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In Reply to: RE: DIY interconnect with integrated passive filtering? posted by KanedaK on January 13, 2017 at 08:51:30
I noticed the Cabre AS45 crossover features a hardwired 18 AWG power cord. No matter what improvements one has done to the electronic components such as upgraded caps and op-amps, the stock power cord will remain a weak link in the chain. You might consider installing a chassis mount or inline IEC inlet to enable the use of a detachable audiophile-quality power cord. It can be quite a surprise when the selection of an aftermarket power cord transforms an ugly duck into a swan, so to speak. Another aspect to consider is vibration control footers, since electronic/active crossovers are just as sensitive to power cord upgrades and vibration control devices as any other audio component.
Follow Ups:
Thanks for your advice Duster; I might consider tweaking that active crossover further but it is full of issues and i'm not techie enough to solve them.
Well, main issue it has - besides sounding just plein wrong - is a difference in gain between left low-pass output and right low-pass output, the latter being always 2 or 3dB stronger, wich screws the stereo image as you can imagine
other issues being opa2134 not good enough as opamps and elna silmicII not good enough as coupling caps, plus a quantity of other factors i suspect such as quality of cinch connectors, cabling, and so on.
What's wrong with OPA2134? I use one in a CMoy Headphone amp DIY and it is pretty good, though I don't have an extensive selection of opamps for 'rolling'
Too much is never enough
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