Definitive Audio Td 100 Mh

A UHF Platform Designed for Stability and Frequency Compatibility

This system relies on UHF transmission and a PLL phase-locked frequency synthesis circuit, a choice appreciated for its stability in real conditions (temperature variations, long performances, RF crowded environments). The design with frequency groups (several predefined groups) helps to quickly find a suitable configuration for your area of use. The tuning bandwidth can reach 50 MHz, with up to 2000 switchable frequencies (depending on the region), facilitating coexistence with other wireless systems.

Who Is This Wireless Microphone Most Suitable For and In Which Applications?

This handheld microphone is intended for singers, hosts, speakers, and technical teams looking for a versatile UHF system for stage, mobile sound reinforcement, places of worship, or multipurpose rooms. The cardioid capsule favors forward vocal pickup while limiting some sounds coming from the rear, which can help improve clarity and better control feedback depending on the setup.

The stated range is 60 m in linear distance. As with any RF system, the actual range strongly depends on the environment (absorption, reflection, RF interference), antenna positioning, and signal density.

Key Features: Control, Display, and RF Management

True Diversity and Integrated Antenna Distribution

True Diversity reception uses two antennas to improve signal continuity by selecting the best available reception. The system also includes an antenna distribution feature aimed at reducing interference caused by mutual radiation, which is useful when the RF environment becomes more demanding.

Infrared ACT: Fast Synchronization

The ACT function enables wireless synchronization of the transmitter via an infrared interface. This approach speeds up setup, especially during stage changes, speaker rotations, or when multiple frequencies need to be managed quickly.

Color Screens and Readability in Use

The system features a color LCD screen on the receiver side and a color LCD screen on the microphone. The background color is adjustable, and the transmitter display can be aligned with that of the receiver. A set of displays is provided via 1 main control + 4 sub-channels with color LCD for function visualization.

Audio: Equalization and Frequency Response

An integrated 7-band adjustable equalizer processor allows fine-tuning of the sound according to the voice, sound system, and venue (reducing resonance, improving intelligibility, adjusting low-mid frequencies). The system's frequency response is specified from 50 Hz to 16 kHz with a flat response, and the receiver displays an integrated frequency response of 50 Hz to 18 kHz (+/-3 dB).

Technical specifications

Category	Complete system	Capsule	dynamic
Directivity	cardioid

Type	UHF True Diversity handheld microphone	Integrated frequency response	50 Hz to 18 kHz (+/-3 dB)
Frequency band	UHF 580 - 608 MHz	Integrated THD	< 0.5% at 1 kHz
Circuit	PLL phase-locked frequency synthesis	Display	LCD + LED
RF characteristics	stable operation, low harmonic radiation	Chassis	1U half-rack
Frequency groups	several predefined groups compatible with usage frequency	Dimensions	205 (W) x 46 (H) x 160 (D) mm
Tuning bandwidth	up to 50 MHz	Weight	1.70 kg
Number of switchable frequencies	up to 2000 (depending on region)	Integrated antenna distribution system	reduces mutual radiation interference
Equalization	7-band adjustable equalizer processor	Antennas	2 separate antennas for improved reception
Synchronization	ACT function via infrared interface	Antenna mounts	2
Declared frequency response (system)	50 Hz to 16 kHz, flat response	Output	1 balanced XLR output
Reception channel	single channel	Accessories	rack ears supplied
Oscillation mode	PLL phase-locked frequency synthesis	Pickup gain	fixed gain
Modulation mode	FM modulation	Transmission power	up to 30 mW (depending on region)
RF sensitivity	6 dBuV input, S/N > 80 dB	Maximum transmission power	13 dBm (depending on region)
Operating range	60 m linear distance (actual range depends on RF environment)	Current consumption	< 130 mA
Mute control mode	audio code and noise lock