Lectrosonics L-Series LMb Bodypack Wireless Transmitter (B1: 537 to 614 MHz)

BH #LELMBB1 • MFR #LMB-B1
Lectrosonics
Lectrosonics L-Series LMb Bodypack Wireless Transmitter (B1: 537 to 614 MHz)
Key Features
  • For Broadcast, EFP and ENG Applications
  • 75 MHz Tuning Range
  • Digital Hybrid Wireless
  • 50 mW RF Power
The LMb from Lectrosonics is a digital hybrid wireless bodypack transmitter with 75 MHz tuning bandwidth and 50 mW RF power. When paired with a mic and receiver, it can be used to capture audio for applications such as broadcast TV, theater, houses of worship, live stage, and more.
In Stock
$849.00
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Lectrosonics LMB Overview

The LMb from Lectrosonics is a digital hybrid wireless bodypack transmitter with 75 MHz tuning bandwidth and 50 mW RF power. When paired with a mic and receiver, it can be used to capture audio for applications such as broadcast TV, theater, houses of worship, live stage, and more.

The LMb has several other features to help you obtain good clear audio, such as 25 or 100 kHz tuning steps, a compatibility mode to ensure analog receivers will work well with the transmitter, a microphone input allowing you to use mic or line level inputs. When combined with the optional MI39-type instrument interface cable (sold separately), the LMb transmitter can be used as a musical instrument transmitter for guitar, bass or portable keyboard.

In addition, the durable LMb transmitter is enclosed in machined-aluminum housing and is built with a fixed antenna. A multi-function toggle switch allows audio muting, power on/off, or talkback (when used with the SRb or Venue receivers). A LCD and membrane switch interface make the LMb transmitter easy to setup and simple to use. This transmitter operates on the B1 channel between 537.600 to 614.375 MHz.

Lectrosonics LMB Specs

ChannelB1
Frequency Range537.600 to 614.375 MHz
Frequency SelectionSteps: Selectable 25 or 100 kHz
RF Power Output50 mW
Pilot Tone25 to 32 kHz, 5 kHz deviation (Digital Hybrid mode)
Frequency Stability± 0.002%
Deviation± 75 kHz max. (Digital Hybrid mode)
Spurious Radiation60 dB below carrier
Equivalent Input Noise-120 dBV (A-weighted)
Input LevelNominal 2 mV to 300 mV, before limiting
Greater than 1 V maximum, with limiting
Input Impedance2 kOhms
Input LimiterDSP controlled, dual envelope "soft" limiter with greater than 30 dB range
Gain Control Range44 dB, digital control
Modulation IndicatorsDual bicolor LEDs indicate modulation of -20, -10, 0 and +10 dB referenced to full modulation
LCD bar graph
Audio Performance
Frequency Response90 Hz to 20 kHz (+/-1 dB)
Low Frequency Roll-Off-12 dB/octave, 70 Hz
THD0.2% (typical)
SNR at Receiver OutputSmartNR: 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 ControlsTop 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 Jack1x Switchcraft 5-pin locking (TA5F)
AntennaGalvanized steel, flexible wire
Battery2x AA alkaline, lithium, NiMh rechargeable
Battery LifeAlkaline: 4.5 hours
Duracell Quantum: 7 hours
Eneloop 2400 mAH NiMH: 8 hours
Dimensions (L x W x H)3.2 x 2.4 x .8" (81 x 61 x 20 mm)
Weight5 oz (141 g), including lithium AA batteries and wire belt clip
Packaging Info
Package Weight0.855 lb
Box Dimensions (LxWxH)13.35 x 5.55 x 3.45"
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