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MMA™ 835T/
875T/8150T
FEATURES
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9 channel mixer/power amplifier system
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20-20 kHz frequency response
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Bridging input/output
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Dedicated program input
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Contour switch (special equalization)
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Bass and treble controls
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Preamp output/power amp input patch capability
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Short circuit and thermal protection
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SPS™ protection circuitry
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External volume control capability
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Built-in low cut filter (switchable from rear panel)
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Plug in module capability
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Output impedance variations: 4 ohm, 8 ohm, 25 V, and 70 V
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Rack-mountable or stand alone package
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Two mute lines
The Architectural Acoustics MMA™835T/875T/8150T are high quality mixer amplifiers with
nine separate input channels. Each channel provides a level control, and the master output section
features bass and treble EQ controls (defeatable) and special equalization contour.
The MMA™ 835T/875T/8150T provides unmatched application flexibility with an array of
optional plug-in modules, allowing each system to be tailor-made for specialized installations. Input
modules may be loaded-in as required for varying applications, number of input channels, special
functions, etc.
The program input includes its own level control and is totally separate from the other eight
channels. External signals may be patched in at this point as a system auxiliary input or the ninth
input channel. Signals appearing at this input are routed directly to the master summing amplifier
stage and are mixed with signals from the other eight channels. Systems requiring a single input
may use the program input and the purchase of an input module is not necessary. The program level
control regulates the level of this input and the signal is routed through the system bass and treble
controls.
The power sections deliver rated output (35, 75, or 150 watts) and includes built-in SPS™ pro¬
tection, which allows the MMA'M835T/875T/8150T to produce full power capability without
1 audible power amp clipping. A broad load impedance range is provided and twenty-five and seventy
volt fully isolated line outputs are standard equipment. The MMA1'1835T/875T/8150T are packaged
as stand-alone units but will also rack-mount into a standard 19" rack with optional rack-mount kit.
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