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In Reply to: RE: Where is that clause? posted by tweaker456 on October 04, 2021 at 18:22:51
Good, I'll PM them right now. You've been a tremendous help. I'll remember to check out those Elna Silmic IIs.
The Elna ll caps are dogs gift to the audiophile, IMHO. They blow the doors off the Nichicon KZ. I have not compared them to Blackgates but that mute at this point, for the most part. This is what the company says about them:
Relieves the music's vibration energy
Decreases the peak feeling sound at high compass and rough quality sound at middle compass
Increases massive sound at low compass
Now you can't do better than that, now can you?
I suggest looking for a place to listen to them. They are RFS and Digikey has three pages of them in stock. If you like glare, brightness, "sparkle" and artificially extended highs look elsewhere. Be aware if not already that cap life increases massively as the real life temperature goes down. There is a formula for this. Tweaker
Denied facts are still facts.
Be aware if not already that cap life increases massively as the real life temperature goes down. There is a formula for this.
Yep I know, I also know about the "10°C rule" - Capacitor life doubles with every 10°C decrease in temperature. That is why I wanted 105°C rating - to match the original part's spec yes, but also max out on useful life. If those capacitors are rated for 4000hrs at 105°C, running them around say 55°C translates into more than 14 years of continuous use :-)
The amp I'm working on is well built, there are only two caps in each channel signal path and they put polystyrene film there. The 'lytics are for power supply filtering, and support circuitry such as current sources/sink, level shifters etc... Do you think it's worth putting the Elnas you speak about or any other high-grade audio cap in those positions?
I do have a '80s Rotel preamp that I use for its MM/MC phono stage that has 'lytics right in the phono signal path (bypassed by films though), so it could be a good test.
If electrolytics are necessary in the signalpath in the preamp, which is likely then definitely trying the Silmic there would be a good idea,IMO. As for the polystyrene's in the signal path I would say that they might not be the worst choice but given price constraints in commercial equipment that they are likely a fantastic spot to significantly improve the sound of that unit. Huge respect out there for copper foil and tin foil caps, I would say in that order. The relatively new kid in town for copper foil is Miflex, probably the KFPM is their least expensive model. I got mine from Europe but it looks like SonicCraft has them. My one experience with them is very satisfactory and it dovetails with all the love out there for copper foil. To me they are similar to the Silmics, very natural sounding, brightness and glare free, increased detail and clarity without and trace of being un-naturally etched sounding. Should be a small value in the signal path, I think, so a few extra bucks saved there would maybe not be such a good idea. I did have one excellent experience with tin foil and can elaborate on some of the choices if the copper foil are too expensive. YMMV. Tweaker
Denied facts are still facts.
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