Lectrosonics VR Field Modular Wideband Receiver without modules

The VR Field Receiver system is a modular UHF design that operates with Digital Hybrid Wireless® transmitters and a variety of analog transmitters. It consists of a Venue Field wideband receiver (VRFIELD), one to six plug-in receiver modules and a built-in antenna multi-coupler. LecNet2 software is included for setup, monitoring and control. Each individual receiver can be used by itself for phase switched diversity reception, with one audio channel per receiver. For more robust diversity reception, adjacent receivers can be paired and used for ratio diversity or frequency diversity reception. A battery compartment in the assembly accepts standard "NP" style batteries. Batteries must be charged outside of the VR Field with chargers designed for the specific battery type in use.

Chassis Models:
- VRFIELDWBL - 222 MHz bandwidth (Wideband Low)
Digital Hybrid Wireless® system
Ultra portable and self-contained
Six-channel modular configuration
"NP1" style battery power
3 different diversity reception schemes
256 synthesized UHF frequencies per receiver module
DSP modes for use with analog wireless systems
LCD interface for setup and monitoring
USB and RS-232 computer interface for control and programming with included software

Passband for VR Field host asssembly	Wideband Low (470 - 691 MHz passband)
operating Frequencies (MHz) for Receiver Modules
Block 470 470.100	495.600
Block 19 486.400	511.900
Block 20 512.000	537.500
Block 21 537.600	563.100
Block 22 563.200	588.700
Block 23 588.800	607.900 and 614.100 - 614.300
Block 24 614.400	639.900
Block 25 640.000	665.500
Block 26 665.600	691.100
Digital latency	• 1.5 mS (receiver only - hybrid mode) • 3.0 mS (receiver and transmitter in hybrid mode) • 3.0 mS (receiver only - analog compatibility mode)
Frequency selection	256 frequencies in 100 kHz steps per 25.5 MHz frequency block
Channel Spacing	100 kHz
Dual Block Range	Built in antenna mulitcoupler covers a two block range.
Pilot tone	25 to 32 kHz; 5kHz deviation; unique pilot tone frequency for each selected carrier frequency (Hybrid mode)
Deviation	± 75 kHz (max) (Hybrid mode)
Receiver Type	Triple conversion superheterodyne
Frequency Stability	±0.001 %
Front End Bandwidth	VR Master: 50 MHz @ -3 dB VRS Module: 30 MHz @ -3 dB VRT Module: 11 MHz @ -3 dB
Sensitivity (20 dB Sinad)	0.9 uV
AM Rejection	>60 dB, 2 uV to 1 Volt Image and Spurious
Rejection	85 dB
Third Order Intercept	VRS:+0 dBm, VRT: +6 dBm
Diversity Methods	Switched, ratio and frequency
FM Detector	Digital pulse counting detector @ 300 kHz
Audio Performance (overall system)
Frequency Response	32 Hz to 20 kHz (+/-1dB), overall system(400 Series mode)
THD	0.2% (typical) (400 Series mode)
SNR at receiver output (dB)
SmartNR Off	103.5 no limiting; 108.5 w/limiting
SmartNR Normal	107.0 no limiting; 111.5 w/limiting
SmartNR Full	108.5 no limiting; 113.0 w/limiting
Input Dynamic Range	125 dB (with full transmitter limiting)
Audio Output Level	-15 dBu to +8 dBu, in 1 dB increments
LCD	122x32 graphical display
Power Requirements	10 to 18 VDC; 17.2 W max. (1.72 A @ 10 VDC to1.05 A @ 18 VDC) via external power supply orNP1-type 12V battery
Weight	5.77 lbs. (2619 g) with 6 VRS receivers & clips
Dimensions	Height: 3.5" (8.89 cm) Width: 11.88" (30.18 cm) Depth: 8.25" (20.95 cm)(cover to end of BNC jacks,+1.5" for rear handle)

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