Kaiju Capacitor Upgrade

hpleung · 2009

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Offline hpleung

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on: September 15, 2022, 01:23:13 PM
Hi,

Can I get some suggestion if I were to upgrade the capacitors, which one should I upgrade and any capacitor recommendation.

Thanks.


Offline hpleung

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Reply #1 on: October 18, 2022, 09:34:19 AM
Here is my plan to upgrade the capacitors on the Kaiju. Can I please get a review and tell me if this will not work?


1. Replace  "0.1 uF 630V metalized polypropylene" with "0.1uf 1000vdc Mundorf Supreme SilverGoldOil "
2. Replace "10uF 630V Metallized Polypropylene" with "10uf 800vdc Mcap Supreme EVO Oil Black"
3. Replace "100uF 250V (Blue) - axial electrolytic Capacitor" with "Mundorf 100uf 350vdc Mcap EVO Oil"

The voltage is not the same but I understand I can use a capacitor with a high voltage.

Also, i read in a thread where PB glued the Capacitor to secure it. What is the glue type called?

Thanks.


Offline Paul Birkeland

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Reply #2 on: October 18, 2022, 12:43:59 PM
Those should all work fine.  Permatex ultra black is usually what I use for this purpose.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline hpleung

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Reply #3 on: November 05, 2022, 05:57:17 AM
So I am about to change the "100uF 250V (Blue) - axial electrolytic Capacitor" with "Mundorf 100uf 350vdc Mcap EVO Oil"

It seems the original capacitor is directional according to the step in the manual

==>"Attach the lead that the arrows point to of a 100μF 250V axial electrolytic capacitor to 33U."

The new capacitor does not seem to be directional.

Did i get the right capacitor? I will attach a picture shortly.
« Last Edit: November 05, 2022, 05:59:14 AM by hpleung »


Offline Paul Birkeland

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Reply #4 on: November 05, 2022, 05:59:42 AM
Correct, the new capacitor is not directional.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline hpleung

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Reply #5 on: November 05, 2022, 06:58:12 AM
Thank you but sorry for the additional newbie question...but can i proceed with this replacement?

i.e. Can I replace a directional capacitor with a non-directional capacitor?


Offline Paul Birkeland

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Reply #6 on: November 05, 2022, 07:44:10 AM
Yes, you just need to install it in place of the old one.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline hpleung

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Reply #7 on: November 06, 2022, 02:50:02 PM
Thank you. I have changed all the stated caps except the 100f. Too big. I won’t use it on this amp.

Everything sounds great. I did not do any tuning. Do i need to retune anything? I notice the tubes are a bit brighter; not sure if i am imagining.

Sound wise; it is perfect.



Offline Paul Birkeland

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Reply #8 on: November 07, 2022, 04:02:39 AM
Nope, there aren't any adjustments that need to be made when caps are swapped out.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline hpleung

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Reply #9 on: November 07, 2022, 08:42:25 AM
Great. Thanks.


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