or plugged directly into a mixer
  • Electro-Voice RE50B - Omnidirectional Dynamic Shockmounted ENG Microphone (Black)

    Every day, for local, national and international news reports, the Electro-Voice RE50B gathers the audio for news interviews. Designed specifically as an ENG/EFP interview microphone, the RE50B's custom Dyna-Damp "mic-within-a-mic" shockmount provides extremely low handling noise for clear sound. A large, built-in Acoustifoam filter keeps wind and P-pop noise to an absolute minimum, indoors or out. Frequency response is 80 Hz to 13 kHz.

    Industry standard news interview microphone
    Features EV Dyna-Damp shockmount
    Extremely low handling noise for clear sound
    "Mic-within-a-mic" concept reduces wind and vocal plosive sounds
    UPC: 701001010905

Lectrosonics Hma specs

  • Lectrosonics HMa UHF Plug-On Wireless Transmitter (B1: 537.600 to 614.375 MHz)
    Frequency Selection Steps Selectable; 100 kHz or 25 kHz
    Operating Frequency B1: 537.600 to 614.375 MHz
    RF Power Output Selectable 50/100 mW
    Pilot Tone 25 to 32 kHz; 5 kHz deviation (in the Digital Hybrid mode)
    Frequency Stability ± 0.002%
    Deviation ± 75 kHz (max in Digital Hybrid mode)
    Spurious Radiation 60 dB below carrier
    Equivalent Input Noise -125 dBV (A-weighted)
    Input Level Nominal 2 mV to 300 mV, before limiting; greater than 1V maximum, with limiting
    Input Impedance 300 ohms
    Limiter Dual envelope "soft" limiter; greater than 30 dB range
    Gain Range 55 dB; panel mounted membrane switches
    Modulation Dual bi-color LEDs indicate modulation of -20, -10, 0, +10 dB referenced to full modulation
    Frequency Response 35 Hz to 20 kHz (+/-1 dB)
    Low Frequency Roll-Off Adjustable for -3 dB @ 30, 50, 70 Hz
    THD 0.2% (typ. 100 Hz to 20 kHz)
    Signal to Noise Ratio SmartNR Off
    • no limiting: 103.5 dB
    • limiting: 108 dB

    SmartNR Normal
    • no limiting: 107 dB
    • limiting: 111.5 dB

    SmartNR Full
    • no limiting: 108.5 dB
    • limiting: 113 dB
    Dynamic Range 125 dB (with full Tx limiting)
    Controls and Indicators
    • Power/Phantom "ON-OFF" switch
    • Phantom voltage selector switch
    • Audio input gain knob
    • LCD w/ membrane switches
    • LED audio level indicators
    Audio Input Jack Standard 3-pin XLR (female)
    Phantom Power Off; 5 V @ 18 mA max; 15 V @ 15 mA max; 48 V @ 4 mA max
    Antenna Housing and attached microphone form the antenna
    Battery Two 1.5 Volt AA lithium or rechargeable NiMH recommended
    Battery Life Alkaline
    • No Phantom: 5 hrs
    • 48 V on: 3.5 hrs
    Emission Standard 180KF3E
    Dimensions 4.25 x 1.62 x 1.38" (10.8 x 4.1 x 3.5 cm)
    Weight 7.5 oz (211 g) with AA batteries
    Packaging Infoztufwyyfvtvuyxxewexfeywzzusyzb
    Box Dimensions (LxWxH) 9.8 x 7.9 x 3.0"
  • Electro-Voice RE50B - Omnidirectional Dynamic Shockmounted ENG Microphone (Black)
    Polar Pattern Omnidirectional
    Element Type Dynamic
    Output Connector 3-Pin XLR Male
    Frequency Response 80 Hz - 13 kHz
    Output Impedance 150 Ohms
    Sensitivity 1.6 mV/Pa
    Power Requirements None
    Case Material Aluminum
    Dimensions (L x D) 7.8 x 1.9" / 198.1 x 48.3 mm
    Weight 9.5 oz / 269 g
    Packaging Infoztufwyyfvtvuyxxewexfeywzzusyzb
    Box Dimensions (LxWxH) 9.921 x 5.433 x 2.677"

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