MS502 INTEGRATED SUBWOOFER AMPLIFIER
Each of your MS502’s have a built in dedicated subwoofer amplifier spe- cially designed to deliver powerful low frequencies to the
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1. EXT/THX Input
This is a line level input for connection to the subwoofer line level output of a Dolby Digital/DTS/THX or other
2. Loop Output
The signal applied to the EXT/THX input socket is ‘looped’ back out through this socket so that it can be connected to another subwoofer unit in a daisy chain.
3. THX / EXT / INT Input Switch
This switch selects which mode the MS502 operates in.
•THX mode selects the EXT/THX input socket and disables the internal volume control and internal crossover circuits, as required by Lucasfilm THX when used with THX certified electronics (wiring configuration shown in fig. 7 opposite).
•EXT mode also selects the EXT/THX input socket but enables the volume control and internal crossover circuits for use with a non THX certified
•INT does not require a separate line level connection to the MS502. In this mode the user can connect the MS502 as a conventional speaker by using a set of normal speaker leads. The subwoofer derives its input signal internally and thus does not need a separate input. This mode is used with either a stereo or
4. Phase
Selects subwoofer output to be either in or out of phase (180 degrees). This allows you to match the phase of your MS502s to different listening positions and that of other speaker systems used at the same time.
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