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Railroad Crossing Sound Effects Circuits
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Our MRB2 bell/strobe circuit is no longer available.
MRB2 Installation instructions [pdf]
To ring a mechanical bell, the Circuitron BR-1 or BR-2 may fit your need. It is available from Walthers and other retailers:
Connect the BR-1 circuit to the Azatrax D2T-Xing or MRX3 crossing control circuit like this:
Electronic sound effect modules that play through a speaker can be triggered by our MRX3 grade crossing signal controller
and by our D2T-Xing grade crossing signal controller.
These diagrams show how to connect an ITTP GL sound effects circuit. Sound modules from other manufacturers can connect in the same way.
An Xbell sound effects module from Iowa Scaled Engineering can be connected to
our D2T-Xing grade crossing signal controller
or to our MRX3 grade crossing signal controller like this:
Use MRX3 terminal SB for short duration sound effect, or terminal LB for long duration sound effect.
© copyright 2009-2022 Azatrax LLC, Longmont, Colorado
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