Lectrosonics Digital Hybrid Transmitter, 50 mW Output power, 75 mHz tuning bandwidth, Frequency Block A1 (470.100 - 537.575 MHz).

The design of the LMb transmitter delivers the advanced technology and features of Digital Hybrid Wireless® in a Lectrosonics belt-pack transmitter at a modest cost. Digital Hybrid Wireless® combines a 24-bit digital audio chain with an analog FM radio link to eliminate a compandor and its artifacts, yet preserve the extended operating range and noise rejection of the finest analog wireless systems. Along with providing peerless audio quality with wide frequency response and dynamic range in Nu Hybrid mode, the technology used in the LMb includes compatibility modes for Lectrosonics Mode 3 and IFB receivers. The housing is a rugged, machined aluminum package with removable, stainless steel wire belt clip. The input jack is a standard Lectrosonics 5-pin type for use with electret lavaliere mics, dynamic mics, musical instrument pickups and line level signals. The LEDs on the top panel allow quick and accurate level settings without having to view the receiver. The unit is powered by two AA batteries. The antenna is a super-rugged, permanently attached 1/4 wavelength design made of flexible galvanized steel cable. The switching power supplies in the LMb provide constant voltages to the transmitter circuits from the beginning to the end of battery life, with output power remaining constant over the life of the battery. The input amplifier uses an ultra low noise op amp for quiet operation. Input gain is adjustable over a 44 dB range, with a DSP -controlled dual envelope input limiter to cleanly handle signal peaks over 30 dB above full modulation.