:All the plastic top models (10, G, F, PC) have a copper
:plated layer, it
:allows the top to conduct or act as an electrical "shield" around the
:circuit.
I'll change the description of the OM-40/PC in the e-SIF because it doesn't
seem to be accurate. I got the info about the brass bottom and top from the
list, but of cource John should know since he must have dismembered many of
them.
I still wonder why the OM-40/PC is 30g. heavier (460g. vs. 430g.) than the
OM-10_20_30_F_G
Isn't there some mechanical improvement?
hnz
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