In article .com,
" wrote:

John:

As I remember, you isolated the input and the output from the mains
power via appropriate transformers. Why would I think this is
dangerous?

Well for one it might be dangerous if the transformers aren't as you say
"appropriate". That is my one misgiving, that the input transformer
really isn't designed for this job. But this was a junk box effort, which
was good enough satisfy me and to prove that "Danger Dave" didn't know
what he was talking about when he made his original statement that this
sort of amplifier couldn't be built without serious hum. The hum was
better than 80 dB below 1 Watt out, which is better than a good number of
commercial tube amplifiers with power transformers.

But that was not where I was going in my previous post, what I was
wondering about was if you were around "rec.audio.tubes" at the time of
the "Power Amplifier Without Power Transformer" flame wars? I hadn't
checked Google before posting and now that I have checked I am not sure
what to make of the results. It appears that you made a number of posts
to "rec.audio.tubes" in late 1997 and early 1998, but none after March
1998, so it is not clear if you weren't following the group at the time,
or if you were reading but not posting to the group?

Regards,

John Byrns


Surf my web pages at, http://users.rcn.com/jbyrns/