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MULTI-TASKER
3
ABOUT YOUR MT108-102/(103) 2
MT108-102/(103)
1-in 4-out Stereo Audio Distribution
Amplifier Cards
The MT108-102 and MT108-103 are Stereo, Audio
Distribution Amplifier Cards designed for use with
the Multi-Tasker system. When installed in a
Multi-Tasker, these cards allow the connection of
a single stereo, audio source to four receiving
devices. All inputs and outputs are balanced,
allowing longer cable runs and superior noise
reduction.
As “transparent” distribution amplifiers, these cards
utilize AC coupling on their inputs for ideal signal
transfer characteristics. The power indicator on the
card doubles as a signal detection indicator,
allowing easy troubleshooting in complex
configurations. Each card consumes one slot in the
Multi-Tasker enclosure.
The MT108-103 also has the ability to
independently turn on or off each output under the
control of RS-232 commands sent to the
Multi-Tasker enclosure.
TECHNICAL SPECIFICATIONS 3
FEATURES/DESCRIPTION MT108-102/(103)
GENERAL
Inputs
Input Connector
(1) 5-pin terminal block
L+, L-, GND, R+ & R-
Outputs
Output Connector
(4) 5-pin terminal blocks
L+, L-, GND, R+ & R-
Compatibility
Balanced Stereo Audio
Table 1. MT108-102/(103) General
MECHANICAL MT108-102/(103)
Basic Enclosure Slots
Required
One
T° Operating 10°C-40°C
T° Storage 0 to 50°C
Humidity 90% non-condensing
MTBF (calc.) 40,000 hrs
Table 2. MT108-102/(103) Mechanical
ELECTRICAL MT108-102/(103)
Audio Input
Impedance 10k Ohms
Coupling AC
Audio Throughput
Gain 0 dB
Signal Amplitude +/-3V
Frequency Response
10Hz to 20kHz
(+/-0.05dB)
Noise Floor -100 dB @ 20 kHz
CMRR >80 dB, 10 Hz to 20 kHz
Audio Output
Level, Each Channel 1V p-p
Impedance 600 Ohms
Gain 0 dB
Power
Power from
MT100-100
+6V +13V -13V
Power
Consumption
MT108-102
45 mA 45 mA 45 mA 1.2 watts
MT108-103
80 mA 45 mA 45 mA 1.7 watts
Table 3. MT108-102/(103) Electrical