- Stores up to 10 frequency presets in memory
- LCD interface for programming and operation
- High sensitivity for extended operating range indoors or outdoors
- USB port for firmware updates
- Compact, rugged machined aluminum housing
- Attached battery door
- 8+ hours battery life with removable LB-50 Li-ion
- Dock chargeable with optional CHSIFBR1B
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Lectrosonics IFBR1b Beltpack receiver Band A1 freq 470-537MHz (uses the IFBT4-470, 19, 20) Includes LB-50 Battery and 40107 single charger.
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 IFBR1B receiver provides simplicity and flexibility in a package that is intuitive for untrained users to operate. Despite its tiny size, the new IFBR1B receiver offers excellent performance on par with all of Lectrosonics’ IFB products.
The IFBR1B is housed in a rugged aluminum package. A wire beltclip is included and provides a secure mounting on a wide variety of belts, pockets and fabrics. An optional “clamp style” spring-loaded belt clip is also available: the IFBR1BBCSL. The IFBR1B is powered for over 8 hours by a removeable, rechargeable LB-50 lithium ion battery.
| Frequency Selection Steps | 25 kHz or 100 kHz, Selectable |
| Frequency Bands | A1: 470.100 to 537.575 MHz |
| Signal to Noise Ratio | 95 dB (A Weighted) |
| Squelch Quieting | 90 dB |
| AM Rejection | 50 dB, 10 uV to 100 mV |
| Modulation Acceptance | ±20 kHz |
| Spurious Rejection | > 70 dB |
| Third Order Intercept | 0 dBm |
| Frequency Response | 100 Hz to 10 kHz (±1 dB) |
| Audio Output | 1 V RMS into 50 Ohms Minimum |
| Antenna | Headphone Cable |
| Minimum Headphone Impedance | 16 Ohms |
| Programmable Memory | 10 Frequencies Stored as Presets |
| Controls | Top Panel: Single Knob Controls Audio Output Level and Power On Side Panel: Membrane Switches with LCD Interface for Frequency Selection and Preset Function |
| Indicators | Multicolor LED Indicator for Power On and Battery Status |
| Battery | LB-50 Li-Ion (Included) 3.6 V, 1000 mAH |
| Battery Life | 8 Hours per Charge |
| Current Consumption | 120 mA |
| Dimensions | 2.8 x 2.4 x 0.8" / 71.1 x 61 x 20.3 mm |
| Weight | 3.4 oz / 96.4 g (with Battery and Belt Clip) |