Introduction to "Valvalyzer" a Windows workstation vacuum tube and stage simulation software package written by Jim Reese from AmpCad.com

@kevinkr, First, there are no hidden areas in the 1080p presentation. What is so interesting is that when I set my monitor to 1080p resolution, I see a pristine layout from my software's graphic rendering. I want to thank you for sending me screenshots of your laptop, because I can visually compare your view with mine. And what I see is that your laptop display has really big differences from mine. Mainly I see a horizontal distortion of scale that affects text size and positioning. So in my cleaning process I try to spread out the width of controls that contain text but it seems to be an endless battle. Weird. I assume your horizontal resolution is 1920.

Next, I was able to reproduce your discrepancy using the Stage Map. I spent all morning debugging and verifying proper screen annotation.

And to the subject of Single Ended power stage simulation, I am on it. Of course this is the sort of thing that I live for; another major software triumph. This will have me in the zone for several days to come.

Now I want to say something about @Citizen124032' post. I think it was mean, craven, hostile, and shallow and he even suggested I should be removed from the system. This is unacceptable. I am inclined to stop posting on diyAudio unless his account is revoked. We can continue to communicate on my app using VMail. We can't let a punk like this stink up the wonderful dialog we have been having... enjoying the brilliant insights and observations your members have shared with me. Jim Reese.
 
I can't disagree with your comments about that post, but as a participant in this thread that is my only role here. Headwinds are inevitable in public forums, but I really enjoy the opportunity as do a number of others to work with you. Please use the report button if you feel that is warranted.

Note: Yes, monitor resolution is 1920 x 1080 GPU is Intel UHD series for the laptop screen.
 
Last edited:
It's a rather disappointing vacuum dream, installation stalling (on W10), issues, issues, issues.
No results at all. Better go for the graph paper & slide rule.
Ever thought of beta-testing with siblings?
Removed from the system.
Reminds me of the Fleischmann and Pons 1986 discovery of high-temperature superconductivity.
Could be promising, but we're in the solid state era. No revolution expected.

Other members have had better results, but it is still in experimental beta, and is free.
If you don't want to participate in the adventure, then don't. :cop:
 
Downloaded Valvalyzer, ran the updater, started the app - had not a single issue.
I started from scratch i.e. uninstalled the installer 1.1 and removed the Valvalizer folder in C:/ then installed again. Same issues. Something must block the starting of the app, but can't figure out what could block it. I verified again if Frameworks 4.8.1 runtime is available and it is.
 
Correct, a SE power stage would imply a SE transformer load, which is not supported by Valvalyzer at this time because SE transformers magnetize over time and are only used in old radios and maybe really cheap guitar amplifiers. But if the demand is there, we will comply.
There is this thing called an air gap which works wonders at solving this problem.

I have de-gaussed far more P-P output transformers over the years than single ended ones. Usually they get magnetized due to being used for longer periods of times with unmatched or faulty pentodes or triodes. Degaussing them and setting them up with fresh power tubes can result in a revelation in sound restoration. Maybe I will post a thread on de-gaussing OPT's some day.

btw - Many thanks and huge support on your new application. When I find some time I will download it and try it out. I do most of my simulations with LTspice these days, but am most open to trying something new.
 
I think you can run as administrator, and there's a couple of other things you can do. Maybe that will help?
Running as administrator is one of the first things I tried, made no difference. There must be some security process active, but cannot find it and nothing shows in the security history.

I tend to believe it should run like on your laptop but it don't, unfortunately. Maybe Samsung has something to do with it, as they have also their own control panel for some Samsung settings. I checked, but no security options there.
 
@soulmerchant, Thanks for the kind word of support. As you can see, what should have been a roll-out became a big Beta test. And I thank everyone involved. For you and all Single-ended power stage lovers, please wait a couple more days before downloading or updating the next version of Valvalyzer. I am knee-deep in writing a SE transformer-loaded stage simulator in Pentode Studio. The project has highlighted the imperative to simplify and improve the accuracy of the simulation calculations elsewhere too, so much time is spent on detours through this great big beautiful labyrinth. I will post when this feature is complete.

Btw, The precursor to Valvalyzer is a program I wrote a long time ago that designed and simulated inductors and switching power supply transformers based on ferrite core. So, I became quite expert in the selection and application of gapped cores from manufacturers like EPCOS-TDK and Ferrox Cube. My question to you is then, should I give attention to gapped power output transformers? It seems like a bizarre merging of two universes, and I am currently only familiar with un-gapped ferrite core rings for power applications. Surely, I could also support un-gapped core ring in my Output and Power Supply design studios.
 
Downloaded and installed, and runs well on my AMD Ryzen 9 laptop. Much appreciated interface that directly allows linearity comparison of tubes . SE stages became affordable with the advent of good output transformers, for instance the Toroidy TTG EL84PSE would be difficult to outperform as DIY project. I wouldn't be surprised if transformer producers would be (more than) interested to have their quality products listed in Valvalyzer.
1751602881277.png