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In Reply to: RE: I rarely disagree with you but.... posted by airtime on December 14, 2015 at 06:18:01
You are throwing out a generalized statement that I think is just plain out dated - sorry.
Look for the absence of such in the signal path of virtually any high end gear made today - sorry. Why don't you ask those engineers why they use more linear caps?
I first realized this when I was tweaking the CRAP out of a Marantz 3600 preamp. I tried like hell to stuff hundreds of dollors in film caps into that thing.
Why bother?
Follow Ups:
Yeah, I did realize that quite quickly about the 3600.
Edits: 12/14/15
I have one stereo (new purchase and not the Conrad Johnson) that uses Elna Silmic II and Elna Cerafine caps. Excellent TOTL rated caps. But truth be told the amp section sounds like CRAP! The preamp section sounds warm and nice but not the end line on detail. I think this is a situation where it DOES need a different and perhaps a cheaper cap.
Some transistor gear is worth rebuilding, but it is not possible (room) or practical (cost versus benefit) to use anything but electrolytics. For those pieces, I am glad that high quality electrolytics are available. Also, that is how the gear was voiced. I don't have the time or the desire to redesign or revoice everything.
However, if I were designing from the ground up, I'd want film.
Dave
But truth be told the amp section sounds like CRAP!
There's a lot more to determining the sound of a component than its caps. If you refer to the Marantz integrated, compare its innards to say the PM11S3. Quite a difference I should say. Once is designed to a specific price point using op amps in lieu of discrete devices.
I think this is a situation where it DOES need a different and perhaps a cheaper cap.
And further reduce linearity? I suspect the underlying issue(s) lie elsewhere.
note what the best units employed.
Solid State - Mark Levinson JC-2
Tube - Audio Research SP-3a
Largely film and polystyrene.
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