The IFBR1a-VHF from Lectrosonics is a multi-frequency wireless beltpack IFB (Interruptible Fold Back) receiver that can be used for talent cueing and crew communication in broadcast and motion picture production. In addition, the IFB receiver provides simplicity and flexibility in a package that is intuitive for untrained users to operate.
| Manufacturer Part # | IFBR1A-VHF |
|---|---|
| Brand | Lectrosonics |
| Operating Frequency | 174.100 to 215.750 MHz |
| Channel Frequencies | 239 |
| Channel Spacing | 175 kHz |
| Frequency Control | Crystal controlled phase locked loop |
| Sensitivity | 1 uv (20 dB SINAD) |
| Signal to Noise | 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, (±1 dB) |
| Pilot Tone | 29.997 kHz, 4.5 kHz deviation (fixed crystal controlled) |
| Headphone Out | Audio: 1 Vrms into 50 ohms minimum |
| Antenna | Headphone cable |
| Programmable Memory | 5 frequencies |
| Front Controls | Single knob controls Audio Output Level, Power On, Programming, and Scan Frequency selection |
| LED Indicators | Tricolor LED for power on, blinks indicating channel number, blinks fast during scan, and turns yellow or red for low battery |
| Power Requirements | Single 9 V alkaline battery for approximately 8 hours operation Single 9 V lithium battery for approximately 20 hours operation |
| Power Consumption | 60 mA |
| Dimensions (L x W x H) | 3.6 x 2.4 x 0.8" (9.1 x 6.1 x 2.0) |
| Weight | 7.3 oz (207 g) with battery |
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