Lectrosonics UCR411A Digital Hybrid Wireless Compact Receiver (Frequency Block 23)

Lectrosonics 400 Series - Portable Wireless Microphone System (No Mic) (Frequency Block 23)

Lectrosonics 400 Series - Portable Wireless Microphone System (No Mic) (Frequency Block 23)

B&H # LE411AHM23 (B&H Kit)
Lectrosonics 400 Series - Portable Wireless Microphone System (No Mic) (Frequency Block 23)

Kit includes:


Lectrosonics 400 Series - Portable Wireless Microphone System (No Mic) (Frequency Block 23) Lectrosonics UCR411A Digital Hybrid Wireless Compact Receiver (Frequency Block 23) Lectrosonics HMa UHF Plug-On Wireless Transmitter (B1: 537.600 to 614.375 MHz)

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Expected availability: 7-10 business days

Product Highlights

  • Includes UCR411A Receiver
  • Includes HMa B1 Plug-In Transmitter
  • Back-Lit LCD Display on Transmitter
  • Digital Hybrid Technology
  • Frequency Block 23
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This item is noncancelable and nonreturnable.

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  • 1Description

The Lectrosonics 400 Series wireless microphone systems combine digital hybrid technology, diversity reception and rugged components to achieve pristine audio signals at long range. This system includes the UCR411A camera mountable receiver and HMa Digital Hybrid plug-in transmitter.

The UCR411A is a portable, camera mountable receiver designed for professional audio applications in the field or indoors. The receiver is completely compatible with all 400 series wireless transmitters and provides 256 selectable UHF frequencies across a 25.6MHz tuning range. Smart Diversity reception reduces RF interference and dropout and a built-in RF spectrum analyzer searches across the entire 25.6MHz tuning range, locating the strongest possible frequencies in the area. The clear frequencies are marked and displayed on the backlit LCD. Balanced XLR output provides maximum output gain with minimal noise and the receiver is powered with internal 9V batteries or external DC power supply.

The HMa Digital Hybrid Plug-in Transmitter is a UHF transmitter with 256 user selectable UHF frequencies and digital hybrid signal transmission for optimum range while minimizing noise. Incoming audio signal is digitized at 24-bit resolution, eliminating the noise and artifacts associated with analog compandors. The result is greater range with minimal noise. Its XLR input is compatible with any microphone or cable featuring an XLR connection. The input level is variable, allowing use with low impedance mics and line level devices. The receiver features a comprehensive LCD and low cut filter. A full 100mW output power is achieved on a single 9V battery.

  • Lectrosonics UCR411A Digital Hybrid Wireless Compact Receiver (Frequency Block 23)

    The UCR411A Digital Hybrid Wireless Compact Receiver from Lectrosonics is a portable, camera mountable receiver designed for professional outdoor or indoor audio applications. It can be used when paired with a transmitter and microphone to capture audio for ENG (electronic news gathering), and EFP (electronic field production) functions, and more.

    All settings are made from the front panel with an LCD interface, making the unit ideal for use in Quad Paks, on sound carts, in portable bags, and in rackmount multi-couplers. The receiver is compatible with all 400 series wireless transmitters and provides 256 selectable UHF frequencies across a 25.6 MHz tuning range. SmartDiversity reception reduces RF interference and dropout and a built-in RF spectrum analyzer searches across the entire 25.6 MHz tuning range, locating the strongest possible frequencies in the area.

    Furthermore, a balanced XLR output provides maximum output gain with minimal noise and the receiver is powered by two internal 9V batteries or external DC power supply. The machined aluminum housing and panels are surfaced with electrostatic powder-coated and anodized finishes with laser etched markings to withstand the rigors of field production.

    Note: For system compatibility, the component's frequency must match your existing system/component frequency.

    Digital Hybrid Technology
    24-bit digital audio stream is decoded at the receiver resulting in greater operating range without noise and artifacts caused by analog compandor circuits.
    256 Selectable Frequencies
    The receiver offers 256 selectable UHF frequencies over a 25.6 MHz range.
    SmartDiversity Diversity Reception
    The UCR411 uses Lectrosonic's SmartDiversity design analyzes incoming audio signal to determine the optimum timing for phase switching. The result is minimal noise and dropout due to RF interference.
    SmartNR
    Lectrosonics SmartNR (Noise Reduction) automatically allocates noise reduction by attenuating audio signal that match a calculated, statistical profile. The result enhances clarity and intelligibility while eliminating noise.
  • 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
  • Lectrosonics UCR411A Digital Hybrid Wireless Compact Receiver (Frequency Block 23)
    RF Carrier Frequency Range Block 23: 588.8 to 614.3 MHz
    Frequency Adjustment Range 25.5 MHz in 100 kHz steps
    Type of Receiver Triple conversion, superheterodyne, 244 MHz, 10.7 MHz, and 300 kHz
    Frequency Stability 0.001%
    Front End Bandwidth 5.5 MHz @ -3 dB
    Sensitivity 20 dB Sinad: 0.9 uV (-108 dBm), A weighted
    60 dB Quieting: 1.12 uV (-105 dBm), A weighted
    Squelch Quieting Greater than 100 dB
    AM Rejection Greater than 60 dB, 2 uV to 1 V (undetectable after processing)
    Modulation Acceptance 85 kHz
    Image and Spurious Rejection 85 dB
    Third Order Intercept +8 dBm
    Diversity Method Phased antenna combining SmartDiversity
    FM Detector Digital Pulse Counting Detector operating at 300 kHz
    Antenna Inputs Dual BNC female, 50-Ohm impedance
    Audio Outputs Rear Panel XLR: Adjustable from -50 dBu to +5 dBu in 1 dB steps
    Calibrated into a typical 10-kOhm balanced load
    Can drive 600-Ohm load
    Front Controls & Indicators
    LCD Display Main Window: Pilot tone, antenna phase, receiver battery level, transmitter battery status, audio level, and RF level
    Frequency Window: Frequency, TV channel, and Transmitter switch setting
    Audio Output Level Adjustment: -50 dBu to +5 dBu
    Battery Level Tracking: Receiver and transmitter (9 V battery) in 1/10th V steps, accuracy ±0.2 V
    Transmitter (AA battery) x.xxV format, accuracy ±0.05 V
    Timer option available when transmitter battery is set to NiMH
    Scanning Mode: Coarse and fine modes for RF spectrum site scanning
    Audio Test Tone: 1 kHz, -50 dBu to +5 dBu output, < 1% THD
    Transmitter Battery Type Selection: 9 V alkaline, 9 V lithium, AA alkaline, AA lithium, and NiMH
    Phase Invert: Audio output phase normal or inverted
    SmartNR (Noise Reduction): OFF, normal, and full modes (available in 400 Series mode only)
    Audio Performance (Overall System)
    Frequency Response 32 Hz to 20 kHz (1 dB)
    THD 0.2% (typical)
    SNR at Receiver Output SmartNR Off: No limiting 103.5 dB, w/limiting 108.5 dB
    Normal: No limiting 107.0, w/limiting 111.5 dB
    Full: No limiting 108.5, w/limiting 113.0 dB
    Input Dynamic Range 125 dB (with full Tx limiting)
    Rear Panel XLR audio output jack, External DC input, and battery compartment access
    Power Options Ext DC: Minimum 10 V to maximum 18 VDC, 1.6 W, 180 mA at 12 VDC
    Internal Battery: 2 x 9 V alkaline or lithium (165 mA @ 9 V, 240 mA @ 6 V)
    Battery Life 9 V Alkaline: 6 to 8 hours continuous, up to 12 hours intermittent
    9 V Lithium: Up to 20 hours (continuous and intermittent usage are the same)
    Dimensions (W x H x D) 3.2 x 1.3 x 4.6" / 8.2 x 3.2 x 11.8 cm
    Weight 14.0 oz / 396.9 g (with batteries)
    Packaging Info
    Box Dimensions (LxWxH) 14.0 x 10.4 x 4.2"
  • 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 Info
    Box Dimensions (LxWxH) 9.8 x 7.9 x 3.0"
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