[AMPS] 3-500Z - Where to buy them?
Fri, 18 Dec 1998 11:33:44 -0800
Bob - K8NY wrote -
>Just received my used SB221 with one destroyed Eimac 3-550Z (damaged in
>shipping). Looking for the best place to buy one (or two?)? Any help
>would be appreciated. (Does not have to be Eimac)........
€ RF Parts reportedly sells a Mu=130 3-500Z which is a close match for
an Eimac .
- Last week, I received a report that the company which bought the
rights to Eimac's glass tubes, may be gearing up to produce the 3-500Z.
However, a sample reportedly failed within a month due to the same
anode-cooler-spotweld problem that Eimac had at its Salt Lake City plant:
. Namely, the anode-cooler broke loose and shorted against the
(grounded) grid because the spotwelds tended to break.. . . . As I
learned in Sheetmetal 101, strong spotwelds are not pretty. To get a
stong spotweld, it takes enough kA of current to Thoroughly melt the
metal, which necessarily means that strong spotwelds need to be
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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