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In Reply to: RE: REVIEW: PSVANE WE845 Tubes posted by thetubeguy1954 on March 13, 2014 at 12:21:49
Just a few historical corrections:
the 284 was WE's version of the 845. Like most early ones in that size, they were rated at 50-75W dissipation but later went to 100w, like the 845.
the 284A was a metal plate tube, as was at least some of the 284D production. the 284B (and some 284D) had graphite plates. One version of the B had a top-cap, I believe. I don't think there was a 284C. None had the pipped-top bulb, although that was present on the earliest versions of RCA's metal-plate UV-845. So, they are really going just on style for that piece of the design. From the looks of it, these psvane tubes are based on the later design WE 284D graphite plate tube, in terms of the structure and support.
I have at least 3 original NOS WE 284A and D tubes, but haven't used them so can't comment sound-wise, however they are basically the only metal-plate vintage 845 (along with the RCA UV-845).
Thanks for the review,
-Ed
Follow Ups:
just to make the comparison with some of your NOS supply! ;-)
Don't you have some NOS too? How did your project ever work out? Long time no talk but I recall you were working on an 845 amp at one point...
I wouldn't mind comparing the PSvanes at some point but probably won't throw down for a pair anytime soon. But they do look very attractive in the photos.
-Ed
Full sets of Tribute Iron, just about everything except the one thing I can't build at this point, the chassis.
Two, in fact, each capable of holding 100 lbs of parts! :-(
And now back is our tiny house in San Francisco so there is no place to do any work.
Best to follow the obits in the SF Newspapers because someone is gonna clean up when the 'widow Ivan303' cleans out the storage room!
Replied directly... ;-)
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