RENT Lectrosonics IFBT4-20 IFB Transmitter (Frequency Block 20) and IFBR1 Receiver Kit

Lectrosonics IFBT4-20 IFB Transmitter (Frequency Block 20) and IFBR1 Receiver Kit

Rental Includes:

• (1) IFBT4 Transmitter w/ antenna, XLR input
• (2) IFB-R1a Beltpack Receivers w/ cases
• (2) Clear earpieces
• (2) Eartips
• (1) AC adapter

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Lectrosonics IFBT4-20 IFB Transmitter (Frequency Block 20) and IFBR1 Receiver Kit

Lectrosonics IFBT4-20 IFB Transmitter (Frequency Block 20) and IFBR1 Receiver Kit

Lectrosonics IFBT4-20 IFB Transmitter (Frequency Block 20)

The IFBT4 from Lectrosonics is a high-quality IFB transmitter designed for applications where long operating range and great audio quality are needed, such as broadcasting, film, and theater. The sleek, simple box can be used as a stand-alone unit, or patched into other widely-used intercom systems. The single XLR input connector is accompanied by four DIP-switches for selecting a mic, line, Clear Com, RTS1, or RTS2 audio source.

The Digital Hybrid Wireless technology allows the system to overcome channel noise by digital encoding and decoding audio in the transmitter and receiver, but sending the encoded signal over an analog FM signal. Due to the FM link being used, the system has all the benefits of traditional FM systems, including high range and resistance to interference, but thanks to the digital technology, the analog compander and artifacts are removed for greater audio quality.

The system is easy to use, featuring a menu-based, microprocessor-controlled system that is navigated with momentary buttons. The backlit LCD is bright and clear for easy reading. The casing is constructed from rugged aluminum to withstand the rigors of professional use, and it is small enough to use in any situation.

• Sleek, easy to use IFB transmitter with long range, terrific audio, and low distortion
• Digital Hybrid Wireless technology combines digital and analog technologies to reap the benefits of both
• Choose from 256 UHF frequencies in 100kHz steps
• Microprocessor-controlled with easy-to-use menu-based navigation
• Standard 3-pin XLR jack can accept mic, line, Clear Com, RTS1, and RTS2 signals
• Output power of 250mW for long range transmission, BNC antenna included
• Built-in mic preamp
• Pilot tone squelch control
• Frequency scrolling with Tx mute
• Easy-to-read LCD Display
• Compact and rugged aluminum housing

Lectrosonics IFB-R1a Receiver

The Lectrosonics IFB-R1a is a frequency-agile UHF wireless IFB beltpack monitoring receiver, housed in a durable slim-profile case, and capable of accessing 256 frequencies available from a selection of factory-programmed frequency blocks.

The IFB-R1a is equipped with an internal microprocessor, allowing for very reliable reception and a set of 5 programmable setup memories, a multi-function control button, and a tricolor LED indicator.

The IFB-R1a is designed for professional use in broadcast, motion picture, theater, and stage applications where extended operating range and audio clarity are essential.

• Frequency-agile UHF wireless beltpack receiver with 5-frequency programmable memory and dual high and low level frequency scan
• Frequency coverage in the 537.6 to 793.5MHz range (608 - 614MHz not included)
• Dual high and low level frequency scan with inverse low and high sensitivity search, prevents intermodulation and distortion
• 9 factory-available frequency blocks with 256 selectable frequencies per block and 0.1MHz channel spacing
• Crystal-controlled phase locked loop frequency control for reliable reception
• Microprocessor-controlled design of frequency selection, programming and audio level via multi-function control knob
• Tricolor LED indicator with power on, channel number, scan and low battery indication
• Two easy-access rotary hex switches for manual operating frequency setting
• Auto-sensing and control of mono headphone plug, accepts multiple headphone impedances
• Durable all-metal housing

Lectrosonics IFBT4-20 Specs
Operating Frequency	524.5 to 536.3MHz
Frequencies	256 Channels Per Block
Channel Spacing	100kHz
Spurious and Harmonic Suppression	37dBc Above 1GHz
Frequency Stability	±0.001% (10 ppm) @ 25°C
Temperature Stability	±0.001% (10 ppm) @ -30 to +50°C
Compatibility Modes	IFB, Digital Hybrid Wireless (400 Series), 100 Series, 200 Series, Mode 3, Mode 6
Pilot Tone	29.997kHz IFB Mode, 32.765kHz 200 Mode, 400 Mode Step Selected, 32.768kHz Mode 6
Modulation	FM, ±20kHz Deviation IFB & 100 Mode, ±75kHz 200 & 400 Mode, ±50kHz Mode 3 and Mode 6
Audio Frequency Response	100Hz - 8kHz, ±1dB IFB Mode 30Hz - 20kHz, ±1dB 200 & 400 Mode
Low Frequency Roll-Off	3dB Down @ 35 or 50Hz, Menu Selectable
Signal to Noise Ratio	90dB Typical, A-Weighted
RF Power Output	250mW, Nominal
Output Impedance	50 Ohms
Audio Input Level	Line, RTS1, RTS2: 0dBu Clear Com: -10dBu Mic Dry Inputs: -42dBu
Audio Input Impedance	Balanced: Greater than 2 kOhms Unbalanced: Greater than 1 kOhm
Gain	-18 to +24dB, Software Selectable
Connectors	1 x XLR Input Connector 1 x BNC Antenna Connector 1 x DC Power Input
Controls and Indicators	4 x Mode Switches (For Selecting Type of Input Source) 1 x Menu Button 2 x Select Buttons (Up/Down) 1 x Off/Tune/Xmit Switch 1 x Backlit LCD Display
Power	12-14VDC, Typical, 200mA Max
Dimensions (LxWxH)	5.25 x 3.25 x 1.25" (133 x 83 x 32mm)
Weight	9 oz (255g)
Lectrosonics IFB-R1a Receiver Specs
Transmitter Type	Not Applicable
Receiver Type	FM Modulation with Crystal-Controlled Phase Locked Loop
RF Frequency Range	537.6 - 608MHz 614 - 793.5MHz
Transmit Power	Not Applicable
Microphone Input	No
Antenna Type	Headphone Cable
Signal-to-Noise Ratio	95dB, A-weighted
Local Headset Output	1Vrms into 50 Ohms, min.
Frequency Response	100Hz - 10kHz, +/-1dB
Power Requirements	1 x AA
Battery Life	8 hrs.
Dimensions	3.6 x 2.4 x 0.8" (91.4 x 61 x 20.3mm)
Weight	7.3 oz (207g)