Product Support for: Sound Decoders -> Standard 1 Amp Sound Decoder HO Scale (SDH166D)

View the Product Page for the SDH166D

8 Bit Sound, Motor & Function Series 6 Decoder.

SDH166D replaces SDH164D.

1 Articles Found for SDH166D

KB1015 Power Xtender Q & A

My sound decoder has a capacitor, why do I need a PX112? The capacitor that came with your Digitrax sound decoder is designed to hold up sound operation in the presence of brief power interruptions.  It is not designed to keep the locomotive’s motor and lights running.  Our ears are very sensitive to sound interruptions so, the capacitor on your sound decoder will prevent most of these drop outs on average quality track.  Most people don’t even notice the small pauses in a locomotive’s movement and the small flashes of the lights when the track power is interrupted.  If you ...