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Lectrosonics TM400
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Quick Overview
Wireless Microphone System for Test and Measurement
The Lectrosonics TM400 is the professional's choice for large venues, outdoor events or any other situation where using a cabled measurement microphone becomes problematic. Very few wireless transmission systems for microphones are really suitable for acoustical measurement work, due to limited dynamic range and frequency response and inline non-linear processors such as compressors and limiters and compander noise reduction. The TM-400 from Lectrosonics is specifically designed to overcome these limitations, making it a virtual industry standard for acoustic test and measurement work with larger systems and venues.Product Description
Lectrosonics Digital Hybrid Wireless™ (U.S. Patent Pending) uses a proprietary algorithm to encode the digital audio information into an analog format which can be transmitted in a robust manner over an analog FM wireless link. This combination offers the superb audio quality of a pure digital system and the outstanding operating range of the finest FM wireless systems. The digital audio chain eliminates compandor artifacts, and provides audio frequency response flat to 20 kHz. The RF link takes advantage of the spectral efficiency characteristics of an aggressively optimized FM radio system.
Manufactured in the USA to exacting standards, the TM-400 is ruggedly built and engineered to deliver years of reliable service, even in the most demanding production environments. The complete kit includes the UH400TM transmitter, R400A receiver, XLR pin swap adapter (required to phantom power some microphones) and foam-fitted, water-resistant hard case.
• 256 synthesized UHF frequencies for wide choice of tunings
• Rugged all-metal construction
Receiver
• Low noise, robust RF front end
• Balanced XLR audio output
• SmartTuning™ with graphic display for easy selection of clear RF frequencies
Transmitter
• Converts microphones with XLR jacks to wireless operation
• Selectable 5, 15, 48 Volt powering
• 100 mW RF output power for long range
Operating Frequencies (MHz):
• Block 21: 537.600 - 563.100*
• Block 22: 563.200 - 588.700*
• Block 23: 588.800 - 607.900, 614.100 - 614.300*
• Block 24: 614.400 - 639.900*
• Block 25: 640.000 - 665.500*
• Block 26: 665.600 - 691.100*
• Block 27: 691.200 - 716.700*
• Block 28: 716.800 - 742.300
• Block 29: 742.400 - 767.900
* Note that Blocks 21 - 26 and the first 68 frequencies in block 27 will continue to be completely legal operating frequencies for this type of device after new FCC RF spectrum allocation rules take effect next year in the USA. For more information on the practical impact of new FCC regulations on wireless microphone users, read Lectrosonics' analysis, The Sky is NOT Falling.
Manufactured in the USA to exacting standards, the TM-400 is ruggedly built and engineered to deliver years of reliable service, even in the most demanding production environments. The complete kit includes the UH400TM transmitter, R400A receiver, XLR pin swap adapter (required to phantom power some microphones) and foam-fitted, water-resistant hard case.
Key Features:
• 24-bit, 88.2 kHz digital signal handling for compandor-free audio• 256 synthesized UHF frequencies for wide choice of tunings
• Rugged all-metal construction
Receiver
• Low noise, robust RF front end
• Balanced XLR audio output
• SmartTuning™ with graphic display for easy selection of clear RF frequencies
Transmitter
• Converts microphones with XLR jacks to wireless operation
• Selectable 5, 15, 48 Volt powering
• 100 mW RF output power for long range
Operating Frequencies (MHz):
• Block 21: 537.600 - 563.100*
• Block 22: 563.200 - 588.700*
• Block 23: 588.800 - 607.900, 614.100 - 614.300*
• Block 24: 614.400 - 639.900*
• Block 25: 640.000 - 665.500*
• Block 26: 665.600 - 691.100*
• Block 27: 691.200 - 716.700*
• Block 28: 716.800 - 742.300
• Block 29: 742.400 - 767.900
* Note that Blocks 21 - 26 and the first 68 frequencies in block 27 will continue to be completely legal operating frequencies for this type of device after new FCC RF spectrum allocation rules take effect next year in the USA. For more information on the practical impact of new FCC regulations on wireless microphone users, read Lectrosonics' analysis, The Sky is NOT Falling.
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