DC Blocker GB closing soon

[stevec67]

Excuse my ignorance, is DC on the mains such a big problem or something that depends where you live ? I mentioned it to my soldering sparky engineer mate and he says it is negligible here in the Canaries ( 4 decimal percentage) and that anyway if there is a transformer at the input it will effectively "block by ignoring" everything that is not AC. I have only 2 toroidals in my system but quite hefty ( Norton Air Power for my LP12 and the one in my Sugden A21Se) , the rest are R-cores or ad-hoc potted rectangulars for my phono stage. Worth a shot ?

If you have it, you will know. I had a humming power amp, sold it, new owner never had a problem. It's more correctly termed "DC offset" and I can bore you with the details of why it makes trafos hum, but it's not very interesting nless you are science-minded. If you have no humming trafos (a physical hum, not audio) then it may help.If not, waste of time and money.

 

[Joe]

Don't seem to be able to register

Perhaps the clue to that is in the title of the thread?

That and the date of the first post .

 

[sq225917]

He'll a second if there's enough interest.

 

[YNWOAN]

You can buy then from his web shop, even ready populated with components.

 

[killie99]

Here's mine, fairly simple and straighforward. I use it to power 3 linear power supplies I've built and it works a treat, no hummmmmmmm :

 

[sq225917]

Look at all those happy little diodes

 

[Mynamemynaim]

Don't suppose anyone has a spare board they aren't going to use??
Looking to build one !

 

[Mynamemynaim]

??
Anyone bought too many??

 

[misterdog]

??
Anyone bought too many??

Try asking on the DIY Audio site.

 

[GWM]

just about to order parts to finally build this, spec calls for 600V,6A diodes, what are people actually using?

 

[sq225917]

https://www.mouser.co.uk/ProductDetail/661-ESMH160N683MA50T
https://www.mouser.co.uk/ProductDetail/625-P600J-E3

 

[GWM]

Thks

 

[misterdog]

just about to order parts to finally build this, spec calls for 600V,6A diodes, what are people actually using?

Needs a beefy soldering iron.

 

[sq225917]

Yet, 50 watt and a big tip. Low temp solder, not silver and flux.

 

[GWM]

I have a nice big reel of old style non PC solder that melts easily so no problem.

 

[Ian M]

Here's mine, fairly simple and straighforward. I use it to power 3 linear power supplies I've built and it works a treat, no hummmmmmmm :

Can you tell me where this box is from and the model or size please.

 

[sq225917]

At a guess. Modushop, galaxy, 2u probably, 210 x 170mm

https://www.modushop.biz/site/index.php?route=product/product&path=67_194_117&product_id=528

 

[chrisn]

I used this enclosure:-
https://uk.rs-online.com/web/p/gene...D382D32324226&searchHistory={"enabled":false}
Nice, cheaper but less space:-
https://www.dropbox.com/home/Electronics/DCblocker?preview=DCblocker1.JPG

 

[killie99]

At a guess. Modushop, galaxy, 2u probably, 210 x 170mm

https://www.modushop.biz/site/index.php?route=product/product&path=67_194_117&product_id=528

Correct!

 

[Ian M]

At a guess. Modushop, galaxy, 2u probably, 210 x 170mm

https://www.modushop.biz/site/index.php?route=product/product&path=67_194_117&product_id=528

I used this enclosure:-
https://uk.rs-online.com/web/p/general-purpose-enclosures/8237398/?relevancy-data=636F3D3126696E3D4931384E53656172636847656E65726963266C753D656E266D6D3D6D61746368616C6C7061727469616C26706D3D5E5B5C707B4C7D5C707B4E647D2D2C2F255C2E5D2B2426706F3D31333326736E3D592673723D2673743D4B4559574F52445F53494E474C455F414C5048415F4E554D455249432673633D592677633D4E4F4E45267573743D545731312D382D323242267374613D545731312D382D32324226&searchHistory={"enabled":false}
Nice, cheaper but less space:-
https://www.dropbox.com/home/Electronics/DCblocker?preview=DCblocker1.JPG

Thanks.