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Old 24th October 2012, 06:28 PM   #8341
Salas is offline Salas  Greece
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As I had wrote before when we were discussing the Miller reduction effect, it won't be perfect in real life with just the Vds provided by common gate JFET on top. That is why I was suspicious about the simulator precisely predicting the HF Riaa cap on single shot with the rather coarse JFET spice models. You should listen in stereo with best cart available and take some time of course.
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Old 24th October 2012, 06:38 PM   #8342
RCruz is offline RCruz  Switzerland
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Soon I will finish second board and than I will have the pleasure to fine tune it with the Benz cart.

Yes, it is a D3000... how did you know?

And yes, the output cap is the "missing link" so I will go blue in time.

There are also upgrades coming the V12R way off course

In the end I will do a double mono psu with r-cores.
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Old 24th October 2012, 06:44 PM   #8343
Salas is offline Salas  Greece
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The exercise is we ball park a safe HF cap value to recommend. Then each builder will have tonal influences from his cart, arm, set up, chosen caps, regs, etc. But there must be something to be based at.

About the camera, EXIF data told me. I was wondering if its just your own outdoors shots or a coincidence, that is why I asked. The birds are not that historically appreciating by the way.
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Old 24th October 2012, 06:52 PM   #8344
Salas is offline Salas  Greece
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P.S. We don't know the exact value when on less than professional 4 wire bench LCRs like HP lab gear anyway.
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Old 25th October 2012, 12:20 PM   #8345
atupi is offline atupi  Romania
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As everybody recommending teflon for the 47nf interstage capacitor i've found a cheap and easy way to source some 22nf FT-1 teflons. Would be a good idea to buy 4 of them and install paraleled ?

For the 47nf in the RIAA network polystyrene would be good ?

Last edited by atupi; 25th October 2012 at 12:28 PM.
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Old 25th October 2012, 01:01 PM   #8346
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For RIAA most importatnt is accuracy if you get 1% better
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Old 25th October 2012, 01:06 PM   #8347
Salas is offline Salas  Greece
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Quote:
Originally Posted by atupi View Post
As everybody recommending teflon for the 47nf interstage capacitor i've found a cheap and easy way to source some 22nf FT-1 teflons. Would be a good idea to buy 4 of them and install paraleled ?

For the 47nf in the RIAA network polystyrene would be good ?
Yes & yes.
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Old 25th October 2012, 01:10 PM   #8348
Salas is offline Salas  Greece
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Quote:
Originally Posted by merlin el mago View Post
For RIAA most importatnt is accuracy if you get 1% better
Most important is you home in to a curve that compliments your system. If not having 1% LCR or better and many components to match from, safer is getting 1% components to a generally agreed and recommended value.
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Old 27th October 2012, 02:08 AM   #8349
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Salas have you tried using the lsk170 instead of the 2sk ones?
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Old 27th October 2012, 04:17 AM   #8350
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No. They should be adequate I have read though.
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