That’s EB63 alpha.
If you order the parts to build an EB63 140W amp from CCI, you’ll actually receive the parts to build an EB63A. No mention of the A version is on their website. The bulletin available as your guide is for the original EB63.
In short, they offer docs for the old version and sell you the new one. A “WTH?” phone call and follow-up email to CCI got me the new documentation entitled “Construction Hints For The EB63A” which you can download from here. But check out the old version too, for comparison – here it is.
If I can find the time, I ought to have this pup whipped together in the next week or so – I’ve got to procure a heatsink first. Then hook it up to the spectrum analyzer for some jpegs of its (and my filter’s) purity. And speaking of filters, my package from W8DIZ with T50-2 and T68-2 torroids arrived in the mail today.
Now to find an appropriate heatsink/housing…..