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Jim, VE7RF, that is a boatload of FB info!!! I had not had a chance to respond but have read it twice and may need to read it a few more times and drill it in. Thank you!!! Great contribution to me

Is there a way to remove the red tx led without taking off the front panel?? I cannot see in the back because of the large filter caps.? TU ..Bill

Tom is great. Just email him again

Yeah. Weird. It printed out fine here. "Email me at gudguyham@.... Lou" Alek VK6APK

Ok, thanks. I just emailed you Lou

Whoops @aol.com. Sorry Sent from the all new AOL app for iOS

Come to think of it... if your ISP won't display A O L dot com, then it may not even allow you to e-mail to A O L dot com. -- See my QRZ.com page at *https://www.qrz.com/db/K0XP*

"That" was supposed to be "at A O L dot com" without the spaces. Your ISP probly doesn't like the A O L part and removed it. Steve K0XP -- See my QRZ.com page at *https://www.qrz.com/db/K0XP*

gudguyham@.... Lou. what is that??? ? Not an email?

Email me at gudguyham@.... Lou Sent from the all new AOL app for iOS

Plate load Z? =? loaded B+ / (1.8 x? DC plate current). On all those old amps, the higher voltage was always 41.4 % higher than the lower B+ setting.? ?The DC plate current was 41.4%? higher,

Hello Lawrence. I understand your "old-school" project. My Radio Amateur's Handbook, the only one I have, is from 1965. I bought it in London when I was a kid. It really inspired me. You don't

Francois,Yes, the 3B28's and a resonant choke filter makes things complicated.? The HV power supplies as far back as the '66 Handbook use silicon diodes in a voltage doubler, capacitor input filter,

I think I want to mount an ?LED strip right across the top of the meters and wire it to the 12V rail on the meter board and ground. But what I really would like to do is run 2 LED strips, 1 red and 1

On my SB-220, I have a standby switch and I have the plate meter lamp turned off in standby and turns back on in operate. I wonder if there is a ways to put 2 sets of strips, 1 green and one red. Have

Lou, can you email me. I’m interested in one of those boards for a future fun project. My Email is good on QRZ. I’ll also try and see if I can private message you here. Not sure how that works but

Yes I still have a couple 2500 power supplies. Sent from the all new AOL app for iOS

Thank you Bill Sent from the all new AOL app for iOS

What he's missing in his head is the fact that power out does double as the plate voltage increases only by 1.414 while the plate resistance stays the same. This used to flummox me, too... then one