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910
• 9 channel mixing system • Contour switch (special equalization)
• 20-20 kHz frequency response • Bass and treble controls
• Bridging input/output • Plug in module capability
• Dedicated program input • Rack-mountable or stand along package
GENERAL DESCRIPTION
The Architectural Acoustics MMA™ 800T is a high quality mixer/preamp with nine 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™ 800T 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 sound reinforcement applications, number of input channels, special functions, etc.
The program input includes a 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--making the purchase of an input
module unnecessary. The program level control regulates the level of this input and the signal is routed through
the system bass and treble controls.
The MMA 800T is packaged as a stand-alone unit but will also rack-mount into a standard 19" rack with
an optional rack-mount kit.
FRONT PANEL:
CHANNEL LEVEL CONTROL (1):
Controls the signal level at the channel input.
FEATURES:
LOW EQ CONTROL (BASS) (2):
Active equalization control that adjusts the low frequency response. Clockwise rotation boosts lows while coun-
terclockwise rotation provides a cut (reduction) of the low frequencies (±10 dB).