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Lectrosonics DBu-LEMO - Digital Encrypted Belt Pack Transmitter

 
  • Dale #:

    LECT-DBULEMO
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    Not in Stock - Reserve Yours
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Description

The DBu-LEMO transmitter is a second generation design with specially developed, highly efficient digital circuitry for extended operating time on two AA batteries. The transmitter can tune in coarse or fine steps across the UHF television band from 470.100 to 607.950 MHz (E01: 470.100 - 614.375 ... Read More

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Description

The DBu-LEMO transmitter is a second generation design with specially developed, highly efficient digital circuitry for extended operating time on two AA batteries. The transmitter can tune in coarse or fine steps across the UHF television band from 470.100 to 607.950 MHz (E01: 470.100 - 614.375 MHz), with a selectable output power of 25 or 50 mW. The pure digital architecture enables AES 256-CTR encryption for high level security applications.

Features:

  • LEMO connector for small microphones
  • Tunes across entire UHF frequency range
  • 256-bit encryption - AES 256-CTR
  • Selectable RF power at 25 and 50 mW
  • USB port for firmware updates
  • Wide range input gain adjustment
  • DSP-controlled input limiter
  • Two AA battery power
  • Solid machined aluminum housing

Studio quality audio performance is assured by high quality components in the preamp, wide range input gain adjustment and DSP-controlled limiting. Input connections and settings are included for any lavaliere microphone, dynamic microphones and line level inputs. Input gain is adjustable over a 44 dB range in 1 dB steps to allow an exact match to the input signal level, maximizing the dynamic range and signal to noise ratio.

The transmitter is supplied with a stainless, spring wire belt clip that is secure, but easily detached and re-attached without tools. A spring-loaded belt clip is available as an option. The battery door is machined aluminum, hinged to the housing to prevent it being lost. The batterydoor latches securely to prevent being opened inadvertently, and will not pop open even if the unit is dropped.

Firmware updates are made via the USB port on the side panel of the housing. The procedure is very simple using a menu item on the transmitter and a standard micro USB cable.

Setup and adjustment is enabled through a backlit LCD, membrane switches and an intuitive menu structure. Input gain is adjustable over a wide range in 1 dB steps to optimize modulation and limiting for maximum signal to noise ratio and mimimum distortion.

The top panel contains the antenna jack, audio input level LEDs, programmable function switch and LEMO audio input jack. The LEDs provide red/green indications of the audio level from -20 dB to the onset of limiting to enable accurate input gain adjustment. The programmable switch can be configured as a mute switch, a power on/off switch, or be bypassed.

The housing is constructed of solid machined aluminum for lasting ruggedness. The exterior is finished with an ultra hard, black electroless nickel finish.

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Product Specs

Operating FrequenciesDBu-LEMO: 470.100 - 607.950 MHz
DBu-LEMO/E01: 470.100 - 614.375 MHz
Frequency
Selection Steps25 kHz
RF Power outputSelectable; 25 or 50 mW
Frequency Stability± 0.002%
Digital Modulation8PSK
Equivalent input noise-128 dBV
Input levelNominal 2 mV to 300 mV, before limiting
Greater than 1V maximum, with limiting.
Input impedanceMic 300 Ohm
Line 2k Ohm
Input limiterDual envelope type; 30 dB range
Gain control range44 dB in 1 dB steps; digital control
Modulation indicatorsDual bicolor LEDs indicate modulation of -20, -10, 0 and +10 dB referenced to full modulation
LCD bar graph
ControlsTop panel toggle switch; programmable as power, mute or none (off) function
Side panel membrane switches with LCD interface for power on/off and all setup and configuration controls
Audio Input JackLEMO 00 Series 3-pin
AntennaGalvanized steel, flexible wire
BatteryTwo AA Duracell Ultra recommended
Battery Life4.5 hours; Duracell Ultra alkaline
Weight6.24 ounces (177 grams), including two AA batteries and wire belt clip
Dimensions3.2 x 2.5 x .74 in. (86 x 62 x 19 mm)
Emission Designator170KG1E

Specifications subject to change without notice.

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