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Audio Note Silver Foil Oil Coupling Capacitor - Page 2

post #16 of 25
Yeah. I can't afford 'em either, but everyone who has used them loved 'em. That said, unless you're building a Wilson WATT killer, I hardly think their use is warranted.
post #17 of 25
Thread Starter 
Quote:
Originally Posted by JWFokker
Yeah. I can't afford 'em either, but everyone who has used them loved 'em. That said, unless you're building a Wilson WATT killer, I hardly think their use is warranted.
I was thinking of implementing them as an upgrade in a Singlepower Supra, actually. Call it a severe infection of upgradeitis, but i'd like to try and max the Supra out from a components point of view and make the most of it i can. I doubt i'll be buying a replacement anytime soon, so this amp'll have to satisfy for a long time to come.
post #18 of 25
Hi,

Sometimes, it is fun to be a search-engine-fool.

Sometimes it's good to ask the doods who make them.
http://www.audionote.co.uk/kits/an_c...per_in_oil.htm

Search the other place
http://www.diyaudio.com/forums/showthread/t-55766.html

V-Cap here.
http://v-cap.com/v-cap-review.html
http://www.v-cap.com/oilcapcomments.html

I am sometimes a searchin' foo'.

Anyways, you should quickly observe these people are not really the majority. Some people go for no-name Polypropylene's even. I am kinda into electrolytics. Yep for coupling. It's all about what you look for in the audio. So save up lunch money and try em out for yourselves.

Tomo
post #19 of 25
These guys
http://www.soniccraft.com/
also make/sell a teflon cap, that I have heard very good things about. They don't post it on the website, but if you call, you can get the information on it.

There are some posts over at audiocircle on it, think there are some prices in one of the posts, as GR research has a circle there, and also sells them.

As I recall, they are cheaper than vcaps.

Randy
post #20 of 25
Quote:
Originally Posted by Covenant
The thing is, good IC's can always be swapped around at a later date. I DON'T want to be shipping my amp to and from america every time i want a cap changed
I can appreciate what you're saying about shipping the amp back and forth, but what I was getting at was that IMO the gain in sound quality is small going from a good quality cap to one of the mucho expensive boutique caps, and thus I think I personally would use the cap money to instead go with better cabling. But if you've got your heart set on the caps then you're absolutely right in that now would be the time to do it.
post #21 of 25
I think you should post what mods are already done, what caps are already in it, etc. Unless of course, you're dead set on replacing the caps.
post #22 of 25
Thread Starter 
Quote:
Originally Posted by JWFokker
I think you should post what mods are already done, what caps are already in it, etc. Unless of course, you're dead set on replacing the caps.
No mods are "already done" - keep in mind i haven't ordered the amp yet, and won't be for a fair while! I'm merely doing my research in advance.

As for the caps already in it, all i know is what's listed on Singlepower's website:

Standard Features of the Supra:

- 800v Center Tap Power Transformer (229VA)
- Point-to-Point Wiring (no circuit boards)
- (2) 3600μF Reservoir Capacitors
- GoldPoint Stepped Attenuator (24 Steps)
- Output TransformerLess (OTL) Circuit Topology
- Jensen Coupling Capacitors
- 6SN7 Tube Compliment
- Highly Regulated Power Supply
- Multiple Stages of Power Filtration
- Silver-Ceramic Sockets
- Silver Wire w/Teflon
- Silver Solder
- Metal Film Resistors and High Quality Components Throughout
- OFC Shielded Wire (signal path wiring)
- Stainless Steel Chassis w/ 360 Degree Ground Plane
- Filtered and Rectified DC Tube Filament Voltage

Interestingly, i recently emailed Gordon from Wavelength Audio about his oppinions on the various caps available, and he seems to have a strong dislike for Teflon caps. His response:

"Teflon sucks... The Audio Note made by Jensen are a good sounding but I have experienced total failures in the silver ones. The Jupiters would be much better and safer.
Teflon is a great dielectric for cables, just not for capacitors."

Wheras Mikhail is on the 'negative side of neutral' about the said Jupiters, considering them overly warm, but not detail-compromising.
post #23 of 25
Have you contacted anyone at Singlepower to see what results they got with different caps? Also, why are you planning on modding an amp you don't yet possess? How can you know it NEEDS mods?
post #24 of 25
Here's another link regarding coupling capacitor opinion:

here

Note that one of the lesser known exotics didn't prove to be too reliable.
post #25 of 25

Hi

 

I tried these mylar silver foil capacitors, and among all capacitors I used, they are by far the best.

 

I tried :

Old Jensen Copper and Silver foils Jensen capacitors. I liked them, but silver ones had fiability problems. Nice oldy sound.

 

Mundorf, silver/oil silver/gold and silver/oil/gold. Total fiability, even on a + 450V power supply.

the silver oil has something little magic, but on a bright side.

silver/gold : more "solid" sound, with a "monitoring" style. Anti-romantic sound

silver/gold/oil : same as silver/gold with a little touch of romantism. Nice.

 

V-Cap teflon&tin foil : seems very dynamic. Perfect treble.

 

AudioNote mylar tin foil : same league as mundorf silver/oil with more neutrality, and a little less treble.

AudioNote mylar copper foil : very good transparency, much better than paper in oil/copper foil capacitors, with very good feeling of colours and density. And in fact globally considerably better than V-Cap teflon tin foil, except for the extreme frequencies which seems a little more granulous. In comparison, V-Cap tends to mask reverberation, and dries the sound.

AudioNote mylar silver foil : For my ears, I have all that I want. Dynamics over all the frequency range, specially on extremes, colours, density, the least reverberation appears easily whatever its particular color, and a very little touch of magic. That seems to be the perfection.

 

It remains to me to test the V-Cap teflon/copper foil. But I have doubts because it seems to me that teflon always adds a little hardness to the sound. But nothing replace a real test.

 

I want also to test Intertechnik True Coppers.

 

And perhaps Duelunds in spite of the price.

 

 

yannig

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