Lectrosonics : IFBR1A
Description
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.
Features
IFBR1A features include:
- 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
Specifications
| Transmitter Type | Not Applicable |
| Receiver Type | FM Modulation with Crystal-Controlled Phase Locked Loop |
| RF Frequency Range | 537.6 - 608MHz 614 - 793.5MHz 1 |
| 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 | 9V alkaline battery lasts about 8 hours 9V lithium battery lasts about 20 hours |
| Power Consumption | 60 mA |
| 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) |
Resources & Documents
| ifbr1a.pdf | Datasheet |