Lectrosonics DBu-LEMO Digital Belt-Pack Transmitter

For lavalier mics fitted with a 3-pin LEMO plug, the Lectrosonics DBu-LEMO is a digital belt-pack transmitter with the same input and wiring as the SSM micro transmitter.

It tunes from 470.100 to 607.950 MHz in 25 kHz steps, with coarse and fine tuning, and puts out 10, 25, or 50 mW of RF power. AES 256-CTR encryption protects the signal.

Input settings cover any lavalier mic, dynamic mics, and line-level sources. Input gain adjusts over 44 dB in 1 dB steps to match the source exactly, and a DSP-controlled limiter with a 30 dB range handles peaks. Two bicolor LEDs on the top panel show the audio level from -20 dB to the onset of limiting.

The top panel also holds the antenna jack, the LEMO input jack, and a programmable switch that can be set to work as a mute switch, a power switch, or neither. Setup runs through a backlit LCD and membrane switches. Firmware updates go through the side-panel USB port with a standard micro USB cable.

The housing is solid machined aluminum with a hard black electroless nickel finish, the same size and shape as the DBu, so the DBu’s accessories fit. The hinged aluminum battery door latches securely and stays shut even if the transmitter is dropped. A stainless spring wire belt clip comes with it, and a spring-loaded clip is an option. Moisture, including sweat, damages the transmitter, so keep it in a plastic bag or other protection.

Features

• 3-pin LEMO input for small lavalier mics
• Tunes 470.100 to 607.950 MHz in 25 kHz steps
• AES 256-CTR encryption
• 10, 25, or 50 mW RF power
• 44 dB input gain range with a DSP-controlled limiter
• USB port for firmware updates
• Runs on two AA batteries
• Machined aluminum housing