Octave 10+ year member
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I like what you did with the expandable foam. I just finished working on a 2011 Challenger and I noted that the cavities were filled with foam. It's amazing how just that little bit goes towards quieting a car down.
The attention to detail on the wiring to use grommets when it runs through the frame areas is nice touch. For taping down the wires try some left over soundening. I found it sticks better than duct tape.
I have done ambient tweeters in the same way. It's also a great way to increase the height of your sound stage. Play with switching the polarity on the tweeters. Sometimes they will sound better when ran reverse to the main stage tweeters. Think of it as a poor man's time alignment.
Great start. Looking forward to the finish.
The attention to detail on the wiring to use grommets when it runs through the frame areas is nice touch. For taping down the wires try some left over soundening. I found it sticks better than duct tape.
I have done ambient tweeters in the same way. It's also a great way to increase the height of your sound stage. Play with switching the polarity on the tweeters. Sometimes they will sound better when ran reverse to the main stage tweeters. Think of it as a poor man's time alignment.
Great start. Looking forward to the finish.