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Old 12th December 2013, 04:38 AM   #9601
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I do not know. Maybe he is not an audiophile. Polypropylen is not the best dielectric concerning temperature stability. A better material in that sense is PPS, itself a substitute for Polycabonate. PPS has low distortion but higher dielectric absorbtion as Polypropylen though. Pick your poison. In my best RIAAs i use Polystyren ( Film-Foil ) trimed with Teflon or Air trimmers.
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Old 12th December 2013, 04:41 AM   #9602
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I always said here that Wima FKP2 P-P film and foil are just fine. I can simply not beleave that most people doing DIY have a good enough turntable that whould warant anything better. When you get a bad sound with FKP2 there is something serios wrong in your system.
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Old 12th December 2013, 05:21 AM   #9603
mkc is offline mkc  Denmark
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Hi guys,

Sorry Joachim for hijacking your thread, but I thought this might be the most appropriate thread given the topic. I hope I'm not getting bashed by the moderators. Here we go.

A friend of mine (the designer of DACT CT100) has retired. He has a stash of 2SA1316 GR and BL. Unfortunately not any of the NPN type. If anyone is interested they can PM me and I will help getting you in contact with him. I'm not interested in being in the middle and have no financial interest in this.

Just want to give people the oppurtunity.

Cheers,
Mogens
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Old 14th December 2013, 02:57 PM   #9604
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He sells only GR but i need BL. Anyway, thanks.
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Old 24th December 2013, 03:27 PM   #9605
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Interesting resistors :
PathAudio 10 Watt Resistors homepage
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Old 24th December 2013, 04:10 PM   #9606
brianco is offline brianco  Ireland
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Location: Scottish Borders - Kelso; on the famous Tweed River!
Have a great Christmas / Holiday everyone.
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Old 24th December 2013, 04:18 PM   #9607
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thanks
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Old 24th December 2013, 04:29 PM   #9608
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Quote:
Originally Posted by Joachim Gerhard View Post
Interesting resistors :
PathAudio 10 Watt Resistors homepage


"The body is encased is copper, shielding the resistor body structure against RF interference and magnetic fields. "

Yet, not even a ppm figure...or even a mention of what the resistive element is
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Old 25th December 2013, 02:45 AM   #9609
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The Paradise developed into quite a complex animal.
I think it really stretches the abilities of an average DIY builder to the maximum.
So lately i thought how something simpler can be made that is easier to build but still performs well.
Just for fun i have build two MM stages that are good candidates. One is the High Octane MM stage published in Linear Audio. I still battle a bit with the PSU but i know that it works. Jan Didden build one and he is happy with the result. There is also a thread here on DIY Audio that describes it.
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Old 25th December 2013, 02:51 AM   #9610
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The other is the Renardson MM stage found here :
Phono Pre-amp Circuit
Both lack an MC input. Jan uses a transformer but that can get expensive.
So i searched for a circuit that works well but that also is simple and has some historical roots like the High Octane that is a modern interpretation of a Peter Walker design.
A man that i admire for innovation and a clear mind.
I owned several classic Quad amps and speakers and particular the ELS57 changed my view about what good sound is. I even build a double stack with modified Kelly Ribbon and Hartley woofer, a DIY version of the Mark Levinson HQD.
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