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Lectrosonics HMA-A1 Plug-on Transmitter  Block (470.100 - 537.575)
  • Lectrosonics HMA-A1 Plug-on Transmitter  Block (470.100 - 537.575)
  • Lectrosonics HMA-A1 Plug-on Transmitter  Block (470.100 - 537.575)
  • Lectrosonics HMA-A1 Plug-on Transmitter  Block (470.100 - 537.575)
  • Lectrosonics HMA-A1 Plug-on Transmitter  Block (470.100 - 537.575)
 
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Lectrosonics HMA-A1 Plug-on Transmitter Block (470.100 - 537.575)

Manufacturer: Lectrosonics

Item #: LEC-HMA-A1   •   MFG #: HMA-A1

 

List Price:$1,670.00
Our Price:$1,215.00

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Availability: Direct Ship From Manufacturer
i
Item ships directly from the manufacturer and is subject to manufacturer availability. We will contact you with expected availability. You can also email [email protected], chat or call customer service (800)-522-2025 for expedited delivery options.
 
 
  • Special Order Item: non-cancelable, non-returnable, non-refundable.
 

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California Residents:
8pt-triangleWARNING:
Cancer and Reproductive Harm - www.P65Warnings.ca.gov

 
 
 

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 for up to 3072 frequencies. The tuning range covers three standard 25.6 MHz Lectrosonics frequency blocks. Each of the standard blocks includes 256 different pilot tone frequencies for compatibility with all Digital Hybrid Wireless receivers.

DSP compatibility modes are also included to work with legacy Lectrosonics analog wireless microphone receivers and IFB receivers, as well as some receivers from other manufacturers.

The transmitter is powered by two AA batteries, with status indicated by a multi-color LED. A USB port is provided for firmware updates. An IR (infrared) port is also included to simplify setup with IR enabled receivers.

The input amplifier uses an ultra low noise op-amp for quiet operation. It is gain controlled with a wide range dual envelope limiter, providing over 30 dB of headroom above full modulation. A 24-bit A-D converter digitizes the audio, then filters supersonic noise above 21 kHz. The resulting signal is encoded with a proprietary algorithm to produce an analog data signal for RF transmission. The underlying RF link is an optimized FM system with +/-75 kHz wide deviation for a high signal to noise ratio.

The antenna is formed between the machined aluminum housing of the transmitter and the attached microphone or cable. It functions as a dipole radiator when attached to a hand-held microphone and somewhat like a ground plane antenna when connected with a cable or plugged directly into a mixer. The conical shaped collar on the input coupler is made of DuPont Delrin to improve the ERP of the antenna in the uppermost frequency bands.

Digital Hybrid Wireless is a revolutionary design that combines digital audio with an analog FM radio link to provide outstanding audio quality and the exemplary RF performance of the finest analog wireless systems.

The design overcomes channel noise in a dramatically new way, digitally encoding the audio in the transmitter and decoding it in the receiver, yet still sending the encoded information via an analog FM wireless link. This proprietary algorithm is not a digital implementation
of an analog compandor. Instead, it is a technique which can be accomplished only in the digital domain.

The process eliminates compandor artifacts, expanding the applications to include test and measurement of acoustic spaces.

 
  • Features

    • Accepts microphone or line level signals
    • Selectable 5, 15, 48 volt phantom power
    • 76 MHz tuning range in 100 kHz or 25 kHz steps for up to 3072 frequencies
    • 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
     
  • Specifications

    • Operating Frequency: Band A1: 470.100 - 537.575
    • Frequency Selection Steps: Selectable; 100 kHz or 25 kHz
    • RF Power output: Selectable 50/100 mW
    • Pilot tone: 25 to 32 kHz; 5 kHz deviation (in the Digital Hybrid mode)
    • Frequency stability: +/- 0.002%
    • Deviation: +/- 75 kHz (max in Digital Hybrid mode)
    • Spurious radiation: 60 dB below carrier
    • 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: 300 Ohms
    • 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
    • Audio Performance (overall system): Frequency Response: 35 Hz to 20 kHz (+/-1dB); Low frequency Roll-off: Adjustable for -3dB @30, 50, 70 Hz)
    • Input Dynamic Range: 125 dB (with full Tx limiting)
    • Controls & Indicators: Power/Phantom "ON-OFF", Phantom voltage selector, Audio input gain, LCD w/membrane switches, LED audio level indicators
    • Audio Input Jack: 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
    • IR (infrafed) port: For quick setup by transferring settings from an IR enabled receiver
    • Antenna: Housing and attached microphone form the antenna
    • Battery: Two 1.5 Volt AA alkaline
    • Battery Life (Duracell Quantum): AA alkaline; No Phantom Power: 5h 0m*, AA alkaline; 48V Phantom Power: 3h 30m**
    • Weight: 7.5 ozs. (0.5 lbs) w/ AA batteries
    • Dimensions: 4.25x1.62x1.38 inches
    • Emission Designator: 180KF3E
     
  • Item Includes

    • 1x HMA-A1
    • 2x AA Alkaline Batteries
    • 1x HM Pouch (Part #PHTRAN3)
    • 1x Quickstart Guide
     
  • Warranty

    • 1 Year
     
 
 

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