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Lectrosonics UCR411a Digital Hybrid Wireless Compact Receiver (Block 21: 537 to 563 MHz)

BH #LEUCR411A21 • MFR #UCR411A-21
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Lectrosonics UCR411a Digital Hybrid Wireless Compact Receiver (Block 21: 537 to 563 MHz)
Key Features
  • Digital Hybrid Wireless
  • Smart Squelch & Diversity Technology
  • Smart Noise Reduction
  • Balanced XLR Audio Output
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.
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Lectrosonics UCR411A Overview

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 UCR411A Specs

RF Carrier Frequency Range
Block 21: 537 to 563 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
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
Package Weight
3.2 lb
Box Dimensions (LxWxH)
14.05 x 10.55 x 4.15"

Lectrosonics UCR411A Reviews

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