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SRc Band B-1 covers frequency range 537.6-614.3 MHz or blocks 21, 22, and 23.
The Lectrosonics SRc (and SRc5P) units each consist of two receivers which are built into a single, ultra-compact housing, with optional adaptors for video camera receiver slots and for standalone use. The two internal receivers can be operated separately, each using switching, antenna combining diversity, or in tandem with ratio diversity reception. The audio inputs of the receivers can be mixed internally or left separated for discrete recording tracks or external mixing. The 5P variant allows dual channel operation for cameras with only one audio channel in the slot.
These new Digital Hybrid Wireless dual-channel diversity slot receivers include a wide tuning range of three standard Lectrosonics blocks or 76 MHz. Tuning steps of 100 kHz or 25 kHz allow for up to 3072 frequencies per band. Tracking front-end filters provide excellent out-of-band rejection of RF noise, making the receivers ideal performers in extreme RF conditions. And DSP compatibility modes allow the receivers to be used with a variety of Lectrosonics systems, including the IFB transmitters, as well as a variety of other wireless systems. An IR (infrared) port is included to simplify setup with IR enabled transmitters.
The SmartTune feature quickly and automatically selects frequencies based on local scan data. Audio frequency response: 40 Hz - 20 kHz +- 1dB.
Frequency selection steps: Selectable; 100 kHz or 25 kHz
Receiver Type: Dual conversion, superheterodyne
IF Frequencies: Ch.1: 248.450 MHz and 350.000 kHz Ch. 2: 243.950 MHz and 250.000 kHz
Frequency Stability: ±0.001 %
Front end bandwidth: 20 MHz @ -3 dB
Sensitivity 20 dB SINAD: 1.0 uV (-107 dBm), A weighted 60 dB Quieting: 2.2 uV (-100 dBm), A weighted
Squelch quieting: Greater than 100 dB typical
AM rejection: Greater than 60 dB, 4 uV to 1 Volt
Modulation acceptance: 85 kHz Image and spurious rejection: 85 dB
Third order intercept: 0 dBm
Diversity method: SmartDiversityTM phased antenna combining or Ratio Diversity using both receivers for a single audio channel
FM Detector: Digital Pulse Counting Detector operating at 250 and 350 kHz
RF spectrum analyzer: Coarse and fine scanning modes for RF spectrum site survey
Antenna inputs: 50 Ohm; SMA female connectors
Audio output connectors: • Interchangeable D connector adapters for camera slot interfaces • Dual TA3 male (mini XLR) balanced output adapter • Balanced output adapter with fixed cables
Front panel audio output (5P model): Control panel TA5M with two balanced outputs Audio output level: Adjustable -50 to +5 dBu in 1 dB steps; unbalanced output is 6 dB lower Audio channel crosstalk: -80 dB or better Front Panel Controls and Indicators: • Sealed panel with membrane switches • LCD monitors pilot tone; antenna phase, receiver battery level; transmitter battery status; audio level, RF level
Audio test tone: 1 kHz, -50 dBu to +5 dBu output (bal); 1% THD
Transmitter battery type Selection: 9V alkaline, 9V lithium, AA alkaline, AA lithium, NiMH Phase invert: Audio output phase normal or inverted
Compatibility modes:
NA HYBR North American Digital Hybrid Wireless®
MODE 3 Other manufacturer*
200 SER 200 Series transmitters
100 SER 100 Series transmitters
MODE E Other manufacturer* EU HYBR European Digital Hybrid Wireless® 300 SER 300 Series transmitters (European) MODE 7 Other manufacturer*
MODE 6 Other manufacturer* IFB SER IFB transmitters in IFB mode *Contact the factory for details on other manufacturers
SmartNR (noise reduction): OFF, NORMAL, FULL modes (available in Digital Hybrid mode only)
Audio Performance (overall system):
Frequency Response: 32 Hz to 20 kHz (+/- 1dB) THD: 0.15% (system) typical in Digital Hybrid mode
