Electro-Voice HTU-2 User Manual

Preliminary Users Manual, Electro-Voice Model HTU-2
Wireless Microphone Handheld Transmitter

The component above is part of a Electro-Voice/Telex Wireless Microphone
System. The transmitter is designed to be used in Live Sound Reinforcement
applications where Sound Quality and Reliability are of prime importance.
Simplicity of operation is assured along with flexibility for varying venues.
Operating features and cosmetics are slightly different between Electro-Voice
(Ev) and Telex models but both are electrically identical.

Features:

Handheld Transmitter…..

• 950 Radio Channels, user programmable or factory installed.

• Phase Locked Frequencies for Stable Operation.

• Efficient current drain vs. power system.

• Patented Internal Dipole antenna eliminates wires or “rubber duck”

Antennas.

• Specially shaped Handle for comfort and low handling noise.

• 9 Volt Alkaline battery operation.

• Low Profile Power Switch.

• LCD Display for ease of viewing.

• On-board frequency program and menu “Set”switch.

• Microphone Gain Control.

• Loc-Out control to prevent tampering or accidental changes.

• Permanent “Memory” for frequency/system storage.

• Transmit Tone for squelch control.

• Microphone Gain control for talent set-up.

• Low Battery Gauge. (read at the receiver).

Ev HTU-2/Telex HT-500 Page 2

Specifications:

Operating Frequency Range……………..518-608, 614-746 MHz,
in 24 MHz wide bands.
Frequency Stability……………………… 50 PPM. (18 PPM Euro).
Channels…………………………………950 (25 KHz steps).
RF Power Output…………………………30 mW (terminated).
Antenna……………………………………..1/2 Wave internal.
Modulation Type…………………………FM, 40 KHz Deviation.
Modulation Limiter…………………………Limiter/Compressor.
Audio Frequency Range………………….100-15000 Hz, +/- 2 db.
(actual frequency response depends on capsules/mic elements used).
Audio Frequency Distortion………………0.5 % THD @ 1000 Hz typical.
Audio Input…………………………………7.75 mV for 40 KHz Deviation.
Audio Frequency Dynamic Range………..100 db.
Audio Frequency Signal/Noise Ratio……..100 db.
Temperature Range………………………..-18 deg.C to 54 deg. C.
Power………………………………………..9.0 VDC (Alkaline).
Battery Life…………………8-10 hours typical (Alkaline).