This is the first production filter set used for the XdS/XdW speakers. Used in all current XdAs.

nht-xd-240305-1.flt
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This is a filter set designed for high output applications for use with systems that contain two XdWs on the XdA. The crossover frequency between the XdA and XdW has been raised to 135Hz to allow higher output from the XdS. For best imaging, each XdW must be located within 1’ of it’s XdS.

nht-xd-040805-1.flt
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This filter set is designed for applications that need lower bass extension and have two XdWs connected to the XdA. The crossover frequency between the XdA and XdW has been raised to 135Hz to allow higher output from the XdS. The filter for the XdW has been adjusted to give the system bass extension to 20Hz at -3dB. For best imaging, each XdW must be located within 1’ of it’s XdS.

Use of this filter set will decrease the output of the system due to the increased equalization needed to extend the XdW bass response to 20Hz. If the system playback level is too high while producing low frequencies, the XdW amplifiers may periodically mute to protect themselves. This is normal behavior. If this occurs, turn the playback level down.

nht-xd-040805-2.flt
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This is the current revision to the firmware code for the XdA when used with the XdS and XdW speaker systems.
We recommend that all users of the (consumer Xd system) XdA upgrade to this version when used with the XdS/XdW speakers.

107_9.frm - updated 11.29.06
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