Lectrosonics DBA-LECTRO Belt Pack Transmitter
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Lectrosonics DBA-LECTRO Belt Pack Transmitter

Digital Belt Pack Transmitter


The DBa transmitter is a second 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 470.100 to 691.175 MHz, with an output power of 50 mW. The pure digital architecture enables AES 256-CTR encryption for high level security applications. 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.

Main Features:
• Tunes across entire UHF frequency range
• 256-bit encryption - AES 256-CTR
• 50 mW output power for extended range
• USB port for firmware updates
• Wide range input gain adjustment
• DSP-controlled input limiter
• Two AA battery power
• Solid machined aluminum housing

• Operating Frequencies: 470.100 - 691.175
• Frequency Selection Steps: 25 kHz
• RF Power output: 50 mW
• Frequency Stability: ± 0.002%
• Digital Modulation: 8 PSK
• Spurious radiation: >90 dB below carrier
• Equivalent input noise: –128 dBV
• 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: Dual envelope type; 30 dB range
• Gain control range: 44 dB in 1 dB steps; digital control
Modulation indicators:
 • Dual bicolor LEDs indicate modulation of -20, -10, 0 and +10 dB referenced to full modulation
 • LCD bar graph
 • Top 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 Jack: Switchcraft 5-pin locking (TA5F)
• Antenna: Galvanized steel, flexible wire
• Battery: Two AA Duracell Quantum recommended
• Battery Life: 4.5 hours; Duracell Quantum alkaline
• Weight: 6.24 ounces (177 grams), including two AA batteries and wire belt clip
• Dimensions: 3.2 x 2.5 x .74 in. (86 x 62 x 19 mm)
• Emission Designator: 200KG1E

List Price: $2,150.00
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