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SKU
320219
MPN
21551

LECTROSONIC DIGITAL TELEPHONE HYBRID

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  • 3-input/24-output digital matrix processor in a stackable configuration
  • Fully integrates with DM Series processors
  • Handles telephone, codec, and auxiliary inputs and outputs
  • Dual acoustic echo cancellers with 126 mSec tail time
  • Line echo canceller with 30 mSec tail time
  • Six filters plus compressor on each input
  • Six filters and compressor/limiter on each output
  • USB and RS-232 interfaces for setup and comprehensive remote control
  • Fully balanced audio signal flow
  • Digital I/O ports for "daisy chaining" and connection to other LecNet 2 devices
  • Proportional gain auto mixing algorithm with AutoSkew
  • Simultaneous LecNet2 software and third-party control

The DMTH4 from Lectrosonics is a versatile 3-input, 24-output matrix mixer designed to seamlessly integrate various non-regular audio sources such as telephone lines and video codecs into the digital bus structure of DM Series processors. Its advanced digital signal processing capabilities, which include filters and compression, make it ideal for sound reinforcement, recording in diverse settings like boardrooms and worship centers, and facilitating teleconferencing by reducing echo from loudspeakers picked up by microphones. With an intuitive control design accessible via USB or RS-232 connections, and the LecNet2 software providing a graphical user interface (GUI) for easy configuration, the DMTH4 is a sophisticated solution for modern audio systems.

Features

  • 3-input/24-output digital matrix processor in a stackable configuration
  • Fully integrates with DM Series processors
  • Handles telephone, codec, and auxiliary inputs and outputs
  • Dual acoustic echo cancellers with 126 mSec tail time
  • Line echo canceller with 30 mSec tail time
  • Six filters plus compressor on each input
  • Six filters and compressor/limiter on each output
  • USB and RS-232 interfaces for setup and comprehensive remote control
  • Fully balanced audio signal flow
  • Digital I/O ports for "daisy chaining" and connection to other LecNet 2 devices
  • Proportional gain auto mixing algorithm with AutoSkew
  • Simultaneous LecNet2 software and third-party control
In the Box
  • Lectrosonics DMTH4 Digital Telephone Hybrid
  • AC Power Cable
  • 2 x 12" CAT-5e Cables with RJ45 Connectors
  • 2 x DB9 to TRS (Stereo Mini) Cable
  • USB Cable
  • 5-Pin De-Pluggable Connectors
  • Software CD-ROM
  • Limited 1-Year Manufacturer Warranty
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Lectrosonics
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More Information
SKU320219
BrandsLectrosonics
MPN21551
Product ConditionNew
Specifications
Audio Specifications
Frequency Response 20Hz to 20kHz
Dynamic Range Input: 102dB (unweighted 20Hz to 20kHz); Output: 105dB (unweighted 20Hz to 20kHz)
Maximum Input Level +20dBu
Maximum Output Level +20dBu
Sample Rate 48kHz
Input Impedance 10kΩ
Output Impedance 450Ω differential @ 0dB attenuation, 5Ω differential @ -40dB attenuation
Crosstalk Line Level -103dB, Mic Level -101dB
THD + N 0.02% at nominal input level
Phantom Power No
Connectivity
Inputs 5-pin Phoenix
Outputs 5-pin Phoenix
Other Connectors 6 x RJ-45 Expansion, 2 x RJ-11 jacks, 1 x DB-25 Logic I/O, 1 x USB, 1 x 1/8" TRS Stereo Mini Serial
Physical Specifications
Dimensions 19 x 7.5 x 1.7" (483 x 191 x 43mm)
Weight 3.5 lbs (1.6 kg)
Additional Features
Specialties Integrates telephone lines, video codecs and external audio sources into the digital bus structure of DM Series processors
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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