in this article I test the sound system of PTV electronics in its different configurations since it has 8 different types of sound that can be easily changed using the switch on the map to select the different sound effects that are:
-Turboprop
-BMW801
-DoubleWasp
-Ash63
-Allison
-Merlin
-DB605
-Lycoming
I put on the output card on a 20 W amplifier on which I connected a electro dynamical exciter and it is the whole structure of the plane that serves for the speaker (as you can see on the video)
for sync with the throttle settings there are two jumpers to memorize the high and low positions
and here is the result in video
and the result in flight with cargo twin 2
and another test in the giant four engine cargo 3.4 m wingspan
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