SoundTraxx Tsunami Installation - Manual (Page 26)

Tsunami Installation Guide Page 23 Tsunami Installation Guide Page 23
Figure 17 - Track and Motor Connections
Speaker Connections
Connect the decoder’s PURPLE speaker (+) wire (pin 12) to one of the
speaker terminals. Connect the other PURPLE speaker (-) wire (pin 10) to
the other speaker terminal. Note: Tsunami does not need a capacitor to
be wired in series with the speaker as required by some other SoundTraxx
decoders.
Note: the polarity of the speaker
terminals is only important when
using multiple speakers (see
below). If you have installed
multiple speakers, make sure they
are phased properly, i.e., positive
lead to positive lead and minus lead
to minus lead of each speaker.
On smaller speakers, solder the
wires to the outside edges of the
solder pads as shown in Figure 18.
Wiring Multiple Speakers
When wiring multiple speakers, it is very important to observe speaker polarity as
noted above. If a speaker is wired backwards with respect to another speaker,
each speaker will produce a sound wave that is 180 degree out of phase with
the other. The two sound waves will effectively cancel each other out resulting
in a diminished volume level! If the speaker does not have polarity markings
on their terminals, wire like terminals to like terminals (i.e., left terminal to left
terminal). If in doubt, try swapping the polarity of one speaker and see if the
sound improves or worsens.
Tsunami is designed to drive an 8 ohm load. You must properly wire multiple
speakers according to the directions that follow so as not to exceed this load.
Installation
Forward
Left-hand Rail Pickup
Right-hand Rail Pickup
Motor
Gray
Motor Negative (-)
Orange
Motor Positive (+)
Decoder
Figure 18 - Soldering to
the Speaker Terminals