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HomepageWirelessWireless Transmitters › Lectrosonics LMb (A1: 470.100 - 537.575 MHz, BLOCKS 470, 19, 20)
Lectrosonics LMb (A1: 470.100 - 537.575 MHz, BLOCKS 470, 19, 20)

The versatility of the LMb makes it at home in a wide variety of applications from video production to theater, stage and house of worship.

The LMb transmitter can be configured to operate as a "one touch" device with a single power on/off switch on the top panel, or with full access to all operational parameters using the side panel membrane switches and LCD interface. The top panel switch can also be configured to provide a mute or talkback function.

Frequencies are selectable in 100 kHz or 25 kHz steps across a maximum tuning range of 76.7 MHz. This yields a total of 3072 available frequencies across three standard frequency blocks. The tuning range varies in other blocks to meet applicable frequency allocations.
Features
  • Covers three standard frequency blocks
  • Digital Hybrid Wireless for compandor-free audio
  • 50 mW RF power
  • Compatibility modes for use with analog receivers
  • 25 or 100 kHz tuning steps for up to 3072 selectable frequencies
  • Integrated multi-function switch for mute or talkback modes
  • Wide range input gain control in 1 dB steps
  • Specifications
    Operating Frequencies: Band A1: 470.100 - 537.575
    Frequency Selection Steps: Selectable; 100 kHz or 25 kHz
    RF Power output: 50 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: Nominal 2 mV to 300 mV, before limiting Greater than 1V maximum, with limiting.

    Input impedance
    Mic: 300 Ohm
    Line: 2k Ohm

    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
    Controls: Top panel toggle switch; programmable as power, mute, talkback or none (off)function, Side panel membrane switches with LCD
    interface for power on/off and all setup and configuration controls
    Audio Input Jack: Switchcraft 5-pin locking (TA5F)
    Antenna: Galvanized steel, flexible wire
    Battery: Two AA; alkaline, lithium, NiMH rechargeable

    Battery Life
    Alkaline: 4.5 hours
    Duracell Quantum: 7 hours
    Eneloop 2400 mAH NiMH: 8 hours; new batteries fully charged

    Weight: 5.8 ounces (141 grams), including lithium AA batteries and wire belt clip
    Dimensions: 3.2 x 2.4 x .9 in. (81 x 61 x 20 mm)
    Reviews
    Price
    $1548.00
    $1106.00
    Free shipping in Canada. Conditions
    Additional information
    For more information about the LMb (A1: 470.100 - 537.575 MHz, BLOCKS 470, 19, 20), please visit the website of Lectrosonics
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