Lectrosonics LT Beltpack Transmitter (B1: 537.600 to 614.375 MHz
Model #LT-B1
Lectrosonics Warranty


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Specifications
Packaging Info
Box Dimensions (LxWxH) | 9.8 x 7.8 x 3.0" |
Package Weight | 1.05 lb |
General Information
Frequency Selection | Steps: Selectable 25 or 100 kHz |
RF Power Output | 50 or 100 mW |
Pilot Tone | 25 to 32 kHz, 5 kHz deviation (Digital Hybrid mode) |
Frequency Stability | ± 0.002% |
Deviation | ± 75 kHz max. (Digital Hybrid mode) |
Spurious Radiation | 60 dB below carrier |
Equivalent Input Noise | -120 dBV (A-weighted) |
Input Level | Mic: Nominal 2 to 300 mV, before limiting Greater than 1 V maximum, with limiting Instrument: 1 MOhm high level |
Input Impedance | 2 kOhms |
Input Limiter | DSP controlled, dual envelope "soft" limiter with greater than 30 dB range |
Gain Control Range | 44 dB, digital control |
Modulation Indicators | Dual bicolor LEDs indicate modulation of -20, -10, 0 and +10 dB referenced to full modulation LCD bar graph |
Channel | B1 |
Frequency Range | 537.600 to 614.375 MHz |
Audio Performance
THD | 0.2% (typical) |
SNR at Receiver Output | SmartNR: Off 103.5 (no limiting) 108.0 (with limiting) Normal: 107.0 (no limiting) 111.5 (with limiting) Full: 108.5 (no limiting) 113.0 (with limiting) Note: The dual envelope "soft" limiter provides good handling of transients using variable attack and release time constants. Once activated, the limiter compresses 30+ dB of transmitter input range into 4.5 dB of receiver output range, thus reducing the measured figure for SNR without limiting by 4.5 dB |
Switch Controls | Top panel slide switch; programmable as power, mute, talkback or no (off) function Side panel membrane switches with LCD interface for power on/off and all setup and configuration controls |
Audio Input Jack | 1x Switchcraft 5-pin locking (TA5F) |
Antenna | Galvanized steel, flexible wire |
Battery | 2x AA alkaline, lithium, NiMH rechargeable |
Battery Life | Duracell Quantum: 4.75 hours Eneloop 2400 mAH NiMH: 6 hours |
Additional Ports | USB on side panel for firmware updates |
Dimensions (L x W x H) | 2.85 x 2.45 x 0.75" (72 x 62 x 19 mm) |
Weight | 5.9 ounces (169 grams), with alkaline AA batteries |
Low Frequency Roll-Off | -12 dB/octave, 70 Hz |
Frequency Response | 90 Hz to 20 kHz (+/-1 dB) |
- For Broadcast, EFP and ENG Applications
- 75 MHz Tuning Range
- Digital Hybrid Wireless
- Selectable 50 or 100 mW Power
- Responds to Commands from Smartphone App
- Mic and Line Inputs
- Detachable Antenna
- LCD Backlit Screen
- Multi-Function Switch for Mute/Talkback
- Rugged Machined Aluminum
- Lectrosonics LT Beltpack Transmitter (B1: 537.600 to 614.375 MHz
- Limited 1-Year Warranty