Lectrosonics HMA Tx

Digital Hybrid Wireless® UHF Plug-On Transmitter

This unique plug-on transmitter design will ideally match any microphone or line level source via a standard XLR connector. Phantom power is selectable at 5, 15 and 48 volts, or can be turned off for use with dynamic microphones and line level signal sources.

The design includes a wide tuning range of up to 76 MHz, with tuning steps in increments of 100 kHz or 25 kHz, (19 MHz for block 941 version, for 695 frequencies).

Along with providing peerless audio quality with wide frequency response and dynamic range in Nu Hybrid mode, the technology used in the HMa includes compatibility modes for Lectrosonics Mode 3 and IFB receivers.

Accepts audio from any microphone or audio source with an XLR connector
Selectable 5, 15, 48 volt phantom power
76 MHz tuning range in 100 kHz or 25 kHz steps for up to 3072 frequencies
(941 band offers 695 frequencies over 19 MHz tuning range with 25 kHz steps)
Selectable 50/100 mW output power
Adjustable low frequency roll-off
Powered by two AA batteries
USB port for firmware updates
IR (infrared) port for fast setup
Solid machined aluminum housing

undefined	Description
OPERATING FREQ	Band A1: 470.100 - 537.575
FREQ SELECTION STEPS	Selectable; 100 kHz or 25 kHz
RF POWER OUTPUT	HMa: Selectable 100 or 50 mW
COMPATABILITY MODES	HMa: Nu Hybrid, Mode 3, IFB
PILOT TONE	25 to 32 kHz; 5 kHz deviation (in the Digital Hybrid mode)
FREQ STABILITY	± 0.002%
SPURIOUS RADIATION	HMa/E01/E02/941/X: 60 dB below carrier HMa: Compliant with ETSI EN 300 422-1 v1.4.2
EQUIVALENT INPUT NOISE	–125 dBV (A-weighted)
INPUT LEVEL	Nominal 2 mV to 300 mV, before limiting. Greater than 1V maximum, with limiting.
INPUT IMPEDANCE	1K Ohm
INPUT LIMITER	Dual envelope “soft” limiter; greater than 30 dB range
GAIN CONTROL RANGE	55 dB; panel mounted membrane switches
MODULATION INDICATORS	Dual bi-color LEDs indicate modulation of -20, -10, 0, +10 dB referenced to full modulation
FREQ RESPONSE	35 Hz to 20 kHz (+/-1dB);
AUDIO INPUT	Standard 3-pin XLR (female)
PHANTOM POWER	5V @ 18 mA max., 15V @ 15 mA max. and 48 V @ 4 mA max., plus “OFF”
USB PORT	Used for firmware updates
ANTENNA	Housing and attached microphone form the antenna
BATTERY	Two 1.5 Volt AA alkaline
BATTERY LIFE (Duracell Ultra)	AA alkaline; No Phantom Power: 5h 0m*
	AA alkaline; 48V Phantom Power: 3h 30m**
WEIGHT	6.7 oz (190 grams) without batteries