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LECT-IFBT4944Availability:
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Description
The Lectrosonics IFBT4 UHF transmitter was designed for use in broadcast, motion picture, theater, and stage applications where extended operating range and high quality audio are essential. The IFBT4 can be used as a stand-alone device or patched dire Read MoreRetail Price: $1,750.00 Our Price: $1,267.00
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Description
The Lectrosonics IFBT4 UHF transmitter was designed for use in broadcast, motion picture, theater, and stage applications where extended operating range and high quality audio are essential. The IFBT4 can be used as a stand-alone device or patched dire
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Product Specs
Operating Frequencies (MHz) | Block 470: 470.100 - 495.600 Block 19:Ê 486.400 - 511.900 Block 20:Ê 512.000 - 537.500 Block 21:Ê 537.600 - 563.100 Block 22:Ê 563.200 - 588.700 Block 23:Ê 588.800 - 607.900/614.100 - 614.300 Block 24:Ê 614.400 - 639.900 Block 25:Ê 640.000 - 665.500 Block 26:Ê 665.600 - 691.100 Block 944: 944.100 - 951.900 |
Frequencies (Channels per block) | 256 |
Channel Spacing | 100 kHz (0.1 MHz) |
RF Power Output | 250 mW |
Spurious & Harmonic Suppression | 37 dBc above 1 GHz |
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 (6) | Digital Hybrid Wireless(tm) (400 Series), 100 Series, 200 Series, Mode 3, Mode 6, and IFB |
Pilot Tone | 29.997 kHz IFB & 100 MODE, 32.765kHz 200 MODE, 400 MODE step selected |
Modulation | FM, ±20 kHz deviation IFB & 100 MODE, ±75kHz 200 & 400 MODE |
Audio Frequency Response | 100 Hz to 8 kHz, ±1 dB, IFB MODE system response 30Hz to 20kHz ±1dB , 200 & 400 MODE system response |
Rolloff | Low frequency audio rolloff is Menu selectable for 3 dB down at 35 Hz or 50 Hz. |
Signal to Noise Ratio | 90 dB typical ("A" weighted) |
Audio Compressor | 2 to 1 IFB, 100, and 200 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 Configuration | Balanced and Unbalanced, rear panel selectable for Line, Mic. RTS 1, RTS 2, and Clear Com |
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, rolloff, audio level, and tuning groups |
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 |
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