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Lectrosonics, Inc. - DBu
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24bit/48kHz Digital Conversion Belt-pack Transmitter

Model: DBu
  • 24bit/48kHz digital conversion
  • Tunes across entire UHF frequency range
  • 256bit encryption - AES 256-CTR
  • Selectable RF power at 25 and 50mW
  • USB port for firmware updates
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The DBu transmitter is a 4th generation design with specially developed, high-efficiency 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 to 608MHz (470-614MHz for export versions), with a selectable output power of 25 or 50mW. The pure digital architecture enables AES 256-CTR encryption for high-level security applications.

The top panel contains the antenna jack, audio input level LEDs, the programmable function switch and the audio input jack. The LEDs provide red/green indications of the audio level from -20dB 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, talkback, or be bypassed.

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 1dB steps to allow an exact match to the input signal level, maximizing the dynamic range and signal to noise ratio.

  • 24bit/48kHz digital conversion
  • Tunes across entire UHF frequency range
  • 256bit encryption - AES 256-CTR
  • Selectable RF power at 25 and 50mW
  • USB port for firmware updates
  • Wide range input gain adjustment
  • DSP-controlled input limiter
  • Two AA battery power
  • Solid machined aluminum housing
 
 

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