The project page for the Source Selection Preamp (previously known as the Source Selection Unit) is now posted.
As always, comments and questions are more than welcome.
Source Selection Preamp
1
Many Delays
I’ve been pretty busy for the last month. But things are starting to move forward again. I’m still working on the project page for the Source Selector Unit and something new as well.
Continue readingIt’s Truly Amazing
It really is amazing how much I can accomplish when suddenly I can’t work on all the projects which have been keeping me busy for the last month. The SSU assembly is complete and I’ve done some testing.
Continue readingAn Opportunity
As it turns out, there is a crew working on painting the exterior of my house today. Since I can’t work on many of my outdoor projects around the house, I thought I’d take the opportunity to get a little done on the source selector unit.
Continue readingJust a Quick Note
No, I haven’t fallen off the face of the Earth. And I realize that people are waiting for the completion of the Source Selector Unit. I just got unexpectedly busy.
Continue readingSSU DC Checks Complete
It took a while but the DC checkout is complete and I’m finally ready to finish assembly on the Source Selector Unit.
Continue readingNo More Delay on the Source Selector Unit
The resistors for which I’ve been waiting showed up this afternoon. Time to get back to work on the Source Selector Unit.
Continue readingDon’t Do it!
We’ve all done it or at least thought about it. It’s so easy. It’s really no big deal. It feels good. No one will ever know. Well, I’m here to tell you that eventually, you’ll regret it.
Continue readingThe Internet is a Numbers Game
I think that most people understand that the internet is a low engagement medium. The vast majority of those browsing the internet are data consumers not contributors. But I don’t think most people really have any idea of the scale upon which this is true.
Continue readingSmall Delay to the Source Selector Unit
As I said before, I decided perform the DC testing of the tube assembly for the source Selector Unit in the clamping fixture. But just as I started testing, I ran into a little problem.
Continue readingCompleted Tube Assembly
I got some time today to finish out the vacuum tube assembly of the source selector unit.
Continue readingFixing a Mistake
So last night I posted about a mistake I made in wiring the latest project. And because of when and where I made that mistake, it took all afternoon to correct it.
Continue readingI Can’t Believe…
I can’t believe I did that! How could I have been so thick headed to make this kind of mistake?
Continue readingSignal Sections Fully Wired
Yesterday I was bottling mead but today I got a chance to wire up the buffers and tie in the coupling capacitors. This completes installation of all the signal chain components. All that’s left on the assembly is the final power supply wiring.
Continue readingTube Wiring Progress
Between regular chores, gardening, and yard work today I managed to steal a little time to make some progress on the latest project. The gain stages for the source selector unit are essentially complete and I’ll begin working on the buffers as soon as I can.
Continue reading