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      12-31-2020, 09:20 AM   #95
RL18
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Drives: 2011 335d sport
Join Date: Nov 2017
Location: Maine

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Quote:
Originally Posted by sunny_j View Post

can that be the centre channel speaker?
Well from what I gathered from the wire diagram argento provided... the power comes from the amp, goes to the 2 pin connector (pin 1: is negative, pin 2: is positive). Pin 1 goes to midrange negative, pin 2 gets jumped to pin 3 on the three pin connector.

Then on the three pin connector, pin 3 (which is positive) goes to the diplexor pin 9 then gets split and runs through each filter. Pin 4 is negative from diplexor pin 8 (jumping to pin 1). Then pin 5 is positive (filtered signal) going to the midrange, from the diplexor pin 7. So the midrange and tweeter are wired in parallel which brings the final impedance to about 2.6ohms.

Hopefully that makes sense. I'm guessing they had to use a 3 pin connector to keep the speakers in parallel, otherwise they'd be in series and we don't want that. The center channel should have its own channel on the amp because you'd run into phase issues. The diplexor adds a whole lot to the wiring, where you could use a simple crossover and make the wiring a lot simpler.
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2011 335d tuned by B.R.R.
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Last edited by RL18; 01-02-2021 at 11:34 AM..
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