How about a GroupDIY bench power supply?

[thermionic]

This piece of crap puts out :

You ever thought of becoming a salesman CJ? I wish they had estate agents with your attitude :green:

Hey Sysmofyt, 441 posts, you're drifting out of tune

J

 

[sismofyt]

I know, my girlfriend keeps naggin' me about something called, 'relationship', 'love', & 'sex. Ain't got time for that :green:

Seriously, it seems I got a job now so no more time for DIY

I'd rather buy a house from CJ than from a real estate agent. Those ******** belong up there with insurance salespeople and recordlabel executives/A&R idiotz...

 

[Consul]

Eh, I guess I'll figure something out. You're right, eBay is full of a variety of bench supplies.

 

[Kev]

.... funny I had some new PCBs all tested and ready to go. Just needed to write the web page. It wasn't for high voltage tube power as that was going to be the follow up page. They will keep.

Generally I still like batteries for that first test. Fully floating clean DC power. http://recording.org/users/kev/PS.htm

These days you can find some bargains in the way of switch mode style variabe supplies. Could be good as a basic all rounder ... if you don't have time to make. Most hobby shops have these Chinese built things. Very cheap.

 

[BYacey]

Here is a good variable supply for HV tube circuits:
http://img56.photobucket.com/albums/v172/gyraf/Ps-501a.gif

Thanks to Jakob Erland for posting the schematic at his site.
Bill

 

[NewYorkDave]

Heathkit used a virtually identical circuit in one of their bench supplies as well.

 

[NewYorkDave]

Ah, here it is: The Heathkit IM-32
http://electronicdave.myhosting.net/miscimages/IP32_2.GIF

I have one of these. It's not as beefy, output-wise, as my big old Lambda supply, but it's a hell of a lot more portable.