Wireless IFB (interruptible fold back) systems are used for talent cueing and crew communications in broadcast and motion picture production. In other cases, the IFB system is used by directors and other management to monitor program audio during a production. The IFB R1a receiver provides simplicity and flexibility in a package that is intuitive for untrained users to operate. The receiver is housed in a rugged machined aluminum package. An optional spring-loaded belt clip (shown at right) provides a secure mounting on a wide variety of belts, pockets and fabrics. The belt clip is removable to reduce its size and allow mounting into other types of bags and belt worn mounting systems common in field production.
FEATURES:
Preset frequency can be set without power or transmitter signal
Scan mode stores up to five additional frequencies
Multi-color LED and rotary control for programming and operation
High sensitivity for extended operating range indoors or outdoors
Rugged machined aluminum housing
Attached battery door
8 hours battery life (alkaline)
20 hours battery life (lithium)
256 frequencies in 100 kHz increments
Microprocessor controlled
Pilot tone squelch
Compandor noise reduction
LECTROSONICS IFB RECEIVER R1A
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Wireless IFB (interruptible fold back) systems are used for talent cueing and crew communications in broadcast and motion picture production. In other cases, the IFB system is used by directors and other management to monitor program audio during a production. The IFB R1a receiver provides simplicity and flexibility in a package that is intuitive for untrained users to operate. The receiver is housed in a rugged machined aluminum package. An optional spring-loaded belt clip (shown at right) provides a secure mounting on a wide variety of belts, pockets and fabrics. The belt clip is removable to reduce its size and allow mounting into other types of bags and belt worn mounting systems common in field production.
FEATURES:
Preset frequency can be set without power or transmitter signal
Scan mode stores up to five additional frequencies
Multi-color LED and rotary control for programming and operation
High sensitivity for extended operating range indoors or outdoors
Rugged machined aluminum housing
Attached battery door
8 hours battery life (alkaline)
20 hours battery life (lithium)
256 frequencies in 100 kHz increments
Microprocessor controlled
Pilot tone squelch
Compandor noise reduction
Specifications
Operating frequencies:
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, 614.100 – 614.300
Block 24 614.400 – 639.900
Block 25 640.000 – 665.500
Block 26 665.600 – 691.100
Block 27 691.200 – 716.700 (export only)
Block 28 716.800 – 742.300 (export only)
Block 29 742.400 – 767.900 (export only)
Block 30 768.000 – 793.500
Block 31 793.600 – 819.100
Block 32 819.200 – 844.700
Block 33 844.800 – 861.900
Number of frequencies: 256 per block (block 33, has 172 frequencies only)
Channel spacing: 100 kHz
Frequency control: Crystal Controlled Phase Locked Loop
Sensitivity: 1 uv (20 dB SINAD)
Signal/Noise ratio: 95 dB A-weighted
Squelch quieting: 90 dB
AM rejection: 50 dB, 10 uv to 100 mv
Modulation acceptance: ?20 kHz
Spurious rejection: Greater than 70 dB
Third order intercept: 0 dBm
Frequency response: 100 Hz to 10 kHz, (?1db)
Pilot tone: 29.997 kHz, 4.5 kHz deviation (fixed crystal controlled)
Audio output, headphone: 1 Vrms into 50 ohms minimum
Antenna: Headphone cable
Programmable memory: 5 frequencies
Front panel controls: Single knob controls Audio Output Level, Power on, programming and Scan Frequency Selection
Indicators: 1 tricolor LED Indicator for power on, blinks to indicate channel number, blinks fast during scan, and turns yellow or red for low battery.
Power requirement: Single 9V Alkaline Battery for approximately 8 hours operation
Power consumption: 60 ma.
Allen wrench for knob: 0.035″ (Lectro part number: 35854)
SIZE:
3.6″ x 2.4″ x 0.8″
91.4 x 60.9 x 20.3 mm
WEIGHT:
With Battery: 0.46 lb (0.2 kg)
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