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Speaker crossover capacitance change

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MrRoast
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MrRoast Posted: Sat, Jul 6 2013 10:13 PM
Hello all,

Misread the values on my speaker crossover caps and replaced 37uF with 87uF - damn that 70's Danish equipment! ;)

What real life difference will this make to the sound? I can re-replace them but the speakers sound ok (if slightly bassy) to me. What area should the higher value caps change the sound of?

Any suggestions greatfully received!
Dillen
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Dillen replied on Sun, Jul 7 2013 7:12 AM

If it had been correct or better then B&O would have used it.

It's not always easy to predict or even explain what will happen soundwise, you will have to take a look at
the schematics and I don't have them here, but replacing 37uF with 82uF will
kick both the crossover frequencies and the impedance matching over the fence.
That's safe to say.
Generally a larger capacitance will allow more energy and deeper frequencies through so
if one or both of these caps work with f.e. the tweeter, they will allow some midrange and maybe
even some bass energy through to it. This will cause distortion because it overloads the tweeter and
the tweeter will potentially be destroyed if you go beyond a certain volume.

But why not put in the correct values ?

Martin

MrRoast
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MrRoast replied on Sun, Jul 7 2013 10:06 AM

Thanks Martin

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