SM Pro Audio
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MBC502 Manual
3
Introduction
MBC502 is a 500 series module that occupies 2 slots in your 500 series rack. It is a dual band
optical compressor with a Linkwitz-Riley 4
th
order (24dB/octave) crossover.
Each channel – low frequency and high frequency offer control over level, compression amount,
attack and release times. Switches allow you to mute one channel so that the other can act as a
filter, with the filters centre frequency determined by the frequency selector knob. The VU meter
displays the master output level, while gain reduction is shown on the LED meters. Last but not
least: The MBC502 audio circuit uses LME49720 ultra-low distortion/low noise Op Amps, for clear,
defined audio input and output quality.
3.1
Unboxing
Your SM Pro Audio MBC502 was carefully packed in the factory and the packaging was designed
to protect the unit from rough handling. Nevertheless, we recommend that you carefully examine
the packaging and its contents for any signs of physical damage, which may have occurred in
transit.
If the unit is damaged, please do not return it to us, but notify your dealer and the shipping
company immediately, otherwise claims for damage or replacement may not be granted. Shipping
claims must be made by the consignee.
3.2
Connecting
The SM Pro Audio MBC502 is a 500 series compatible module, which connects to a 500 series
power chassis via the rear multipin slot.
Please ensure the power is off before slotting your
module into your 500 series power chassis.
Below is the feature layout of the multipin
connector.
Terminal
1 CHASSIS
2 OUTPUT 1 + (+4 Level)
3 OUTPUT 2 + (-2 Level)
4 OUTPUT -
5 GND
6 STEREO LINK
7 INPUT 2 - (-2 Level)
8 INPUT 1 - (+4 Level)
9 INPUT 2 + (-2 Level)
10 INPUT 1 + (+4 Level)
11 GAIN TRIM RESISTOR
12 +16V DC
13 GND
14 -16V DC
15 +48V DC
