MT109-101

4-In 1-Out Balanced Stereo Audio Switcher

  • RS-232 Control
  • Variable Connectivity
  • For use with Connector Panel or other MT cards
  • Expansion to 8-In 1-Out
  • Versatile

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The MT109-101 is a Stereo Audio Switcher Card designed for use with the MultiTasker. When installed in a MultiTasker enclosure, this card allows the connection of 4 balanced stereo audio sources to a single receiving device, such as a cassette recorder, mixer, and/or amplifier for sound reinforcement.

Inputs are selected via easy-to-use ASCII commands from a control system or computer connected to the RS-232 port of a MultiTasker enclosure.

The MT109-101 is primarily designed to utilize the inputs and output offered on the connector panel. However, it also offers the ability to connect internally to any compatible MultiTasker card, to either send or receive stereo audio signals from the other card.

This feature can be used in a variety of ways to expand the capabilities of the card. For example, two MT109-101 cards can be installed in the MultiTasker and the output of one can be routed to an input of the other, creating an 8- input, 1-output switcher.

Specifications

General

Electrical

Inputs

Input Signals

Input Connectors (4) 3.5mm stereo audio jack

Max Level: 0 dBu

Outputs

Impedance: 10k Ohms

Local Monitor Output Connector: (1) 3.5mm 5-pin Terminal Block

Audio Throughput

Compatibility Stereo or Mono Audio

Gain: 0 dB unbalanced, 6dB balanced

 

Frequency Response: 10 Hz to 20 kHz (+/- 0.05 dB)

 

Noise Floor: -100 dB @ 20 kHz

 

CMRR: >80 dB, 10 Hz to 20 kHz

 

Output Signals

 

Level: 1V p-p

 

Impedance: Low – drives 600 Ohms

 

Gain: 0 dB

 

Power

 

Power from MT100-100

+6V

-6V

+13V

-13V

Power Consumption

 

MT109-101

20 mA

20 mA

45 mA

40 mA

1.4 watts

 

 

Mechanical

Optional Accessories

Basic Enclosure Slots Required: 1

 

Weight: 1.0 lb (0.45 kg)

 

Connector Panel: Black

 

T° Operating: 10°C-40°C

 

T° Maximum: 0 to 50°C

 

Humidity: 90% non-condensing

 

MTBF (calc.): 55,000 hrs

 

 

 

Application Diagram

Specifications/Diagrams subject to change without notice.

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