Where to buy capacitors?

HoboMan

Gold Supporting Member
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17,473
I want to do a mod on my amp and I'm looking for a couple of capacitors.
I'm new to this amp mod stuff and I want to get the EXACT capacitors in the pictures below.

This is the mod I'm going to do: "There is a .0022uf capacitor in the area of V2. Change it to a .001".




 

jviss

Member
Messages
175
I will look to see if I have one. If you only need one, perhaps I or someone else here can just put it in the mail for you. Otherwise, I would look at eBay for cheap, free-shipping alternatives from China. Or, if there's a Radio Shack still open anywhere near you, they might have it.
 

HoboMan

Gold Supporting Member
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17,473
I will look to see if I have one. If you only need one, perhaps I or someone else here can just put it in the mail for you. Otherwise, I would look at eBay for cheap, free-shipping alternatives from China. Or, if there's a Radio Shack still open anywhere near you, they might have it.
Thanks.

I tried to find these on the internet but got confused by the different values. I see lots of capacitors available but I want to make sure I'm using the correct one.

I mainly need the one in the top pic to do the mod but I'd like to get a few of each for future.

I see some here but not sure which one to get: https://www.amplifiedparts.com/products/capacitors
 
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gldtp99

Member
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3,829
The are many vendors that sell .001uF Ceramic Disc caps rated at least 1kV------ here's one supplier I use sometimes:

http://www.ebay.com/itm/001uF-3000V...-Voltage-25-/381034611020?hash=item58b76ec14c

I'm sure Mouser will have both values----- here's a .002uF/1kV:

http://www.mouser.com/ProductDetail/Vishay-BC-Components/S223M75Z5UN83J0R/?qs=sGAEpiMZZMuMW9TJLBQkXmpZ6sD/ivjpbS7RgX4G27Q=

Here's a .001uF (or 1000pF) 1kV Ceramic Disc from Mouser:

http://www.mouser.com/ProductDetail...=sGAEpiMZZMt1mVBmZSXTPC7npHXLeWBninknfa/DQM8=
 
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Jeff Gehring

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6,209
If that's the sum total of the mod, I'm not sure I could detect a difference before and after... a 1nF change. But I expect there's more to the story.
 

HoboMan

Gold Supporting Member
Messages
17,473
The are many vendors that sell .001uF Ceramic Disc caps rated at least 1kV------ here's one supplier I use sometimes:

http://www.ebay.com/itm/001uF-3000V...-Voltage-25-/381034611020?hash=item58b76ec14c

I'm sure Mouser will have both values----- here's a .002uF/1kV:

http://www.mouser.com/ProductDetail/Vishay-BC-Components/S223M75Z5UN83J0R/?qs=sGAEpiMZZMuMW9TJLBQkXmpZ6sD/ivjpbS7RgX4G27Q=

Here's a .001uF (or 1000pF) 1kV Ceramic Disc from Mouser:

http://www.mouser.com/ProductDetail/Vishay-BC-Components/S102K29X5FN63L6R/?qs=sGAEpiMZZMt1mVBmZSXTPC7npHXLeWBninknfa/DQM8=
Thanks.
So that bottom link will match exactly what I'm looking for?
 

HoboMan

Gold Supporting Member
Messages
17,473
If that's the sum total of the mod, I'm not sure I could detect a difference before and after... a 1nF change. But I expect there's more to the story.
That is the total sum of the mod and the difference is huge. It's for a Budda SuperDrive amp. It makes it much brighter and changes the tone from having more emphasis on lower mids to upper mids.
 

makerdp

Member
Messages
530
Is there a reason you want them to be ceramic disc capacitors? This type of capacitor is prone to noise, microphonics, etc and are typically avoided at all costs.

If you go to www.tubesandmore.com you can find MUCH higher quality capacitors, such as Mallory 150's or Orange Drops that will give you much better and more predictable performance. Get the ones that handle at least 600V and you will be OK.
 

neteraser

Member
Messages
1,995
Looked up that ebay seller. $0.5 for such a capacitor, that's way too much! It costs less than $0.05
 

TEPR

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2,006
Shipping costs may be many many times more than the cost of those cheap caps. Ebay could be cheaper overall due to cheap postal shipping.

I agree that for tone caps, try orange drops or Mallorys, though.

If you plan to continue with amp tweaking at the hobby level, Mouser and Amplifiedparts are great go-tos!
 

jviss

Member
Messages
175
O.K., I have 3 in stock, I'll happily put one in the mail to you: .001µF, 1kV. I have some physically smaller ones I'll throw in, too, not sure of the voltage rating. PM me your address and I'll post them tomorrow.
 

neteraser

Member
Messages
1,995
True, but can he find another seller whose total price (including shipping) is lower?
Good point. I don't know =) In Russia big cities have at least one radio-market where you can usually find what you need. Not great quality though, something that goes into Fender Reissues - that level. Just telling.
 

Blue Strat

Member
Messages
30,183
Good point. I don't know =) In Russia big cities have at least one radio-market where you can usually find what you need. Not great quality though, something that goes into Fender Reissues - that level. Just telling.
I remember when that was common in the US too. Not so much today, however. Most items like this are bought online.
 

TEPR

Member
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2,006
In the US, we had a chain store called Radio Shack that put nearly all of the independent local stores out of business, then attempted to sell cheap cell phones, and then went out of business themselves.

In 2016, Americans call that "disruption" and think it's a good thing.

In Russia big cities have at least one radio-market where you can usually find what you need.
 

neteraser

Member
Messages
1,995
I remember when that was common in the US too. Not so much today, however. Most items like this are bought online.
Online is better. No need to go anywhere (you can do that only a limited number of times before you get tired, so if you're building something, online is some help, taking into account that the delivery in the US works very good). And probably easier for the sellers too.

In 2016, Americans call that "disruption" and think it's a good thing.
Had to look up my vocabulary. Ok, I understand. But why do you think it's a good thing?? Where's the logic here?
 

HoboMan

Gold Supporting Member
Messages
17,473
O.K., I have 3 in stock, I'll happily put one in the mail to you: .001µF, 1kV. I have some physically smaller ones I'll throw in, too, not sure of the voltage rating. PM me your address and I'll post them tomorrow.
Much Appreciated!
 

Tone_Terrific

Silver Supporting Member
Messages
33,061
For future reference try to find a local electronics store and go to take a look around.
Spend a couple of bucks and get a 500k pot, 100k, 500k, 1meg resistors, 680pf, .001, .022 and .047 cap and a 1/4 inch jack.
There are millions of electronic components and finding the exact replacement for some things is a time-consuming nuisance.
 




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