Non-Crossover Plugins; Subwoofer Applications - miniDSP EQ901 Series User Manual

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1.3.3

Non-crossover plugins

Two plugins provide specialized audio processing functions.
Rear/Center Channel
The Rear/Center Channel plugin provides a summed (L+R) or difference (L-R or R-L) signal for
use in deriving center or rear channels from a stereo signal. It also provides a 31-band graphic
EQ, high pass and low pass filters, and long delay (total 31 ms). For more information, see the
datasheet.
1.3.4

Subwoofer applications

For subwoofer applications, we usually recommend the use of the 2x4 Advanced plugin, because of its flexibility
and ability to handle many different subwoofer configurations. This flexibility is provided by the use of the
matrix mixer, which maps and mixes input channels to output channels. Here are four common subwoofer
scenarios and the recommended routing for each.
Mono subwoofer from stereo signal, and high passed speakers
In this configuration, the miniDSP 2x4 or miniDSP kit is used to generate a single mono subwoofer feed from a
stereo signal, as well as to high-pass the main speakers. The connection diagram is shown as follows:
To accomplish this configuration, use the matrix mixer to mix input channels 1 and 2 to output 1, and to send
input 1 to output 3, and input 2 to output 4:
miniDSP Ltd, Hong Kong /
www.minidsp.com
/ Features and specifications subject to change without prior notice
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