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In Reply to: RE: That's not exactly hiss your are hearing! posted by gusser on July 27, 2016 at 14:37:42
I'm well aware a cap across the speakers can hurt the amp. That is part of my question. Looks like a cap by itself would have to be to large. The system is just as quiet as it was when the cap was in the circuit when no music is playing. It is in fact hiss that is on the cd. T
Edits: 07/27/16Follow Ups:
If the hiss is actually on the recordings then you have achieved what you were after correct? a DAC that is transparent and lets everything on the recording through! So take the good with the bad, the DAC is now doing what you wanted. Hiss is just part of the recording and you can live with it or not. This is what happens when a system reaches a certain level transparency and you start to here things you never heard before good and bad.
This type of stuff doesn't bother me cause I know it's on the recording so like other post said I just ignore it.
If you really want to get rid of that hiss you will be putting back what you were trying to remove which is a slight veil over the music via EQ, DBX, Dolby or any other type of filtering like that cap resistor you are talking about.
Maybe look into speaker cables like Transparent or MIT that have a filter network inside. :)
Oddly enough Cougar the increased hiss came in part from the last group of Elna Silmic II's. I was a bit worried they would roll things off too much. Very much improvement in treble so your taking the good with the bad comment is appropriate. I could put a low pass filter on it but then there would be a dreaded extra resistor in the precious signal path. Horror of horrors! Ah what to do. I do have a different set of output tubes I haven't listened to yet. The zobel filter tweak is new to me and although not designed to roll off highs there are comments that it quiets down the treble in one or two comments on the web. Lots of respect out there for the zobel. Tweaker
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