Orgy of Capacitors: The Cap Thread

[rafabro]

What about using (small) bypass filmcaps parallel to electrolytic capacitors instead of more expensive films caps of higher values (100 uF)?
https://www.head-fi.org/threads/orgy-of-capacitors-the-cap-thread.284863/post-18562078

It's just another option when space is limited. Definitely worth to try.

I suggest Vishay 1837 0.1uF

 

[Vhond]

It's just another option when space is limited. Definitely worth to try.

I suggest Vishay 1837 0.1uF

What about https://www.hificollective.co.uk/catalog/001-0200-0-1uF-400v-jantzen-cross-cap.html

 

[rafabro]

What about https://www.hificollective.co.uk/catalog/001-0200-0-1uF-400v-jantzen-cross-cap.html

I don't value Cross Cap's at all. It's a poor dry sounding cap. Like most of the Jantzen caps.

Auricap XO, Mundorf EVO Oil. Jupiter. But gets pricey.
I would use Vishay for bypassing electrolytes.

 

[Vhond]

I don't value Cross Cap's at all. It's a poor dry sounding cap. Like most of the Jantzen caps.

Auricap XO, Mundorf EVO Oil. Jupiter. But gets pricey.
I would use Vishay for bypassing electrolytes.

Allright thanks for the description of the sound signature. What electrolytes would you use as replacement? I was thinking about https://www.hificollective.co.uk/ca...-100vdc-mundorf-ecap-electrolytic-p-4007.html (they have to be bipolar).

 

[rafabro]

Is it still about Bryston preamp? Is it for in signal patch cap or power decouple?

The above ecap's are mostly used in speakers crossovers. I never test them in signal patch.
AN Kaisei non polar are one of good ones for sure. https://www.hificollective.co.uk/catalog/-c-61_68_462.html

There is not many bipolar electrolytes on the market. What capacity you need?

 

[Vhond]

Is it still about Bryston preamp? Is it for in signal patch cap or power decouple?

The above ecap's are mostly used in speakers crossovers. I never test them in signal patch.
AN Kaisei non polar are one of good ones for sure. https://www.hificollective.co.uk/catalog/-c-61_68_462.html

There is not many bipolar electrolytes on the market. What capacity you need?

These are 100 µF capacitors in the signal path as a high-pass filter and also used as coupling capacitors. Part of the Bryston BP25 scheme:

 

[rafabro]

Another option is Jupiter Cosmos

 

[Diet Kokaine]

It's just another option when space is limited. Definitely worth to try.

I suggest Vishay 1837 0.1uF

The .01 are perfect for DAP capacitor bypasses. Amazing how much these little things can clean up the sound.

 

[Vhond]

Another option is Jupiter Cosmos

that's not possible (are polar instead of Bipolar)...

Diet Kokaine​

The .01 are perfect for DAP capacitor bypasses. Amazing how much these little things can clean up the sound.

Cornell Dubilier 940C is more appreciated I read on multiple fora but 0,01 uF instead of 0,1 uF

 

[kingoftown1]

@Vhond I like the 940c too, but I think it'd be tough job to fit them into something as tiny as a DAP. For other use cases though, definitely.

 

[Vhond]

@Vhond I like the 940c too, but I think it'd be tough job to fit them into something as tiny as a DAP. For other use cases though, definitely.

Sorry what is a DAP, can you please tell me?
It will be soldered on a PCB of a pre amplifier (Bryston BP25)

 

[rafabro]

that's not possible (are polar instead of Bipolar)...

Technically bipolar capacitors are (internally) made of two polar capacitors.
So you could get two polars (100uF both), join them like that -++- (positive+ connected together) and you will get non polar 100uF capacitor. Any electrolytic capacitor.

 

[Diet Kokaine]

@Vhond I like the 940c too, but I think it'd be tough job to fit them into something as tiny as a DAP. For other use cases though, definitely.

Sony WM1A all caps double bypassed (kemet polymers and audionote kaesei, Vishay MKP 1837 .01 ). Front and back.

 

[2leftears]

Technically bipolar capacitors are (internally) made of two polar capacitors.
So you could get two polars (100uF both), join them like that -++- (positive+ connected together) and you will get non polar 100uF capacitor. Any electrolytic capacitor.

Almost. When you put two 100uF capacitors in series, you get half the capacitance, i.e. 50uF.
When you put capacitors in parallel the capacitances add up.

(So just the opposite of the way you calculate the total resistance of resistors placed either in parallel or in series.)

 

[rafabro]

Of course, my mistake. It should be 200uF both (or 220uF)