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Lectrosonics L Series LT Beltpack Transmitter - Digital Hybrid Wireless, Wide Band

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Your Price: $1,394.00
List Price: $1,907.00

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Sales SKU: LECLT-A1|LECLT-B1
Product Code: LT-A1 | LT-B1

The Lectrosonics L Series line of wireless microphones also comes packaged as a system: LR / LMb or LR / LT. Please select frequencies when ordering.


The Lectrosonics LT Beltpack Transmitter is the latest successor to the line of economical beltpack transmitters designed for applications including theater, house of worship, TV, ENG, video and film production.

The ultra-compact LT Transmitter is part of the L Series or "Large Bandwidth" line of wireless microphones. The other two components of the series are the LMb Beltpack Transmitter and the LR Receiver. All three units share a wide tuning range of three standard Lectrosonics blocks, or 67.5 to 76.7 MHz, depending on the specific frequency band, and employ Lectrosonics' patented Digital Hybrid Wireless technology for compandor-free audio along with compatibility modes for inter-operability with older analog systems.

The LT transmitter offers a full set of professional features in a compact, rugged package. The unit is compatible with all Digital Hybrid Wireless receivers and even some from other manufacturers, making it comfortable in a wide variety of applications.

The LT 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, yielding a total of up to 3,072 available frequencies across three standard frequency blocks.* An IR port on the membrane panel enables automatic setup when coupled with an IR enabled receiver. A USB port on the side panel allows firmware updates to be made easily.

The servo bias input accepts mic or line level signals with a wide range of gain adjustment in 1 dB steps. A menu selectable instrument level input is available on the LCD. Accurate LED indications on the top panel and a bar graph indicator on the LCD allow precise gain adjustments to be made for the maximum signal to noise ratio and minimum distortion.

The limiter in the preamp can cleanly handle signal peaks over 30 dB above full modulation, allowing the input gain to be set high enough to achieve the maximum signal to noise ratio with no risk of overload distortion.

The unit is powered by two AA batteries or an optional battery eliminator that replaces the hinged battery door. A wire and a spring loaded belt are available.

The housing is machined from a solid aluminum billet, finished with an ultra hard, black electroless nickel finish called ebENi.

Lectrosonics LT Transmitter - Features:

  • Covers three standard frequency blocks
  • Digital Hybrid Wireless compandor-free audio
  • Selectable 50 or 100mW output power
  • Compatibility modes for use with analog receivers
  • 25 or 100 kHz tuning steps for up to 3072 selectable frequencies
  • Integrated multifunction switch for mute or talkback modes
  • Wide range input gain control in 1 dB steps
  • IR port for setup with IR enabled receivers
  • USB port for firmware updates
  • Menu selectable microphone or instrument input
  • Optional battery eliminator
  • Detachable antenna

CONSUMER ALERT: This particular wireless microphone device operates in portions of the 617-652 MHz or 663-698 MHz frequencies. Beginning in 2017, these frequencies are being transitioned by the Federal Communications Commission (FCC) to the 600 MHz service to meet increasing demand for wireless broadband services. Users of this device must cease operating on these frequencies no later than July 13, 2020. In addition, users of this device may be required to cease operations earlier than that date if their operations could cause harmful interference to a 600 MHz service licensee’s wireless operations on these frequencies. For more information, visit the FCC's wireless microphone website or call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC).

*Total available frequencies varies slightly by block.

  • Operating Frequencies (MHz):
    • Block A1: 470.1 to 537.575
    • Block B1: 537.6 to 614.375
  • Frequency Selection Steps: Selectable, 100 kHz or 25 kHz
  • RF Power output: Selectable, 50 or 100 mW
  • Pilot Tone: 5 to 32 kHz; 5 kHz deviation (Digital Hybrid mode)
  • Frequency Stability: ± 0.002 %
  • Deviation: ± 50 kHz max. (Digital Hybrid mode)
  • Spurious Radiation: 60 dB below carrier
  • Equivalent Input Noise: -120 dBV (A-weighted)
  • Input Level:
    • Mic: Nominal 2 mV to 300 mV, before limiting. Greater than 1V maximum, with limiting.
    • Instrument: 1M Ω high level
  • Input Impedance: 2K Ω
  • 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
  • ​Audio Performance, Digital Hybrid Wireless Mode Only:
    • Frequency Response: 90 to 20 kHz ± 1 dB
    • Low Frequency Roll-Off: -12 db/octave; 70 Hz
    • THD: 0.2% (typical)
  • Signal to Noise Ratio @ Receiver Output:
    SmartNR No Limiting With Limiting
    OFF 103.5 108
    NORMAL 107 111.5
    FULL 108.5 113
    Note: The dual envelope "soft" limiter provides exceptionally 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.
  • 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: Switchcraft 5-pin locking (TA5F)
  • Antenna: Galvanized steel, flexible wire
  • Battery:
    • Types: (2) AA alkaline, lithium, NiMH rechargeable
    • Life: Duracell Quantum, 4.75 hours; Eneloop 2400 mAH NiMH, 6 hours
  • Emission Designator: 180KF3E
  • Dimensions (H x W x D): 2.85 x 2.45 x .75 in | 72 x 62 x 19 mm
  • Weight: 5.9 oz | 169 g, with AA alkaline batteries

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