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Introduction
• 3 auxiliary sends and 3 stereo auxiliary returns (which can be used as 6
monophonic returns). Auxiliary return balance controls allow you to adjust
the relative levels of the left and right inputs for each return. Aux send 1 is
pre-fader and pre-equalizer, making it ideal for use as a headphone or moni-
tor cue mix, while Aux sends 2 and 3 are post-fader and post-equalizer.
• Independent 3-band equalization for each channel, with 15 dB of cut or boost
for low (80 Hz) and high (10 kHz) frequencies and 12 dB of cut or boost for
the mid (800 Hz) frequency.
• Constant level pan controls for placing each channel in the left-right stereo
spectrum.
• Channel PFL (Pre-Fade Listen) switches enable channels to be selectively
soloed.
• Bus switches on each channel allow signal to be muted or routed to a
separate stereo Bus 3/4 output.
• Channel input trim controls are continuously adjustable from +4 to -50 dB,
making it possible to use the MPL 1640 with a wide variety of signal sources
and outboard equipment.
• Center detents for all pan, balance, and EQ controls, making it easy to use
the MPL 1640 even in low-light situations such as live performance.
• Sixteen high-quality short-throw channel faders, along with two independent
Main stereo output faders. Each is detented at its “0” (unity gain) position.
• Peak input LEDs for each channel, showing you when an input signal is
overloading or near overloading (these illuminate 5 dB prior to distortion).
• Channel inserts for twelve of the sixteen channels, enabling you to use out-
board signal processors such as outboard equalizers, compressor/ limiters,
or noise gates in a standard “effect loop.” In addition, Main Mix and Bus 3/4
inserts allow you to process the final output signal in the same way.
• The provision of 48v phantom power makes it possible to plug high-quality
condenser microphones directly into the MPL 1640, without the need for
expensive and cumbersome external power supplies.
• A powerful and flexible front-panel metering system, which includes a seven-
segment meter that allows you to view at a glance the continuous main out-
put level or PFL solo level. Also included are various LEDs which show the
status of various conditions within the MPL 1640.
• An independent front-panel headphone jack with dedicated volume control.
• The MPL 1640 can be mounted in any standard 19” rack (taking 8 rack
spaces), making it easy to integrate into any existing system. When rack-
mounted, its connector panel rotates to the rear for easy accessibility.
• Last but certainly not least, an affordable price. The MPL 1640 has been
designed from the ground up to provide versatility and excellent sound
quality without breaking the bank.
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