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Hi all No problems in my case. After uninstalling build 74 and manually deleting the various "rectifiers" folders,?I installed the new build 76. From first startup it works as it should without any

Hi Duncan That has fixed it After the install it pops up with the same error message on first startup, but on second startup all is good and the new build is working fine. Many thanks Simon

Hi PSUD users, I've uploaded a video to Youtube which explains how to work out the parameters for solid state and vacuum tube rectifiers. The link is

I've carried out some changes to PSUD2 to fix issues with non-admin user installs, thanks for the input. Instead of the installer trying to put example and rectifier files in the user's application

Hi Hans, Thanks for the tip.? I'll do an install with an additional normal user and see what changes need to be made to the documentation and/or installer, Regards, Duncan

Hi all Recently I installed version 2.20 build 74, which surprisingly was made simultaneously at the 4 users on my PC. My PSUD2 installation didn't work on the 3 ordinary users and gave exactly the

Hi Simon, Back in 1999 when I wrote this, all of the rectifiers and examples were stored in the program folder which is the wrong place. As Windows security has tightened up, it was necessary to move

Hi Duncan I just downloaded and installed this build 75 and on startup I get an error: Rectifier not found in TXMLRectList::RectObject(). Press OK to ignore and risk data corruption. Press Abort to

Hi Richard, The curve isn't linear, but that's not even the worst part of the problem. As the choke core magnetises, there is some residual field which results in a different curve as the current is

Thanks Duncan.?? Firstly I was merely pointing out the apparent contradiction on your Web pages, which you might want to correct.? And I wasn't sure if I was just not looking in the right place

Hi Richard, It would certainly be possible to put something in, however making it suitable for public consumption would be a whole different story. Putting in a series of parameters to show the

Hello Duncan (and everyone else), great tool this PSUD2 - I have been using it for years.? ?Thanks for making it free! I have a query about swinging chokes.? ?One of the webpages (I think its

Hi, Paid assignments is not something I get involved in, however you might want to put a post somewhere like DIY Audio Forum as it has a large audience who might be able to advise. Good luck with

Duncan that's great. I will get back to you on types. BTW do you have a pay-channel for your time and expertise and/or do you know of anyone who does the sort of design for monobloc PSU given a bunch

Let me know what the rectifier model is and I'll try and work out some parameters, and explain how I got to them. The CLC can ring to give high voltages, LC can spike quite badly, either of these can

Duncan, Hi and thanks. My unfamiliarity with my new MacBook has been overcome with your assistance. PSUD2 (build 75) runs. Hurray! However, I cannot yet achieve usable results. Mathematics is not my

Hi, I've had a chance to look at this on the Mac, and have upgraded to latest Catalina. The first time you try to run PSUD2, it will ask for access to the Documents folder. It needs this access to

OK thanks for getting back so quickly, to be honest it was a bit of a shot in the dark. I haven't used the Mac for a few months, so will get it upgraded on Saturday to the latest OS and try again -

Duncan, Hi Although it probably doesn't take the issues any further I can confirm this is a bog-standard 2019 MacBook Pro and certainly not company property! As for "customization" I have the usual

Hi, The first time PSUD runs, it attempts to copy the set of standard rectifiers and example PSUs from the .DMG file to the documents area (it's correct practice on the Mac to store things