SM Pro Audio M-Patch 2.1: Passive Monitor Controller with Subwoofer Connection - Manual (Page 6)

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Connect these outputs to your destination device (active monitors, digital recorder,
or wherever you need the attenuated output signal sent).
* Note: It is possible to activate or deactivate each desired output pair via the output
selector switches‘ on the front panel. It is possible to have both master 1 & master 2
outputs active at the same time. This is very useful when connecting the outputs to
a recording device and a monitoring device simultaneously!
The Subwoofer direct output can be used to connect to an active subwoofer speaker
or via a power amp to a passive subwoofer, NO cross over is installed inside the
M-Patch 2.1 (we will be releasing cross over modules at a later time which can fitted
to the M-Patch 2.1).
One of the unique features of the M-Patch 2.1 is the ability to use Active Subs which
have cross overs built in them for the full range satellite speakers. In this situation,
you would connect the MASTER 1 output to the Active subwoofer;s inputs and then
the outputs of these to the XOVER/SUB Return input on the M-Patch 2.1, then use
the LR Send/2.0 output to connect to your satellite speakers.
* NOTE: Do not connect amplified inputs to the M-Patch 2.1!
4. FRONT PANEL CONTROLS
4.1 Master Section
The master section lets you select between the BALANCED or AUX inputs, select
MONO or STEREO listening mode for your monitors as well as MUTE all the outputs.
The main attenuator is made from precision 12 step switch which has 6 separate pre-
cision resistor networks to enable accurate attenuation of Left/Right and Subwoofer
controls simultaneously in a passive manner.