So far as I am aware, there are only two 'versions' of the AC-4. One
has a 120/240 AC switch capability, the other does not. There are a
couple of capacitor value changes, but the basic supply is the same.
There are also at least two versions of the AC-3 supply, one with a
choke in the LV filter and one with a resistor.
What is 'non-standard' about your AC-4??
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line
and TR-4/C Service Supplement CDs
<www.k4oah.com>
TC Dailey wrote:
Speaking of the AC-4 - Anybody used one of the "upgrade" boards on a
NON STANDARD AC-4?
Story I get is that there are different versions of them, and the
"inventor" refuses to supply adequate information on the various
versions - I got the thing in, but it was no Heathkit - rather an
"invent it as you go" sort of thing.
Tom - Denver
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