28 May
2010
28 May
'10
9:14 p.m.
On 2010-05-28, at 11:39 AM, Ralf Mardorf wrote:
Niels Mayer wrote:
The times I have measured the power line frequency to check it's effect or otherwise,
I have not measured it as exactly 50.0hz (when I lived in the UK).
Vrnc
If the "close" has to do with induced
or actual 50hz hum, perhaps
frequency-doubled via rectification:
It's the residual ripple for the DC that comes with 100 Hz. 50 Hz hum is
'send' by the transformer and could be heard as additive analog audio signal,
because of the 'electric smog'.