Rick Westerman wrote:
It was the 70's and the mobile amp was (as I recall) the HA-14
using 2x 572B's.
The problem with the SB230, apart from the tube being highly
poisenous, is simply the cost of a new tube and the extreme
difficulty of locating one anyway. Otherewise it was a good amp.
73
Rick
Berylium Oxide thermal coupler is not a danger. It's the dust created if you
try to machine it or crush it. This material is common in high power LASERs
and some power semiconductors.
y
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