On 11/20/2024 10:54 AM, jim.thom jim.thom@telus.net wrote:
Is this for the BTI with the 2 x 8877's ??
...... and
Is your 6 kva xfmr internal to the BTI....
Who is BTI, pray?? The only one I know of is Brad Thompson Industries
who made the LK-2000 amps back in the '60s with the 3-1000Z, long before
8877s were invented. (And a 6 kVA XFMR wouldn't do you much more good in
a BTI LK-2000 of any version!)
Granted: original Brad Thompson XFMRs did often arc from the secondary
to the frame, but that's not what this guy's failure was, he says...
Come to think of it, PRIMARY to frame, his failure mode, seems kinda an
unusual failure for a XFMR unless it got hit by a lightning stroke,
anyhow. Secondary - to - primary, sure; my BTI did that. I had nothing
to lose by trying, and was able to "fix" it by cleaning up the soot then
coated the wires in the vicinity with varnish. I bought an almost-new
Henry 2K4A a few years ago whose XFMR had arced from the secondary to
the frame due to condensation caused by an AC vent blowing directly on
the amp. Wound up having to get a replacement from Dahl; and since this
was in the middle of the 'Vid hullabaloo, it took four-plus months
before they were able to ship.
TNX,
Steve, K0XP
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