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Lectrosonics IFBT4-VHF

$1361.00

Save 29.4%, MSRP $1928.00
Free shipping in Canada. Conditions

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 IFBR1a-VHF receiver provides simplicity and flexibility in a package that is intuitive for untrained users to operate.

The default frequency of the receiver is set by two rotary switches on the side panel. Up to five additional frequencies can also be programmed into the receiver memory using the scan mode. If more than one frequency is stored in the receiver, the operator can scroll through all stored frequencies by simply pressing the volume knob.

Features

  • Digital Hybrid Wireless® technology*Microprocessor controlled operation
  • 50 mW power output for long range use
  • Pilot tone squelch control
  • Multi-use XLR input jack
  • Built-in microphone preamp
  • DIP switch programmable intercom input
  • Tx mute for frequency scrolling
  • Multi-function LCD display
  • Rugged machined aluminum construction
  • Specifications

    Operating Frequencies (MHz): 174.100 to 215.750 MHz
    Available Frequencies: 239
    Channel Spacing: 175 kHz
    RF Power Output: 50 mW
    Frequency Stability: ±.001% (10 ppm) @ 25° C
    Temperature Stability: ±.001% (10 ppm) from -30° C to +50° C
    Channel Selection: Momentary pushbutton switches, tune Up and Down

    Compatibility Modes (2)
  • IFB
  • Digital Hybrid Wireless (400 Series)

  • Pilot Tone: 29.997 kHz IFB & 400 MODE; each frequency has a unique pilot tone

    Modulation
  • IFB Mode: FM, ±20 kHz deviation
  • Digital Hybrid Mode: ±75kHz

  • Audio Frequency Response
  • IFB Mode: 100 Hz to 8 kHz, ±1 dB
  • Digital Hybrid Mode: 30Hz to 20kHz ±1dB response (see Rolloff)

  • Rolloff: Low frequency audio rolloff is menu selectable for 3 dB down at 35 Hz or 50 Hz.
    Audio Compressor: 2 to 1 (IFB mode)
    Output Impedance: 50 ohms

    Audio Input Levels
  • 0 dBu for Line, RTS1 & RTS2
  • -10 dBu for Clear Com
  • -42 dBu for mic dry inputs (no phantom power)
  • +/-50Vdc max

  • Audio Input Config: Balanced and Unbalanced, rear panel selectable for Line, Mic. RTS 1, RTS 2, and Clear Comm
    Audio Input Impedance: Greater than 2 K balanced, greater than 1 K unbalanced at any gain setting
    Gain Control Range: -18 dB to +24 dB (0 dB nominal center), Menu selectable
    Audio Input Jack: Standard XLR female connector
    Input Power: 12 to 14 VDC typical, 200 ma. max.; Max. Input Range 6 to 18 VDC
    Power Input Jack: Coax type, locking LZR RL26AE
    Indicators: Backlit Liquid Crystal Display. Displays modulation meter, frequencies, modes, roll-off and audio level

    Front panel controls
  • MENU momentary pushbutton switch
  • Power OFF-TUNE-XMIT, 3 position slide switch
  • Select Up momentary pushbutton switch
  • Select down momentary pushbutton switch

  • Rear panel controls: Input Mode Select, 4 section DIP switch
    Weight: 9 ozs.
    Size: 5.25" L (including connectors) x 3.25" W x 1.25" H
    Emission designator: 180KF3E
    Manufacturer Part Number : IFBT4-VHF

    Reviews

    $1361.00

    Save 29.4%, MSRP $1928.00
    Free shipping in Canada. Conditions
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