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Lectrosonics UCR411A - Wireless Receiver

Lectrosonics 400 Series Wireless UHF Lavalier Microphone System (No Mic) (Frequency Block 26)

Lectrosonics 400 Series Wireless UHF Lavalier Microphone System (No Mic) (Frequency Block 26)

B&H # LE411AUM26 MFR # UCR411AUM400A-26
Lectrosonics 400 Series Wireless UHF Lavalier Microphone System (No Mic) (Frequency Block 26)

Kit includes:


Lectrosonics UCR411A - Wireless Receiver Lectrosonics UM400a - UHF Bodypack Transmitter Lectrosonics 400 Series Wireless UHF Lavalier Microphone System (No Mic) (Frequency Block 26)

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Product Highlights

  • UCR411 Camera Mountable Receiver
  • UM400 Beltpack Transmitter
  • Frequency Block 26

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Overview
  • 1Description

The Lectrosonics 400 Series wireless microphone systems combine digital hybrid technology, diversity reception and rugged components to achieve pristine audio signal at long range. This system includes the UCR411 camera mountable receiver and UM400 belt-pack transmitter.

The UCR411 is a portable, camera mountable receiver designed for professional audio applications in the field or in-doors. The receiver is completely compatible with all 400 series wireless transmitters and provides 256 selectable UHF frequencies across a 25.6 MHz tuning range. Smart Diversity reception reduces RF interference and drop out and a built-in RF spectrum analyzer searches across the entire 25.6 MHz tuning range, locating the strongest possible frequencies in the area. The clear frequencies are marked and displayed on the back-lit 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 UM400 is a UHF body-pack transmitter for use with the UCR411 receiver. The transmitter features 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. A TA5-male input is compatible with any microphone or cable featuring a TA5 connection. The input level is variable, allowing use with low impedance mics, electret lavalier mics with positive or negative bias 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 - Wireless Receiver

    The Lectrosonics UCR411 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 drop out 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.

    256 Selectable Frequencies
    Both transmitter and receiver offer 256 selectable UHF frequencies over a 25.6MHz range.
    Built-In RF Analyzer
    An internal RF spectrum analyzer searches the entire 25.6MHz range for frequencies most suitable for use in your area. Clear frequencies are then displayed on the LCD.
    Diversity Reception
    The UCR411 uses Lectrosonic's Smart Diversity design for even further protection against RF interference and signal dropout.
  • Lectrosonics UM400a - UHF Bodypack Transmitter

    The Lectrosonics UM400a is a UHF bodypack transmitter for use with the UCR411 receiver. The transmitter features 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. The improved TA5-male servo input is compatible with any microphone or cable featuring a TA5 connection. The input level is automatically matched, allowing use with low impedance mics, electret lavalier mics with positive or negative bias 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.

    Improved Servo Microphone Input
    The UM400a delivers a significant improvement over the previous UM400 with its TA5-male servo input. The input level is automatically matched, allowing use with low impedance mics, electret lavalier mics with positive or negative bias and line level devices.
    Digital Hybrid Transmitter
    The UM400a transmitter features a DSP-based digital hybrid architecture. Incoming signal is digitized in 24-bit, eliminating noise associated with analog compandors. The result is greater range without noise.
    Frequency Agile
    The frequency agile UM400a transmitter features 256 selectable synthesized UHF frequencies to choose from. Rotary dials located on the side panel allow quick and easy switching.
    High Output Power
    Perhaps one of the major attributes to Lectrosonics components is the frequency output power. The UM400a boasts 100 mW of output power, rendering the unit virtually free from drop-outs.
    Mic & Line Level Input
    The input is designed to handle both mic and line level sources. A level dial conveniently adjusts impedance gain levels to accurately match different microphones and line sources.
    Pristine Audio Quality
    Flat frequency response and wide dynamic range provide superb audio fidelity. Dual-band compandor and low frequency roll-off, eliminate distortion and noise born at low frequencies.
In the Box
Table of Contents
  • 1Description
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Specifications
  • Lectrosonics UCR411A - Wireless Receiver
    Type of Receiver Diversity / Triple conversion, superheterodyne
    RF Carrier Frequency Range 665.600 - 691.100 MHz (Frequency Block 26)
    Approx. Working Range 300' in adverse conditions
    1,000' in ideal conditions
    Overall Frequency Response 30Hz to 20kHz (+/- 1dB)
    Signal-to-Noise Ratio 103.5 to 113dB (varies with SmartNR setting)
    # Of Channels 256 frequencies in 100kHz steps per 26MHz wide block
    Type of Outputs Balanced XLR Male Output
    Headphone Monitoring No
    Power Requirements Ext DC: Minimum 10 to Maximum 18VDC; 1.6W, 100mA at 12VDC
    Int Batt: 9V alkaline or lithium (90mA @ 9V, 120mA @ 6V)
    Battery Type/Approx. Life 9V Alkaline: 3.5 hours continuous, 4 hours intermittent
    9V Lithium: Up to 12 hours (continuous and intermittent usage are the same)
    Display Multi-Function Back-lit LCD display
    Mounting Options Camera or Belt Mount
    Antenna Type 1/4 wave
    Dimensions 3.23 x 1.25 x 4.64" (82.042 x 31.75 x 117.856mm) WxHxD
    Weight 14 oz (400g) with batteries
    Packaging Info
    Box Dimensions (LxWxH) 14.1 x 10.6 x 4.1"
  • Lectrosonics UM400a - UHF Bodypack Transmitter
    Frequency Selection 256 frequencies in 100 kHz steps
    RF Power Output 100 mW (nominal)
    Pilot Tone 25 to 32 kHz; 5 kHz deviation
    Frequency Stability ± 0.002%
    Deviation ± 75 kHz (max)
    Spurious Radiation 90 dB below carrier
    Equivalent Input Noise -120 dBV (A-weighted)
    Input Level Nominal 2 mV to 300 mV, before limiting. Greater than 1 V maximum, with limiting
    Input Impedance Dynamic Mic: 300 ohms
    Electret Lavaliere: Input is virtual ground with servo adjusted constant current bias
    Line Level: 2.7 kOhms
    Input Limiter Dual envelope "soft" limiter; greater than 30 dB range
    Gain Control Range 43 dB; semi-log rotary control
    Modulation Indicators Dual bicolor LEDs indicate modulation of -20, -10, 0, and +10 dB referenced to full modulation
    Frequency Response 32 Hz to 20 kHz (+/-1 dB)
    THD 0.2% (typical)
    SNR SmartNR OFF: 103.5 (no limiting), 108.0 (w/limiting)
    SmartNR NORMAL: 107.0 (no limiting), 111.5 (w/limiting)
    SmartNR FULL: 108.5 (no limiting), 113.0(w/limiting)

    (Note: The dual envelope "soft" limiter provides good handling of transients using variable attack and release time constants. Gradual onset of limiting in the design begins below full modulation, which reduces the measured figure for SNR without limiting by 4.5 dB)
    Dynamic Range 125 dB (with full Tx limiting) low frequency roll-off (input)
    Adjustment -18 dB/octave; adjustable from 35 to 150 Hz
    Controls Two position "ON-OFF" power switch
    Audio input gain knob
    Low frequency roll-off pot on side panel
    Two 16-position rotary switches adjust frequency
    Audio Input Jack Switchcraft 5-pin locking (TA5F)
    Antenna Detachable, flexible wire supplied
    50 ohm port allows connection to test equipment
    Battery Precision compartment auto-adjusts to accept any known 9 volt battery
    Battery Life 5 hours (alkaline); 10 hours (lithium)
    Emission Emission Designator: 180KF3E
    Dimensions 3.17 x 2.48 x 0.84" (80.5 x 63.0 x 21.3 mm)
    Weight 6.98 oz (198 g), (including battery & antenna)
    Packaging Info
    Box Dimensions (LxWxH) 9.8 x 8.0 x 2.9"

Lectrosonics 400 Series Wireless UHF Lavalier Microphone System (No Mic) (Frequency Block 26) Review

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