On 12/16/2011 12:21 PM, Andy Talbot wrote:
I've just read the review of the welbrook Loop in the latest RadCom,
and wondering if anyone here knows the preamp configuration.
That seems tp be one
of the best kept secret in this world...
many tried, unsuccessfully,
to reverse engineer that preamplifier... it is potted in a very hard
resin, and, as far as I
know, up to now nobody succeeded to reveal its schematic.
Something that is claimed to work at the same level of quality is
this :
http://wl1030.pa3ang.nl/content/
I bought some time ago the components to build it, but haven't find
yet the time to do it.
73 Alberto I2PHD
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