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| After
much experimenting over several months and trying Polyprops
with/without ESR simulating resistors this is the best sounding set up
I have found, for anyone wanting to keep the original boards/design. The Sonicap Gen 1 Polyprops are
one of my favourites for HF applications and one of the few available in
the exact value required as a single cap, but any good PP would do,
avoid cheap ones like Solen for the Tweeter. The top three Alcap
electrolytics are 100v versions. The 25uf in the Mid range is a Low
Loss Item (important) and is for the MD500 mid range, if using the
MF500 add an ordinary 5uf Alcap in parallel with this. I have both sets
of drivers and found the earlier MF500 to be smoother and more refined
in its presentation, the MD500 gives a more forward midrange and
because of its rating will ultimately play louder. The 25uf was used as
the correct 24uf is no longer available. This is now more
complicated because I have been informed the 25uf is also no longer
available, I must have purchased some of the last ones, so a parallel
pair of LL will be needed to make up the correct 24uf or 30uf value
depending on the type of Mid driver fitted. |
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