There is truly nothing like the smell of a freshly wound transformer.
Continue readingTag Archives: 807
807 Triode Investigations
In my last post, I talked about the changes I’ve made to my 807 prototype jig so that I could investigate the 400v, triode strapped, plate voltage limit. Now I’ve managed to spend some time playing with the high voltage prototype power supply and my newly modified jig. As a result, I’ve learned a surprising amount about the 807 operating as a triode.
Continue readingYup. More Testing
A comment by “Dave K” a few days ago got me thinking about how I intend to run my 807 power stage and the limitations listed on the data sheet. So it shouldn’t be a shock to anyone that I’ve decided that a little more testing is required. And that required an update of my 807 test jig.
Continue readingPrototype Data Lights the Way
I have the initial set of data with the power supply prototype using the Edcor XPWR011 power transformer. It is enlightening and clearly shows which amplifier I need to build next.
Continue readingThe Next Amp
So I’ve been thinking about my next amplifier project. And I thought I had made up my mind. Then things changed… again.
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